Window Installers in Cardiff
W99999999
FENSA and CERTASS registered installers covering Cardiff and surrounding areas.
Typical full-house cost in Cardiff
£3,228 to £5,488
Based on roughly 6 windows per typical home in Cardiff, in A-rated uPVC double glazing.
Population
361,217
Census 2021
Households
146,528
Census 2021
Avg windows per home
6
Dominant: semi-detached homes
Property types in Cardiff
Source: Census 2021 · aggregated across 20 neighbourhoods
Window count and total cost vary by property type. Detached homes typically have 10 or more windows, semi-detached 7 to 8, terraced 5 to 6, and flats 3 to 4.
Why homeowners in Cardiff replace their windows
Energy efficiency. Many homes in Cardiff still have older double glazing fitted in the late 1990s or early 2000s. Modern A or A+ rated units cut heat loss significantly and reduce annual energy bills.
Noise reduction. Acoustic glazing reduces traffic and street noise by up to 75%, a common upgrade on properties near main roads, railways or busy junctions.
Curb appeal and value. Estate agents in Cardiff consistently cite new windows as one of the highest-return upgrades before listing a property for sale.
Neighbourhoods we cover in Cardiff
Tap any area to see window pricing and installer coverage
1Adamsdown
Butetown
Caerau
Canton
Cathays
Cyncoed
Ely
Fairwater
Gabalfa
Grangetown
Heath
Lisvane and Thornhill
Llandaff
Llandaff North
Llanishen
Llanrumney
Pentwyn
Pentyrch and St Fagans
Penylan
Plasnewydd
Window options available in Cardiff
uPVC
Most popular, lowest cost, low maintenance
Aluminium
Slim modern frames, 40+ year lifespan
Timber
Traditional look, conservation areas
Composite
Premium hybrid frame, best of both
Common questions about windows in Cardiff
Do I need planning permission to replace windows in Cardiff?
Most window replacements in Cardiff are permitted development and need no planning permission. The exceptions are listed buildings, homes in a conservation area, and properties under an Article 4 direction, where like-for-like styles or timber frames may be required. Your installer checks this during the free home survey before any work is quoted.
Which installers cover Cardiff?
Our network includes FENSA and CERTASS registered installers covering Cardiff and the surrounding Cardiff. After you submit a quote request, we match you with local companies who specialise in your window type and property style.
How long does installation take?
Most full-house installations take between 1 and 3 days depending on window count and property access. Bay windows and timber alternatives may add an extra day. Your installer confirms a firm timeline during the free home survey.
Nearby towns and cities
Other areas we cover in W99999999
Get free window quotes in Cardiff
Free quotes from vetted local installers. No obligation.
Get Free Window QuotesPopulation and property mix data from Census 2021, aggregated across the city's neighbourhoods. Price guides are indicative and based on mid-range A-rated uPVC casement windows. Exact prices vary by spec and installer.