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Last updated: · Based on contractor submissions

Double Glazing Cost in South West (2026)

Double glazing in South West typically costs between £4,200 and £6,200 - roughly 4% above the UK average. Higher local labour rates and strong demand are the main factors driving prices up.

£4,200–£6,200

Typical range

£5,200

Average cost

+4%

vs national avg

1–3 days

Typical duration

Free, no obligation. Quotes from vetted tradespeople in South West.

Important: Window installations must comply with Building Regulations. Your installer should either be registered with FENSA or a similar competent person scheme, or you will need to apply for Building Regulations approval from your local council separately.

Double glazing in South West

South West double glazing prices

Prices below reflect the typical cost of a double glazing in South West, including materials and labour.

TypeDetailsSouth West rangeSouth West avg
Small house (1-2 bed)4–6 windows, basic uPVC frames£2,500 – £3,700£3,100
3-bed semi8–10 windows, standard uPVC throughout£4,200 – £6,200£5,200
4-bed detached12–15 windows plus French doors£6,600 – £10,000£8,300

All prices include materials and labour. Based on contractor submissions and market data, April 2026.

What affects double glazing costs in South West

Double glazing costs depend heavily on the number and size of windows, the frame material, and the glass specification. In South West, installation labour rates of £42–£60 per hour affect the fitting cost per window.

The South West includes everything from Bristol's urban terraces to rural Devon and Cornwall cottages. Older stone-built properties are common in more rural areas and can be more complex to work on. Older properties with non-standard window sizes or stone surrounds often cost more to fit, as each window may need to be made to measure rather than using standard sizes.

Delivery charges can be higher for properties in Devon and Cornwall due to the distances involved. Properties closer to Bristol or Exeter have better material availability. The type of frame makes a difference too - uPVC is the cheapest option, timber is the most expensive, and aluminium sits in between.

The South West has moderate demand. Holiday home renovations create seasonal peaks, particularly in Cornwall and Devon during spring. The busiest time for window companies is typically spring and summer, so booking in autumn or winter may get you a slightly better deal.

How South West compares

South West double glazing costs compared to other UK regions and the national average.

RegionAverage costvs national avg
South East£5,600+13%
East of England£5,300+7%
South WestYou are here£5,200+4%
National average£5,000-
Midlands£5,000Average
Yorkshire£4,700-6%

How to get your double glazing for less in South West

Get quotes from independent fitters, not just big brands

The large national double glazing companies often charge significantly more than local independent fitters in South West. The products are frequently identical - the difference is in marketing and sales overhead.

Stick with uPVC unless you have a specific reason not to

uPVC frames are the most affordable option and perform well. Unless you live in a conservation area or have a listed building where timber or aluminium may be required, uPVC will give you the best value for money.

Replace all windows at once

Window fitters in South West will give you a much better per-window price if you are replacing the whole house in one go. Doing windows one room at a time costs more in total because of the setup and scaffolding involved each time.

Frequently asked questions

How much does double glazing cost in South West?
Double glazing a 3-bed semi in South West typically costs around £5,200. Prices range from £4,200 to £6,200 depending on the number of windows and the frame material.
Is double glazing cheaper in South West than other parts of the UK?
Double glazing in South West tends to cost about 4% more than the national average, mainly due to higher fitting rates.
How long does it take to fit double glazing in South West?
Most full-house double glazing jobs take 1 to 3 days. A 3-bed semi with 8 to 10 windows can usually be completed in a single day by an experienced fitting team.

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Reviewed by Chris Ward, Less.co.uk co-founder · Last updated April 2026