The South East’s specialist home insulation company
- Get a free next-day survey
- Get a fixed price for loft insulation
- Add value to your home and cut fuel bills
- Join 10,000+ happy homes by choosing Viridian
Cavity wall insulation
Loft insulation
Loft cleaning
Loft insulation and boarding
Cavity wall insulation
Removal of spray foam from loft
Cavity wall insulation
Loft insulation
Loft boarding and new loft insulation
Removal of cavity wall insulation
Cavity wall insulation
Home insulation services
Not sure what you need?
No problem, just get in touch with us and we’ll be happy to help. Contact us on info@viridian.co.uk or by calling 01233 659111 | 01233 659113.
Or you can always:
What to expect
We take pride in delivering professional, stress-free services, with no fuss and no mess.
Send us a request
Use our online form to request a free survey, and we’ll contact you to arrange a suitable date and time. If you have opted for one of our loft packages (excl. Platinum), then a survey won’t be necessary!
Book a free survey
We do the survey
One of our qualified surveyors will conduct a short suitability survey (45 minutes to 1 hour). They’ll work out the best insulation solution for your home and provide you with a no-obligation quote.
Find out more
We carry out the work
When you give us the go-ahead, we’ll undertake the insulation work, and any extra services you’ve asked us for. Our professional team will ensure an expert, mess-free installation process.
Are you a local authority, housing association or private landlord?
We regularly work with housing providers and their tenants, and we ensure that your property is EPC-compliant. By prioritising energy efficiency, we help to keep your costs down while ensuring comfort for your property’s occupants
Discover more on our blog
Frequently asked questions
How much money will I save on my fuel bill by insulating my cavity walls?
It is estimated that cavity wall insulation installed in a detached house could save you over £410 per year (source: Energy Saving Trust, 2025).
How much money will I save on my fuel bill by insulating my loft?
It is estimated that 270mm of loft insulation installed in a detached house could save you over £380 per year (source: Energy Saving Trust, 2025).
How does insulation affect my property’s EPC rating?
Installing insulation in your property is one of the simplest and most effective ways to improve its EPC rating. Boosting it increases the energy efficiency of your home which allows you to save £££ on fuel bills. According to government data, it also adds up to 14% more value to your property, making it attractive in the eyes of prospective tenants or buyers.
How long does it take to install cavity wall insulation?
It depends on the size, shape and layout of your property, but we usually complete insulation within a day, even for larger properties.
How long does it take to install loft insulation?
It will depend on the size, shape and layout of your loft, but we usually manage to complete insulation within a day, even for larger properties.
How do you calculate the price of insulation?
For small areas and our loft package deals, we will quote you a fixed price. For cavity wall insulation of a complete home or property, we calculate prices based on how many square metres need to be insulated, and how complex the installation will be. Your surveyor will be happy to review and explain our pricing if you have questions.
