Our analysis of 2026 regional data suggests Bristol sits around 5% above the UK average, which points to roughly £420-£1,050 per window fitted and £4,200-£10,500 for a typical 3-bed. That adjustment comes from one modelled study (ExpertSure 2026), so treat it as an approximate guide rather than hard fact, and anchor back to the national picture on our cost by house size guide and the cost by UK region table.
How Bristol compares with the national average
The national, fully fitted figures are the baseline: a typical uPVC casement runs £400 to £1,000 per window, and a mid-terrace or 3-bed runs £4,000 to £10,000. The South West adjustment of +5% applies to both. We present it as approximate because it derives from a single modelled study rather than a survey of Bristol quotes.
| Measure | UK national | Bristol (+5%) |
|---|---|---|
| Per window (fitted casement) | £400–£1,000 | £420-£1,050 |
| Typical 3-bed | £4,000–£10,000 | £4,200-£10,500 |
| Modelled adjustment | Baseline | +5% |
National figures from the DGCC 2026 dataset. Regional adjustment modelled (ExpertSure 2026); presented as an approximate guide.
What each window style costs in Bristol
The figures above are for a standard casement, the most common window in UK homes. Style moves the price more than anything except frame material: a sash costs about half as much again as a casement, and a bay is priced per bay rather than per window. Here is the full range at Bristol prices.
| Window style | UK national | Bristol (+5%) | Best for |
|---|---|---|---|
| Casement | £400–£1,000 | £420–£1,050 | The default for most UK homes |
| Sash | £600–£1,500 | £630–£1,580 | Period and conservation properties |
| Tilt & Turn | £500–£1,200 | £530–£1,260 | Flats and upper floors |
| Bay | £1,250–£3,000 | £1,310–£3,150 | Priced per bay, not per window |
| Fixed | £300–£760 | £320–£800 | Non-opening, the cheapest option |
National figures from the DGCC 2026 price table. Bristol column is the national figure adjusted by +5%, the modelled South West position (ExpertSure 2026), rounded to £10. Bay windows are priced per bay.
Three worked examples by house type
These take the national house-size figures and apply the modelled South West uplift of around 5%. They are illustrative, not quotes.
Flat (around 4 windows)
A national flat runs about £1,800 to £5,000 fully fitted, so Bristol points to roughly £1,890 to £5,250. Access on a converted Georgian townhouse is the usual swing factor.
Mid-terrace or 3-bed (around 8 to 10 windows)
Against the national £4,000 to £10,000, a Bristol 3-bed lands at roughly £4,200-£10,500 for standard uPVC. A conservation-area terrace can run well beyond that once heritage frames are required.
Semi-detached (around 10 to 12 windows)
A national semi sits at £5,000 to £12,000, which points to around £5,250 to £12,600 in Bristol, depending on window count and whether scaffolding is needed.
Clifton, the Georgian core and what you are allowed to fit
This is the factor that matters most in Bristol, and the one the percentage above does not capture. In Clifton and the Georgian core a large share of the housing stock sits in conservation areas where conservation-grade timber or slim-profile aluminium is expected rather than standard uPVC, and that specification costs two to three times a standard uPVC casement. For reference, a timber casement runs £760 to £1,900 per window nationally before any regional uplift.
The practical consequence is that the 5% figure describes suburban Bristol accurately and heritage Bristol not at all. Check your conservation and listed status with the council before you order, and read the conservation area rules and the listed building cost guide if either applies. Our Bristol window replacement guide covers the consent side in more detail.
Bristol is really two markets. Out in the suburbs it is an ordinary South West job at a few percent over national. Get into Clifton or Redland and the question stops being which uPVC and starts being what you are permitted to fit, which is a different budget entirely. Find out which of the two you are in before you price anything.
Double Glazing Cost Calculator Team
Getting an accurate Bristol price
Because the Bristol figure rests on one modelled source, use it to set expectations, then get at least three written quotes from FENSA or CERTASS registered installers for your own property. It is worth seeing where the city sits against the rest of the country: London runs about 20% above the average against the 5% here, while Cardiff sits 13% below it despite being under an hour away, the widest short-distance gap on the map. Birmingham tracks the national benchmark almost exactly if you want a neutral comparison. Every city sits on the Double Glazing Costs by UK Region hub. To price the windows themselves, the uPVC window calculator gives a per-window estimate you can adjust for Bristol, and the timber window calculator is the one to use if you are in a conservation area.
Get quotes from Bristol installers
The figures above are a benchmark. For prices on your actual windows, tell us what you need and Leads 2 Trade will arrange quotes from installers covering Bristol.
One thing worth doing before you compare them. Confirm whether your street falls inside a conservation area and give every installer the same answer, because a uPVC quote and a conservation-grade timber quote for the same house are not comparable, and the gap between them is far wider than any difference in labour rates.
Frequently asked questions
Our analysis of 2026 regional data suggests Bristol sits around 5% above the UK average, which works out at roughly £420 to £1,050 per window fitted and £4,200 to £10,500 for a typical 3-bed. These figures come from a single modelled study, so treat them as a guide and always get three local quotes.
The South West as a whole runs about 5% above the national average in the 2026 modelled data. In Bristol the bigger factor is not that uplift but the density of conservation areas in Clifton and the Georgian core, where the permitted specification rather than the labour rate sets the price.
Often yes. In Clifton and much of the Georgian core, conservation-grade timber or slim-profile aluminium is expected rather than standard uPVC, and that specification costs two to three times as much. Check your conservation and listed status with Bristol City Council before you order.
No. The regional adjustment comes from one modelled 2026 study, not a survey of Bristol quotes, so we present it as an approximate uplift on the national figures. Use it to set expectations, then get at least three written quotes for your actual property.