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Double glazing in Southport

£1,860 to £10,040 installed, and 51% of homes in the council area rated EPC D to G.

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By Home Energy Quotes · Updated September 2026 · Southport, Merseyside

Double Glazing in Southport

What double glazing costs in Southport

4–6 windows

£1,860–£3,460

Saves up to £68 a year. Pays back in about 39 years.

Full house (most common)

£3,790–£6,110

Saves up to £116 a year. Pays back in about 43 years.

Large home package

£6,490–£10,040

Saves up to £172 a year. Pays back in about 48 years.

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

Southport in numbers

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

51% of homes with an EPC in the Sefton council area are rated D to G, and the median energy score is 68, which is band D. At the 2021 Census, 83.6% of households in the Sefton council area used mains gas as their only central heating, 0.2% oil only and 5.4% electricity only.

Sefton council areaFigureSource
Homes with an EPC rated D to G51%ONS, EPCs lodged to March 2025
Median EPC energy score68 (band D)ONS, EPCs lodged to March 2025
Households on mains gas heating only83.6%Census 2021, ONS
Electricity network operatorSP Energy Networks (North Wales, Merseyside and Cheshire)NESO licence area boundaries

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

Grants and funding in Southport

No general glazing grant

There is no general grant for double glazing in Southport, 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

The council is part of a Warm Homes: Local Grant consortium led by Liverpool City Region Combined Authority, allocated £31,805,813 in principle across the consortium for April 2025 to March 2028. Income and EPC rules apply.

Source: DESNZ, list updated July 2026

Is Southport a good place for double glazing?

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

Southport has a population of 91,000, and the area falls within the North West region. We recommend getting at least 3 quotes to compare prices.

Southport

Find Installers in Southport

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 Southport

  • Qualifications — check the installer holds relevant qualifications and certifications for double glazing before signing any contract
  • Local references — ask for completed jobs in Southport or Merseyside
  • 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 Southport

Double Glazing by Area in Southport

Explore our detailed neighbourhood guides covering every area of Southport. Each guide includes local costs, available grants and qualified installers near you.

Ainsdale Birkdale Crossens Formby Hightown Maghull

Questions about double glazing in Southport

How much does double glazing cost in Southport?
Double Glazing in Southport costs between £1,860 and £10,040 installed, depending on system size. A typical mid-range system costs around £5,310 including installation and VAT (modelled estimate).
How energy efficient are homes in Southport?
51% of homes with an EPC in the Sefton council area, which covers Southport, are rated D to G, and the median energy score is 68, which is band D.
Is there a grant for double glazing in Southport?
There is no general grant for double glazing in Southport, 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 Southport?
The estimated payback period in Southport is typically around 51 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 Southport?
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 Southport before installation.
How do I find a good installer in Southport?
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 Southport

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

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Southport on the map

Map of Southport, Merseyside
Southport, Merseyside and the surrounding area.

Double Glazing in nearby towns

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.