Conservatory roofs in Portsmouth

Q: How much do conservatory roofs cost in Portsmouth?

Conservatory Roofs in Portsmouth typically cost between £2,710 and £10,860 installed, depending on system size (modelled estimate). A typical mid-range system costs around £6,430. Actual costs vary depending on property and installer.

Q: How do I find a good installer in Portsmouth?

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.

£2,710 to £10,860 installed, and 50% of homes in the council area rated EPC D to G.

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By Home Energy Quotes · Updated September 2026 · Portsmouth, Hampshire

What a new roof costs in Portsmouth

Small (up to 3m)

£2,710–£4,700

We don’t publish a saving figure for this upgrade.

Medium (3–4m) (most common)

£5,150–£7,270

We don’t publish a saving figure for this upgrade.

Large (4m+)

£7,690–£10,860

We don’t publish a saving figure for this upgrade.

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.

Portsmouth in numbers

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

50% of homes with an EPC in the Portsmouth council area are rated D to G, and the median energy score is 69, which is band C. At the 2021 Census, 75.8% of households in the Portsmouth council area used mains gas as their only central heating, 0% oil only and 11.5% electricity only.

Portsmouth council area	Figure	Source
Homes with an EPC rated D to G	50%	ONS, EPCs lodged to March 2025
Median EPC energy score	69 (band C)	ONS, EPCs lodged to March 2025
Households on mains gas heating only	75.8%	Census 2021, ONS
Electricity network operator	SSEN Distribution (Southern England)	NESO licence area boundaries

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

Grants and funding in Portsmouth

No conservatory roof grant

There is no government grant for conservatory roof replacement in Portsmouth, and a replacement roof does not qualify for 0% VAT on energy-saving materials.

Source: HMRC — VENSAV3270

Standard VAT

Conservatory roofs are 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

Portsmouth leads a Warm Homes: Local Grant consortium allocated £34,807,254 in principle for April 2025 to March 2028. Income and EPC rules apply.

Source: DESNZ, list updated July 2026

Is Portsmouth a good place for conservatory roofs?

Portsmouth receives an average of 1710 hours of sunshine per year — above the UK average of 1,493 hours. Combined with South East’s energy prices tracking the UK average, conservatory roofs installations here may offer good value (individual results will vary).

Portsmouth has a population of 214,000, and the area falls within the South East region. We recommend getting at least 3 quotes to compare prices.

Find Installers in Portsmouth

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.

Request a free quote →

What to check before hiring an installer in Portsmouth

Qualifications — check the installer holds relevant qualifications and certifications for conservatory roofs before signing any contract
Local references — ask for completed jobs in Portsmouth or Hampshire
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

Questions about conservatory roofs in Portsmouth

How much do conservatory roofs cost in Portsmouth?

Conservatory Roofs in Portsmouth cost between £2,710 and £10,860 installed, depending on system size. A typical mid-range system costs around £6,430 including installation and VAT (modelled estimate).

How energy efficient are homes in Portsmouth?

50% of homes with an EPC in the Portsmouth council area, which covers Portsmouth, are rated D to G, and the median energy score is 69, which is band C.

Is there a grant for conservatory roofs in Portsmouth?

There is no government grant for conservatory roof replacement in Portsmouth, and a replacement roof does not qualify for 0% VAT on energy-saving materials.

How long is the payback period in Portsmouth?

We don’t publish a payback for conservatory roofs: no official source gives a reliable yearly saving. How we calculate costs explains why.

Do I need planning permission in Portsmouth?

Most conservatory roofs 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 Portsmouth before installation.

How do I find a good installer in Portsmouth?

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 Portsmouth

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

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Portsmouth on the map

Portsmouth, Hampshire and the surrounding area.

Conservatory Roofs in nearby towns

Last reviewed: 15 September 2026. Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.