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Double glazing in Hemel Hempstead

£2,051 to £11,131 installed, and 41% of homes in the council area rated EPC D to G.

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By Home Energy Quotes · Updated September 2026 · Hemel Hempstead, Hertfordshire

Double Glazing in Hemel Hempstead

What double glazing costs in Hemel Hempstead

4–6 windows

£2,051–£3,858

Saves up to £67 a year. Pays back in about 44 years.

Full house (most common)

£4,422–£6,841

Saves up to £117 a year. Pays back in about 48 years.

Large home package

£7,499–£11,131

Saves up to £164 a year. Pays back in about 57 years.

Source: Home Energy Quotes Cost Index, costs modelled June 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.

Hemel Hempstead in numbers

Published statistics for the Dacorum council area, not our estimates.

41% of homes with an EPC in the Dacorum council area are rated D to G, and the median energy score is 70, which is band C. At the 2021 Census, 78.8% of households in the Dacorum council area used mains gas as their only central heating, 1.4% oil only and 8.2% electricity only.

Dacorum council areaFigureSource
Homes with an EPC rated D to G41%ONS, EPCs lodged to March 2025
Median EPC energy score70 (band C)ONS, EPCs lodged to March 2025
Households on mains gas heating only78.8%Census 2021, ONS
Electricity network operatorUK Power Networks (East England)NESO licence area boundaries

These are published official statistics for the Dacorum council area, which covers Hemel Hempstead, not Home Energy Quotes estimates. Sources checked 6 October 2026.

Grants and funding in Hemel Hempstead

No general glazing grant

There is no general grant for double glazing in Hemel Hempstead, and windows do not qualify for 0% VAT. Councils delivering the Warm Homes: Local Grant can include double glazing in upgrades for eligible lower-income homes with an EPC rating of D to G.

Source: GOV.UK — Warm Homes: Local Grant

Standard VAT

Double glazing is not on HMRC's list of energy-saving materials, so 20% VAT applies and is inside the prices above.

Source: HMRC — VAT Notice 708/6

Warm Homes: Local Grant

Dacorum has £2,337,982 of Warm Homes: Local Grant funding allocated in principle for April 2025 to March 2028. Income and EPC rules apply.

Source: DESNZ, list updated July 2026

Is Hemel Hempstead a good place for double glazing?

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

Hemel Hempstead has a population of 95,985, and the area falls within the East of England region. We recommend getting at least 3 quotes to compare prices.

Find Installers in Hemel Hempstead

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.

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What to check before hiring an installer in Hemel Hempstead

  • Qualifications — check the installer holds relevant qualifications and certifications for double glazing before signing any contract
  • Local references — ask for completed jobs in Hemel Hempstead or Hertfordshire
  • 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
Double Glazing installer in Hemel Hempstead

Questions about double glazing in Hemel Hempstead

How much does double glazing cost in Hemel Hempstead?
Double Glazing in Hemel Hempstead costs between £2,051 and £11,131 installed, depending on system size. A typical mid-range system costs around £5,862 including installation and VAT (modelled estimate).
How energy efficient are homes in Hemel Hempstead?
41% of homes with an EPC in the Dacorum council area, which covers Hemel Hempstead, are rated D to G, and the median energy score is 70, which is band C.
Is there a grant for double glazing in Hemel Hempstead?
There is no general grant for double glazing in Hemel Hempstead, and windows do not qualify for 0% VAT. Councils delivering the Warm Homes: Local Grant can include double glazing in upgrades for eligible lower-income homes with an EPC rating of D to G.
How long is the payback period in Hemel Hempstead?
The estimated payback period in Hemel Hempstead is typically around 56 years, based on estimated savings of up to £104 a year for a typical home. Actual payback depends on your number of windows, property size and current glazing type.
Do I need planning permission in Hemel Hempstead?
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 Hemel Hempstead before installation.
How do I find a good installer in Hemel Hempstead?
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.

Get quotes for your home in Hemel Hempstead

Up to three approved installers who cover Hemel Hempstead may contact you. Free, no obligation.

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Hemel Hempstead on the map

Map of Hemel Hempstead, Hertfordshire
Hemel Hempstead, Hertfordshire and the surrounding area.

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Last reviewed: . Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.