Cavity Wall Insulation Crawley, Sussex
Cavity Wall Insulation Crawley & Sussex — Areas We Cover
Cavity Wall Insulation
You can expect to save around £300* per year on your energy bill (based on a gas-heated semi-detached home) rising to £520* per year (based on a gas-heated detached home).
The Climabeads are installed using a bonding agent; this is a water-based acrylic emulsion which comes ready made in the form of 25 Litre plastic drums or 1 tonne IBC containers. There are two types of bonding agent, “summer mix” and “winter mix’”.
The summer mix needs to be stored and used in temperatures between 5°C – 20°C, whereas the winter mix can be stored and used in temperatures between -5°C – 10°C. Our cavity wall insulation Crawley service covers all of West Sussex, Surrey and Kent.
External Wall Insulation
Additionally, there are aesthetic benefits to consider; the insulation can be finished in various materials such as render, pebble-dash, cladding, or brick slips, enhancing your home’s exterior look and increasing its overall value. External wall insulation is a smart choice for energy efficiency and curb appeal.
Internal Wall Insulation
Internal wall insulation is suitable for homes constructed from solid walls (as opposed to cavity walls).
You can expect to save around £410* per year on your energy bill (based on a gas-heated semi-detached home) rising to £710* per year (based on a gas-heated detached home).
Party Wall Insulation
We can insulate your party wall quickly and easily using our special ‘Climabead Party Wall Insulation System’, developed by EvoBead.
Insulating the party wall reduces noise between houses, keeps your home warmer and saves money on your energy bills.
Flat Roof Insulation
The level of savings will depend on the size of your flat roof and will be explained during our home visit but indicative savings are around £285 per year*.
Loft Insulation
Loft insulation installed by Electrotec is the best quality and will last for over 40 years with no loss of efficiency.
You can expect to save around £285* per year on your energy bill (based on a gas-heated semi-detached home) rising to £475* per year (based on a gas-heated detached home).
Cavity wall insulation Crawley grants and funding in 2026
Many homes in Crawley, Sussex and Surrey qualify for fully or partly funded cavity wall insulation through schemes such as ECO4 and GBIS and the Warm Homes Plan. Eligibility usually depends on your energy performance rating and household circumstances, and we check it for you as part of a free survey. If your home was built between the 1920s and the 1990s with unfilled cavity walls, there is a good chance you qualify for support.
Why insulate your cavity walls?
Around a third of the heat lost from an uninsulated home escapes through the walls. Filling the cavity is one of the cheapest improvements you can make for the saving it returns, and the Energy Saving Trust rates it among the most cost effective energy upgrades for a typical home. It also makes rooms feel warmer at the same thermostat setting and helps reduce condensation on cold external walls.
Surveyed and installed properly
Cavity wall insulation only performs when the wall is suitable, which is why every job starts with a borescope inspection of the cavity. We check for debris, damp and previously failed insulation before anything is installed. Electrotec is a KIWA Trusted Partner for cavity wall insulation and a PAS 2030 certified retrofit contractor, registered with TrustMark, so funded installations are independently audited and guaranteed.
One visit, whole home savings
Because we also install loft insulation, solar and heating upgrades, one survey can cover everything. Plenty of our cavity wall insulation Crawley customers add solar panels at the same time and cut their bills from both directions.
Book your free cavity wall survey. Call 020 7438 2020 or send us a message and we will check your funding eligibility, inspect the cavity and give you a fixed price with no obligation.
