Insulation Installation

Home Insulation — Reduce Bills and Improve Comfort

Up to a third of UK home heat is lost through poorly insulated walls, roofs, and floors. GeraHome insulation installers assess and install loft insulation, cavity wall insulation, and solid wall insulation to cut bills and improve comfort.

Book Insulation Installation Now How It Works

What's Included

Every insulation installation booking on GeraHome covers the following:

Loft and roof insulation — mineral wool, rigid board
Cavity wall insulation — EPS bead, mineral wool, polyurethane foam
External solid wall insulation
Internal solid wall insulation
Underfloor insulation — suspended timber floors
Flat roof insulation
Insulation survey and energy performance assessment
ECO4 grant eligibility assessment

How It Works

Booking insulation installation on GeraHome is simple and transparent.

Describe your home

Share your property type, age, and current insulation level. We can assess grant eligibility.

Survey

An insulation specialist surveys your home, measures heat loss, and recommends the most cost-effective improvements.

Installation

Insulation installed cleanly and to manufacturer specification.

EPC improvement confirmed

Your EPC rating improves, bills fall, and you receive documentation for any grants claimed.

Pricing Guide

How much does insulation installation cost? Here is what to expect.

Typical Price Range

£300 – £15,000+

Starting from £300

What Affects the Price

Insulation type — loft vs. cavity wall vs. solid wall
Property size and construction type
Existing insulation level
ECO4 and other grant eligibility reduces cost significantly
Your location

Tip: ECO4 government grants may cover some or all insulation costs for eligible households. Ask your installer about eligibility.

View full pricing breakdown for all services →

How to Prepare for Your Insulation Installation Service

A few simple steps to ensure you get the best experience:

1Clear loft of stored items if loft insulation is being installed
2Note if your property has cavity walls or solid walls (check the brick bonding pattern)
3Have energy bills handy for the ECO4 grant eligibility assessment
4Check if your property is listed — some insulation types require consent

What to Expect

Here is what happens when you book insulation installation through GeraHome:

Duration

Loft insulation takes half a day. Cavity wall insulation takes 1 day. External solid wall insulation takes 1–2 weeks.

Disruption

Loft and cavity wall insulation have minimal interior disruption. External wall insulation is more disruptive.

Returns

Good insulation reduces heating bills by 20–40% and improves EPC rating significantly.

Tips for Getting the Best Insulation Installation Service

Loft insulation is the highest ROI insulation improvement — from £300 with 2–3 year payback

Check ECO4 grant eligibility — free or subsidised insulation for eligible households

Improve insulation before buying a new boiler — a smaller boiler is all an insulated home needs

Combine multiple insulation types for maximum EPC improvement if selling

Safety & Trust

Your safety is our top priority. Here is how we ensure every insulation installation experience is trustworthy:

TrustMark registered insulation installers

Products certified to British Standards

Proper vapour barriers installed to prevent condensation risk

Background-checked and insured through GeraHome

Frequently Asked Questions About Insulation Installation

What is the most effective home insulation?

Loft insulation offers the best return on investment — cheap to install, easy to retrofit, and significant heat savings. Cavity wall insulation is also highly effective for most post-1920 properties.

What is the ECO4 grant?

ECO4 is a government scheme where energy suppliers fund free or heavily subsidised insulation and heating improvements for eligible low-income or energy-inefficient homes.

How much does cavity wall insulation cost?

Cavity wall insulation costs £400–£1,000 for a standard 3-bedroom semi. ECO4 grants can cover the full cost for eligible households.

Does my house have cavity walls?

Most UK properties built after 1920 have cavity walls. Check the brick pattern — if bricks are all the same length (stretcher bond), you likely have cavity walls.

Trusted & Guaranteed on GeraHome

Every insulation installation booking on GeraHome is backed by verified providers and a capped limited service guarantee.

Protected by Gera Action Warranty

Eligible insulation installation bookings receive a signed action receipt and are covered by a capped limited service guarantee — not insurance. If something goes wrong, you have a clear, documented claim path.

Learn about the action warranty →

Providers Hold a Gera Services Passport

Warranty-eligible insulation installation providers hold an active Gera Services Passport — a verified trust badge confirming identity, qualifications, and background checks appropriate to their category.

Learn about the Gera Passport →

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Are You a Insulation Installation Professional?

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