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Flooring in Cardiff

Oak and vinyl for terraced streets

What Cardiff homes ask of a floor: rain and grit at the door, terraced streets, boards over ventilated voids, shared houses, lets and newer homes.

Delivered to Cardiff: 8 postcode districts

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Cardiff 37.0Median of 151 towns 17.8Each dot is one day of the year

The town centre of Cardiff sees 37.0 days a year on which ten millimetres or more of rain fall, where the median of the 151 towns we compare is 17.8 days: 7th highest of them all.

Rain on that scale does not stay on the pavement. It comes in on shoes, coats, buggies and dogs, together with the grit of the street, and in this city the door it comes through belongs to a terraced house more often than in England and Wales as a whole. So this page starts at the threshold and works inwards: the front of a terrace, timber ground floors over ventilated voids in the older streets, shared houses near the universities and flats cut from older houses, a large rented sector, newer estates with screed floors, and winters milder than in the median town.

Read the 8 chapters on Cardiff homes See all 19 local facts

Homes in Cardiff

8 chapters on Cardiff homes and what they ask of a floor · about 4 min read

01/ 08

  • 37.0days with 10 mm of rain or more
  • 30.3%in a terraced house

Terraced streets and what the rain brings to the door

Terraced houses are home to 30.3% of Cardiff households, 40th highest of 151 towns, where England and Wales stands at 23.2%. They figure strongly in sales as well: among homes sold in 2025, terraced houses, including end-of-terrace, made up 38.2%, 31st highest of 133 towns, where England and Wales is at 27.4%.

What lands on a floor depends on what lies outside the door, and a terrace in the middle of town collects different dirt from a house set back on an estate. Add 37.0 days on which ten millimetres or more of rain fall, and the first room inside takes water too. Put your toughest surface there, with a mat deep enough to catch a stride, and let the finer finishes begin further in.

Water indoors follows the shape of the house as well. A terrace with one bathroom gets wet in a different pattern from a house with three: the single bathroom takes every shower, every day, and its floor is judged on that.

02/ 08

  • 18.4%built before 1900
  • 37.6%built before 1940

Boards over a ventilated void: Victorian and Edwardian Cardiff

Cardiff Council's adopted Local Development Plan describes a Victorian and Edwardian legacy that shows in the city centre and in the inner suburbs. The dwelling counts point the same way: 18.4% of dwellings in the built-up area were built before 1900, 32nd highest of 141 towns (England and Wales: 15.5%), and 37.6% before 1940.

Victorian terraces, Edwardian semis and 1930s houses commonly sit on the same kind of ground floor, one that no new build has: boards fixed to joists, with air moving through a void beneath them. That moving air is what keeps the timber sound, and it only moves while the airbricks in the outside walls are open. Before a new floor goes down, look at those airbricks from outside and make sure the void is dry.

These are Valuation Office Agency age bands for the whole built-up area, and they cannot tell you about your own house. Kitchens and halls in older homes were sometimes relaid on concrete, so check under a board before planning the whole ground floor.

03/ 08

Shared houses near the universities, converted flats across the city

The council's draft Replacement Local Development Plan, the deposit plan published in January 2025, notes uneven concentrations of houses in multiple occupation across the city, in particular in the wards of Cathays and Plasnewydd near the universities. Converted flats stand out as well: the share of households in a flat within a shared or converted house, or in some other converted building, is 20th highest of the 151 towns, against 4.2% across England and Wales.

A shared house wears its floors according to its layout as much as its tenants: where the kitchen sits, how many people use one bathroom, how far the street door is from the stairs. Where a house has been divided into flats, ask what lies between you and the flat below, concrete or timber joists, before picking an underlay. One covering can behave quite differently on each.

04/ 08

  • 13.5%in a detached house
  • 19.3%in a purpose-built flat

Purpose-built flats, leases and the neighbours underneath

Purpose-built blocks of flats or tenements hold 19.3% of households, a little above the England and Wales figure of 16.7%. For newly built purpose-built flats, building regulations set higher airborne and impact sound standards for the floor between them than for flats created by converting a house. The block, not only your taste, has a say in the underlay.

Of the homes sold in 2025, 20.0% were flats or maisonettes, 48th highest of 133 towns (England and Wales: 16.3%). For each of those buyers the floor-covering clause in the lease matters before any sample does.

Only 13.5% of households are in a detached house, 104th of 151 towns. Where nobody lives beneath you, a room that echoes is fixed with rugs and furniture. The underlay's impact rating is a question for flats, because it describes the noise that reaches the room below.

05/ 08

  • 24.1%rent privately
  • 17.5%rent socially

Specifying a floor for Cardiff tenants

Private renting covers 24.1% of Cardiff households, 44th highest of 151 towns (England and Wales: 20.3%), and renting from the council or a housing association another 17.5%, against 17.1%.

A landlord buys a floor for several tenancies at once, and only learns at a check-out inspection years later whether it was the right one. Leaks are the other test. A washing machine hose weeps, a shower tray overflows, and nobody mentions it straight away. If the covering itself absorbs no water, you are left with drying out; if it soaks water up, the floor has to come up and the property stands empty while it is replaced.

06/ 08

  • 10.2%built 2009 or later

Newer estates, new screeds and a draft plan for 26,400 homes

Homes finished in 2009 or later make up 10.2% of the built-up area's dwellings, below the England and Wales figure of 11.8%. The council's draft Replacement Local Development Plan, the deposit plan published in January 2025, would provide 26,400 new homes in the period 2021 to 2036.

On a newer estate the structure under the covering is not the boarded floor of the terraces nearby. Where a home is brand new, treat the drying allowance in the builder's programme as the date to start testing the screed, not as proof that it is dry, and get the screed's moisture measured before anything is laid.

07/ 08

27 conservation areas, listed buildings and what each covers indoors

Cardiff's adopted plan lists 27 conservation areas. What they control is a building's outside face, so laying a new floor indoors in one of them falls outside their scope.

Listing works differently. The same plan states that once a building is listed, no work to its interior or exterior that would affect its special architectural or historic interest may be done without listed building consent. If your home is listed, speak to the council's conservation officer before lifting any original boards or blocks.

08/ 08

  • 5.8January mean
  • 29.6air frost days a year

Mild Januaries and fewer frosts: wood floors and glass rooms

January in the town centre averages 5.8 °C, 12th highest of 151 towns, where the median is 4.8 °C. Air frost comes on 29.6 days a year, against a median of 38.1 days.

Mild does not mean the radiators stay off. Through the heating season the air indoors dries out, a wood floor loses some of its moisture, and thin gaps can show between boards; with summer they close up again. For a glass room the question is the freezing nights: how often a conservatory freezes depends on where the house stands, and here air frost is less frequent than in the median town.

Floor by floor

Every floor type, read against Cardiff's rain and housing

19 floors, rooms and needs, each with a note written for Cardiff homes. Pick one to read it.

Floor types

Floor type

Cardiff

Engineered Wood

Engineered oak suits a flat made from an older house, where it can sit over an underlay chosen with the household below in mind.

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Floor type

Cardiff

Solid Wood

Solid oak can go onto the boarded downstairs of a Victorian or Edwardian house once you have seen that the void is dry and the airbricks open.

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Floor type

Cardiff

Parquet

Parquet suits a period front room, though in a listed house the conservation officer should see the original floor before anything is lifted.

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Floor type

Cardiff

Laminate

In a house of sharers, choose laminate's AC class for the route every housemate uses, from the street door to the kitchen.

Shop Laminate flooring
Floor type

Cardiff

LVT Vinyl

Vinyl planks and tiles fit a let's kitchen and bathroom, where a dripping hose can go unmentioned at first.

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Floor type

Cardiff

SPC Rigid Vinyl

For wet rooms in a flat converted from a house, a rigid core plank keeps water on top where the subfloor is a slab.

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Rooms

Room

Cardiff

Hallway

37.0 days a year on which ten millimetres or more of rain fall put Cardiff's halls to work, so the stretch inside the door needs the toughest surface in the house.

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Room

Cardiff

Kitchen

A kitchen floor should keep a leak from the washing machine or dishwasher on the surface, not in the boards below it.

Shop Kitchen flooring
Room

Cardiff

Living Room

Below a converted flat's living room lives another household, so judge the underlay by the impact figure stated for it.

Shop Living Room flooring
Room

Cardiff

Bedroom

Upstairs bedrooms in a terraced house see little of the street's grit, so a less hard-wearing finish or grade is enough there.

Shop Bedroom flooring
Room

Cardiff

Bathroom

One bathroom serving a whole terraced household takes every shower, so choose a bathroom floor that absorbs no water.

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Room

Cardiff

Utility Room

Put the washing machine on a floor that shrugs off water, with its edges sealed against the wall, whatever room it lives in.

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Room

Cardiff

Conservatory

Fewer air frost days than the median town spare a Cardiff conservatory some freezing nights, but a glass room still needs a floor sold for one.

Patterns & needs

Pattern or need

Cardiff

Herringbone

Herringbone suits the front room of a terraced house, laid over boards whose condition you have checked first.

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Pattern or need

Cardiff

Chevron

A chevron floor works in a newer flat on a screed, once the screed has tested dry and the underlay suits the flat below.

Shop Chevron flooring
Pattern or need

Cardiff

Waterproof

Boards listed as waterproof help at a rain-soaked threshold, but water still finds open joints, so the edges need sealing.

Shop Waterproof flooring
Pattern or need

Cardiff

Underfloor Heating

If the heating sits in the screed of a newer home, test the screed before any floor rated for underfloor heating goes down.

Shop Underfloor Heating flooring
Pattern or need

Cardiff

Pet-Friendly

After a wet walk a dog brings Cardiff's rain straight onto the hall floor, so choose a surface that copes with water and that the dog is happy to cross.

Pattern or need

Cardiff

Grey

Grey lets each new tenant in a Cardiff let bring their own colours.

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Questions

Questions about flooring in Cardiff

How do I protect the hall floor of a Cardiff terrace from the rain?

Plan the hall as the weather room. With 37.0 days a year on which ten millimetres or more of rain fall in the town centre, grit and water come in together. A hard-wearing surface by the door, a large mat and softer finishes kept to the rooms beyond make more sense than one floor throughout.

Could my Cardiff terrace have a suspended timber floor downstairs?

Quite possibly. 37.6% of dwellings in the built-up area date from before 1940, and houses of that age commonly have boards on joists with air moving underneath. Check by lifting a board near the skirting or shining a torch through an airbrick, and leave those airbricks unblocked afterwards.

What should a landlord letting near Cathays or Plasnewydd weigh up?

That the floor serves a run of tenancies, not one household. 24.1% of Cardiff households rent privately, and the council's draft plan notes concentrations of shared houses in those wards. Pick a covering that absorbs no water in kitchens and bathrooms, and an abrasion class that suits the hall.

I have just bought a Cardiff flat; may I swap the carpet for boards?

Read the lease before anything else. Flats were 20.0% of residential sales here in 2025, and a lease commonly contains a covenant on floor coverings, sometimes demanding carpet, sometimes the freeholder's consent for a hard floor. If boards are allowed, the underlay still has to suit the flat beneath.

My oak boards in Cardiff have opened up since November. Is something wrong?

Probably not. The town centre's January mean of 5.8 °C is mild, but the heating still runs, it dries the indoor air, and the boards lose moisture and narrow slightly, leaving hairline gaps at the joints. They tighten again in summer, when the air indoors is damper.

Local facts

Local facts: Cardiff

19 facts from the census, the Met Office, the council and other public records, each with what it means for a floor in Cardiff and where it comes from.

  • Weather & ground

    37.0

    days with 10 mm of rain or more

    Cardiff37.0
    Median, 151 towns17.8

    7th highest of 151 towns

    For your floorDays on which ten millimetres or more of rain fall are well above the median here, so the floor inside the front door meets water as well as grit.

    Source

    Days with at least 10 mm of rain per year (1991–2020 average, town centre). Area: Cardiff town centre (Met Office HadUK-Grid 2 km cell). Met Office, HadUK-Grid (v1.1.0.0) climate averages 1991-2020, Met Office Climate Data Portal: Monthly Temperature Observations 1991-2020 (2 km grid), Monthly Min Temperature Observations 1991-2020 12km (12 km grid), Annual Count of 10mm Rainfall Days 1991-2020 (2 km grid). Data: 1991-2020 · retrieved 2026-09-22.

  • Weather & ground

    5.8

    January mean

    Cardiff5.8
    Median, 151 towns4.8

    12th highest of 151 towns

    For your floorA January milder than the median still means months of heating; boards dry out a little, and thin gaps open at the joints until the damper summer months.

    Source

    Mean daily temperature in January (1991–2020 average, town centre). Area: Cardiff town centre (Met Office HadUK-Grid 2 km cell). Met Office, HadUK-Grid (v1.1.0.0) climate averages 1991-2020, Met Office Climate Data Portal: Monthly Temperature Observations 1991-2020 (2 km grid), Monthly Min Temperature Observations 1991-2020 12km (12 km grid), Annual Count of 10mm Rainfall Days 1991-2020 (2 km grid). Data: 1991-2020 · retrieved 2026-09-22.

  • Weather & ground

    29.6

    air frost days a year

    Cardiff29.6
    Median, 151 towns38.1

    121st highest of 151 towns

    For your floorAir frost is less frequent than in the median town, which eases the freezing half of what a conservatory floor must withstand.

    Source

    Days with air frost per year (1991-2020 average, town centre). Area: Cardiff town centre (Met Office HadUK-Grid 2 km cell). Met Office, HadUK-Grid climate averages 1991-2020 (climate data portal). Data: 1991-2020 · retrieved 2026-09-22.

  • Homes

    30.3%

    in a terraced house

    Cardiff30.3%
    England and Wales23.2%

    40th highest of 151 towns

    For your floorIn a terrace with one bathroom, that room takes every shower, a different pattern of wet rooms from a larger house.

    Source

    Households in a terraced house. Area: Cardiff built-up area (ONS Built-up Areas 2024). ONS, Census 2021, TS044 Accommodation type (households). Data: 2021-03-21 · retrieved 2026-09-22.

  • Homes

    38.2%

    Residential sales in 2025 that were terraced houses (including end-of-terrace)

    Cardiff38.2%
    England and Wales27.4%

    31st highest of 133 towns

    For your floorTerraced houses made up a sizeable part of 2025's sales, and a terrace's street door decides how much grit reaches the floor inside.

    Source

    Residential sales in 2025 that were terraced houses (including end-of-terrace). Area: Cardiff built-up area (ONS Built-up Areas 2024). HM Land Registry, Price Paid Data, 2025 (standard price paid transactions). Data: 2025 · retrieved 2026-09-22.

  • Homes

    13.5%

    in a detached house

    Cardiff13.5%
    England and Wales23.2%

    104th highest of 151 towns

    For your floorDetached houses are less common here; with nobody below, an echoing room needs rugs and furniture, while the impact figure concerns flats.

    Source

    Households in a detached house. Area: Cardiff built-up area (ONS Built-up Areas 2024). ONS, Census 2021, TS044 Accommodation type (households). Data: 2021-03-21 · retrieved 2026-09-22.

  • Homes

    5.8%

    in a converted flat

    Cardiff5.8%
    England and Wales4.2%

    20th highest of 151 towns

    For your floorPlenty of Cardiff flats were made by converting buildings, so the structure underneath could be concrete or timber, and a covering responds to each in its own way.

    Source

    Households in a flat inside a converted or shared house or other converted building. Area: Cardiff built-up area (ONS Built-up Areas 2024). ONS, Census 2021, TS044 Accommodation type (households). Data: 2021-03-21 · retrieved 2026-09-22.

  • Homes

    19.3%

    in a purpose-built flat

    Cardiff19.3%
    England and Wales16.7%

    71st highest of 151 towns

    For your floorBuilding regulations set stricter sound figures for the floor between new purpose-built flats than for converted ones, so the block has a say in the underlay.

    Source

    Households in a purpose-built block of flats or tenement. Area: Cardiff built-up area (ONS Built-up Areas 2024). ONS, Census 2021, TS044 Accommodation type (households). Data: 2021-03-21 · retrieved 2026-09-22.

  • Homes

    20.0%

    Residential sales in 2025 that were flats or maisonettes

    Cardiff20.0%
    England and Wales16.3%

    48th highest of 133 towns

    For your floorWhere flats are a sizeable share of sales, a new owner's first reading is the lease clause on floor coverings.

    Source

    Residential sales in 2025 that were flats or maisonettes. Area: Cardiff built-up area (ONS Built-up Areas 2024). HM Land Registry, Price Paid Data, 2025 (standard price paid transactions). Data: 2025 · retrieved 2026-09-22.

  • Who lives here

    24.1%

    rent privately

    Cardiff24.1%
    England and Wales20.3%

    44th highest of 151 towns

    For your floorPrivate landlords choose many Cardiff floors, and a floor chosen for tenancies shows its mistakes years later.

    Source

    Households renting privately. Area: Cardiff built-up area (ONS Built-up Areas 2024). ONS, Census 2021, TS054 Tenure (households). Data: 2021-03-21 · retrieved 2026-09-22.

  • Who lives here

    17.5%

    rent socially

    Cardiff17.5%
    England and Wales17.1%

    85th highest of 151 towns

    For your floorLeaks in council and housing association homes, as in every rented home, can go unreported at first, and a covering that absorbs no water avoids a replacement.

    Source

    Households renting from a council or housing association. Area: Cardiff built-up area (ONS Built-up Areas 2024). ONS, Census 2021, TS054 Tenure (households). Data: 2021-03-21 · retrieved 2026-09-22.

  • When they were built

    18.4%

    built before 1900

    Cardiff18.4%
    England and Wales15.5%

    32nd highest of 141 towns

    For your floorA large stock built before 1900 shares a ground floor no new build has: timber boards laid across joists, with a ventilated space below.

    Source

    Dwellings built before 1900. Area: Cardiff built-up area (ONS Built-up Areas 2024). VOA, Council Tax: stock of properties 2025, table CTSOP4.1 (build period). Data: 2025-03-31 · retrieved 2026-09-22.

  • When they were built

    37.6%

    built before 1940

    Cardiff37.6%
    England and Wales35.4%

    58th highest of 141 towns

    For your floorIn the pre-1940 houses the void under the boards keeps them dry only while the airbricks are unblocked.

    Source

    Dwellings built before 1940. Area: Cardiff built-up area (ONS Built-up Areas 2024). VOA, Council Tax: stock of properties 2025, table CTSOP4.1 (build period). Data: 2025-03-31 · retrieved 2026-09-22.

  • When they were built

    10.2%

    built 2009 or later

    Cardiff10.2%
    England and Wales11.8%

    78th highest of 141 towns

    For your floorHomes from 2009 onwards sit on a different floor beneath the floor from the terraces around them.

    Source

    Dwellings built 2009 or later. Area: Cardiff built-up area (ONS Built-up Areas 2024). VOA, Council Tax: stock of properties 2025, table CTSOP4.1 (build period). Data: 2025-03-31 · retrieved 2026-09-22.

  • When they were built

    Building period

    The adopted Local Development Plan speaks of a Victorian and Edwardian legacy visible in the city centre, the inner suburbs, the civic centre and religious buildings.

    For your floorWhere the council sees its Victorian and Edwardian legacy, in the centre and the inner suburbs, a house's age tells you how its rooms are stacked and what material its joists are.

    Source

    Area: Cardiff Council area. Cardiff Local Development Plan 2006-2026 (adopted plan). Data: 2016-01-28 (adopted 28 January 2016) · retrieved 2026-11-03.

  • Homes

    Housing type

    The council's draft Replacement Local Development Plan (the deposit plan published in January 2025, a draft) notes established, uneven concentrations of houses in multiple occupation across Cardiff, in particular in the wards of Cathays and Plasnewydd near the universities.

    For your floorIn the shared houses of Cathays and Plasnewydd, the layout as much as the tenants decides where water is used and how much street grit gets in.

    Source

    Area: Cardiff Council area; Cathays and Plasnewydd wards. Cardiff Replacement Local Development Plan 2021-2036 – Deposit Plan (draft, submitted for examination 23 December 2025). Data: 2025-01 (Deposit Plan, January 2025; draft, not adopted; under examination as retrieved 2026-11-03) · retrieved 2026-11-03.

  • Heritage & plans

    Conservation areas

    Cardiff Council's adopted Local Development Plan states that there are 27 conservation areas in Cardiff.

    For your floorThe council's conservation-area controls deal with how buildings look from outside; the floor you lay indoors is not their business.

    Source

    Area: Cardiff Council area. Cardiff Local Development Plan 2006-2026 (adopted plan). Data: 2016-01-28 (adopted 28 January 2016) · retrieved 2026-11-03.

  • When they were built

    New homes planned

    The council's draft Replacement Local Development Plan for 2021 to 2036 (the deposit plan published in January 2025, a draft) would provide 26,400 new homes in that period.

    For your floorNew homes in the draft plan mean new screeds, and a drying allowance only marks when testing can begin, not when the screed is dry.

    Source

    Area: Cardiff Council area. Cardiff Replacement Local Development Plan 2021-2036 – Deposit Plan (draft, submitted for examination 23 December 2025). Data: 2025-01 (Deposit Plan, January 2025; draft, not adopted; under examination as retrieved 2026-11-03) · retrieved 2026-11-03.

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