Summer offer — free loft assessment & up to £500 off insulation this month·100s of Portsmouth homes insulated·No-obligation quote in 24 hrs
Loft insulation specialists · Portsmouth

A warmer, cheaper-to-run Portsmouth home, all year round

Local loft insulation specialists for Portsmouth's terraced streets, island homes and mainland semis — a free home survey and a fixed, no-obligation quote within 24 hours.

Your loft, working harderInsulated & ventilated
Insulated — and still breathing air in air in moist air out A warm ceiling and a ventilated roof space — cosy below, no trapped damp above
What we do

Five loft services for Portsmouth homes

Why bother?

A loft that finally pulls its weight

Portsmouth is one of the most densely built cities in the country, packed onto Portsea Island, and most of it is Victorian and Edwardian terraced housing — the long, tight streets of Fratton, Southsea, North End, Copnor, Milton and Eastney. Around them sit post-war council-built homes in the west of the city at Buckland, Landport and Portsea, 1930s housing in parts of Copnor, more spacious post-war semis on the mainland at Cosham, Drayton and Farlington, and modern waterfront apartments at Gunwharf and Port Solent. A great many of these terraced lofts are small, low and under-insulated, so the bedrooms below run cold in winter and hot in summer. We work with the quirks of every roof type.

  • Warmer in winter, cooler in summer
  • Lower heating and cooling bills
  • A better EPC rating and quieter rooms
  • Most homes finished in a single day
How it works

From first call to a warmer home

1

Get in touch

Send your details or call — about a minute.

2

Free loft survey

A vetted local installer checks access, depth and ventilation.

3

Fixed written quote

A clear, no-obligation price within 24 hours.

4

Fitted in a day

Most jobs are done in a single, tidy visit.

Areas we cover

Across Portsmouth & south-east Hampshire

SouthseaOld PortsmouthPortseaLandportSomers TownFrattonNorth EndStamshawBucklandKingstonCopnorBaffinsMiltonEastneyHilseaCoshamDraytonFarlington

Not sure if we reach you? Just ask — we almost certainly do.

Reviews

What Portsmouth homeowners say

“Our Victorian terrace in Southsea was freezing upstairs and boiling in summer. They topped the loft up properly and it's a completely different house now.”Hannah W. · Southsea, PO5

“No pushy upselling — they recommended a wool top-up and boarded a small section for storage. Tidy, fair and done in a day.”

Lewis M.Copnor, PO3

“Tiny low loft in our Fratton terrace and an awkward hatch — they managed it cleanly and the bedrooms hold their heat so much better now.”

Sofia & DanFratton, PO1

Read more reviews

Get started

Get your free loft quote

Tell us a little about your property and we'll come back within 24 hours with a clear, no-obligation quote from a vetted Portsmouth installer.

  • Free, no-pressure home assessment
  • Honest advice on the right insulation for your roof
  • Vetted, insured local installers
  • A written quote within 24 hours
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023 8272 0731
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FAQs

Portsmouth loft insulation questions

How much does loft insulation cost in Portsmouth?

Topping a Portsmouth loft up to the recommended 270mm typically starts from around £250, depending on size, access and material. Your free survey gives you a fixed price with no obligation.

Can you insulate a small, low terraced loft?

Yes — most of Portsmouth is tightly packed Victorian and Edwardian terraces with small, low lofts and awkward hatches. It's exactly what we deal with day in, day out, and we tailor the material to the space.

My loft gets damp or condensation — can you help?

Often, yes. On the coast, trapped moist air is a common problem. We check the ventilation on every job and insulate so the roof space can still breathe, which keeps the loft dry.

Will insulating make my upstairs cooler in summer?

It helps a lot. A properly insulated roof slows the heat pouring down into the bedrooms, so island terraces that overheat in summer stay more comfortable.

How long does it take and how messy is it?

Most Portsmouth loft jobs are finished in a single day, and we leave your home clean and tidy.

Is the quote really free?

Yes — the survey and written quote are free and no-obligation. You only go ahead if you're happy.