FREE

Internal Wall Insulation Grants

in London

Enhance your home’s energy efficiency and comfort with our Internal Wall Insulation Grant in London. We carry out the work and cover all expenses with a 100% government-backed grant.

Apply Now for The 100% FREE
Internal Wall Insulation Grant

Apply Now & Get Free

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For the first 100 applicants!

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Don’t miss out! For a limited time, get a FREE video doorbell and outdoor camera installation — a £249 value — absolutely free! Whether you’re exploring insulation grants or looking to boost energy efficiency, this offer is made for you.

Smart, Safe & Energy-Saving

Make your home more secure and energy efficient with our smart upgrades. Tailored to your needs, they bring comfort, security, and savings together.

Why You Should Apply for Internal Wall Insulation Grants

Without Insulation:

With Insulation:

What Our Clients Say

How We Make It Simple for You

ELIGIBILITY

Determine if you’re eligible for 100% FREE Internal Wall Insulation based on income, government benefits, and your home's energy rating.

EXPERT SURVEY

Get a professional survey with a certified assessor who will evaluate your home’s insulation needs and offer tailored recommendations.

INSULATION

We install the best internal wall insulation to improve comfort, reduce heat loss, and make your home more efficient.

Advantages of the Internal Wall
Insulation Grant in London for You!

Adding insulation to your internal walls creates a thermal barrier that keeps your home warmer in winter and cooler in summer. We use internal wall insulation boards made from high-quality, durable materials to effectively reduce heat loss. With this solution, you’ll save money on energy bills, boost your property’s value, and improve ventilation.

Reduce Energy Bills

Thermal insulation boards for internal walls cut energy costs by up to 30%

Enhance Comfort

Stay cosy in winter, cool in summer.

Boost Property Value

Make your home more marketable and energy-efficient.

Reduce Damp and Mould Risk

Helps prevent condensation build-up, reducing damp patches and mould growth inside your home.

Who Can Apply?

Receiving Benefits

You may qualify for solid wall insulation internal upgrades if you receive Universal Credit, Pension Credit, or Child Tax Credit.

Low-Income Households

If you're on a low income and your home is energy inefficient—even without benefits—you may be eligible.

Homeowners & Tenants

Both homeowners and private tenants (with landlord permission) can apply. Your home must have an EPC rating of D, E, F, or G.

Why Apply Now?

Limited Funding

These grants operate on a first-come, first-served basis. Apply early to maximise your chance of approval before funding runs out.

No Upfront Costs

Start your internal wall insulation upgrade with zero upfront payments—no hidden fees, just real savings.

Expert Guidance

Our experienced team guides you at every step, from checking eligibility to completing installation, for a hassle-free process.

Save on Energy Bills

Improve your home’s energy performance and reduce monthly heating costs through smart insulation solutions.

How Internal Wall Insulation Works

Insulation inside wall helps make your home more energy efficient and comfortable all year round. It works by reducing heat loss and slowing down temperature changes indoors. We install internal insulation for solid walls, which absorbs warmth from the outside during the day and keeps the heat from escaping. This helps your home stay warmer in winter and cooler in summer. It also improves how your interior walls look. To maintain healthy airflow, we check your ventilation and upgrade extractor fans if needed. Overall, insulating internal walls is a smart way to lower energy bills and improve indoor comfort.

Our Projects

Ventilation Upgrades with IWI

As part of our Internal Wall Insulation service, we improve your home’s ventilation to ensure long-term comfort and air quality.

These upgrades help prevent damp, mould, and poor air quality after insulation.

FAQs

Low-income households, those on benefits, and homes with an EPC rating of D–G.

It’s a method of insulating inside-facing walls to reduce heat loss and improve comfort.

It retains warmth in winter, keeps rooms cooler in summer, and lowers energy bills.

Yes, if you qualify under the ECO4 scheme, installation is fully funded.

We offer alternative energy-saving solutions or can re-assess if your circumstances change.

Most installations are completed within 3–5 days, depending on property size.

Get £10,000 in free insulation with the Internal Wall Insulation Grant if you meet income criteria. Apply now before it's too late!

Check Your Eligibility

Find out if you are eligible for 100% FREE energy efficiency upgrades

Thank you for your enquiry with regard to the Eco4/ LA Flex Grant scheme.

We’re delighted you’ve got in touch, and you’re now one step closer to making your home more energy efficient.As you can appreciate, this government backed scheme is extremely popular, especially as the weather gets colder along with rising energy prices.

Please rest assured, we will get back to you just as soon as we possibly can and get you booked in for a free survey.So that you can enjoy your energy efficiency saving measures as quickly as possible.
All this can happen within 3-4 weeks of filling in our enquiry form.