How long is the payback period for double glazing in Exeter?

Based on estimated potential savings of up to £300 per year, a typical system in Exeter typically pays back in around 8 years. Actual results depend on your property and energy usage.

How much can I save with double glazing in Exeter?

Homeowners in Exeter could save up to £300 per year with Double Glazing. Actual savings depend on property type, energy usage and tariff.

Double Glazing

Double Glazing in Exeter — 2026 Guide

Q: How much does double glazing cost in Exeter?

Double Glazing in Exeter typically costs between £3150 and £9480 installed (estimated). The average homeowner pays around £5930. Actual costs vary depending on property and installer.

Q: Do I need planning permission for double glazing in Exeter?

Most domestic double glazing installations in Exeter fall under permitted development rights and do not require planning permission, though listed buildings and conservation areas may be exceptions.

By Daniel Kirkby, Contributor · Updated July 2026 · Exeter, Devon

Quick answer: Double Glazing in Exeter cost between £3150 and £9480 installed (2026 prices). The average homeowner could save up to £300 per year on energy bills. The Warm Homes: Local Grant may fund energy improvements in Exeter for households with income under £36,000.

Based on a typical system size, average energy prices and a typical home — your figure will differ.

£5930

Est. installed cost

up to £300/yr

Could save (est.)

typically ~8 yrs

Payback (est.)

1708 hrs

Sunshine hours

Is Exeter a Good Place for Double Glazing?

The area’s housing stock includes a range of properties suited to double glazing installations throughout Exeter. Combined with South West’s energy prices, double glazing installations here may offer good value (individual results will vary).

Exeter has a population of 130,000, and the area falls within the South West region. We recommend getting at least 3 quotes to compare prices.

Double Glazing Costs in Exeter (2026)

System size	Typical cost	Could save (est.)	Payback (est.)
4–6 windows	£2000–£3830	up to £180/yr	~9 yrs
Full house (most common)	£4290–£7130	up to £310/yr	~8 yrs
Large home package	£7690–£11820	up to £460/yr	~7 yrs

Source: Green Reach Energy research, July 2026. Prices are estimates and include installation and VAT. Actual costs may vary.

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Find Installers in Exeter

We recommend getting at least 3 quotes from qualified installers before making a decision. Check reviews, ask for local references, and make sure warranties are clearly stated in writing.

What to check before hiring an installer in Exeter

Qualifications — check the installer holds relevant qualifications and certifications for double glazing before signing any contract
Local references — ask for completed jobs in Exeter or Devon
Reviews — check online reviews before committing
Warranty — product and workmanship warranties should be clearly stated in writing
3 quotes minimum — we recommend comparing at least three quotes to ensure you get a fair price

Frequently Asked Questions

How much does double glazing cost in Exeter?

Double Glazing in Exeter costs between £3150 and £9480 installed. A typical mid-range system costs around £5930 including installation and VAT (estimated, based on our research).

Is there a grant for double glazing in Exeter?

The Warm Homes: Local Grant may fund energy improvements in Exeter for households with income under £36,000.

How long is the payback period in Exeter?

The estimated payback period in Exeter is typically around 8 years, based on estimated potential savings of up to £300 per year. Actual payback depends on your number of windows, property size and current glazing type.

Do I need planning permission in Exeter?

Most double glazing installations fall under permitted development rights and do not require planning permission. However, listed buildings, conservation areas and flats may need approval. Always check with your local planning authority in Exeter before installation.

How do I find a good installer in Exeter?

We recommend getting at least 3 quotes from qualified installers. Check online reviews and verify that the installer holds relevant qualifications before signing any contract.

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