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Greater London · TW3, TW4, TW5

Internal Wall Insulation in Hounslow

Hounslow, Heston and Cranford are a mix of post-war estates and 1930s suburban semis. Most properties here are cavity-walled, so the priority is usually loft top-ups, cavity-wall checks and suspended-floor insulation rather than EWI.

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PAS2030-19 CertifiedTrustMark Approved20+ Years Experience

Why Hounslow homes benefit from internal wall insulation

Real comfort improvement

Most Hounslow homes lose 25-35% of their heat through uninsulated walls or roofs. Internal Wall Insulation cuts that loss dramatically and eliminates the cold spots and draughts that drive heating costs up.

Lower bills

A typical 3-bed home sees £300-£700 a year in heating bill savings depending on starting point and tariff. Depending on the measure, payback periods of 5-15 years are typical — with loft and floor insulation paying back fastest.

Adds value

Energy Performance Certificates feed directly into property valuations. Lifting an EPC band — common after this work — typically adds 1.5-3% to a home's sale price.

How we work in Hounslow

A clear, honest, no-pressure process from first call to final sign-off.

1

Free survey

We visit your Hounslow property, measure up, and assess wall and roof construction.

2

Written quote

A clear fixed-price quote within 24 hours, broken down by labour, materials and any extras.

3

Installation

PAS2030-certified installation by our own trained team — no subcontractors.

4

Sign-off

Manufacturer-backed guarantee, TrustMark paperwork, and aftercare contact.

Free survey for Hounslow homeowners

Book a free, no-obligation survey of your Hounslow property and we'll send a clear, fixed written quote within 24 hours — PAS2030-19 certified, TrustMark registered, installed by our own trained team.

Get a free quote

Frequently asked questions

How much does internal wall insulation cost in Hounslow?
Pricing varies by property size, access and chosen materials. As a guide, expect £50-£140 per m² for full-system jobs. Every quote is free, fixed and includes labour, materials, scaffold (where needed) and making good — no surprises.
Do you handle planning permission for internal wall insulation in Hounslow?
Internal Wall Insulation usually falls under permitted development, but conservation areas (parts of Hounslow are typically affected) and listed buildings need consent. We'll check your address against Greater London planning records during the survey and, where required, prepare drawings and submit on your behalf.
Are you certified to install internal wall insulation?
Yes — PAS2030-19 and TrustMark accredited, fully insured, and members of the relevant manufacturer-approved installer schemes (Kingspan, ROCKWOOL, SWIP, STEICO, Celotex). All work is backed by a written guarantee.
Will the work disrupt my Hounslow home?
We minimise disruption by working in clearly defined zones, using dust-suppression methods, and protecting floors and furniture. For external work, scaffolding is the only outward sign — internal work is contained to one or two rooms at a time.

Explore our insulation services

Detailed guides to each service, plus the full list of areas we cover across Greater London and the wider South-East.

External Wall InsulationInternal Wall InsulationLoft & Roof InsulationFloor InsulationAll areas we cover

Get a free quote for Hounslow

Leave your details and we'll call you back within one working day to arrange a free survey.

We typically respond within a few hours during working hours.