Frequently asked questions

I’m not sure if I have a CIGA guarantee what should I do?

Contact CIGA on 01525 853300 or email

Do I need to have a copy of my CIGA guarantee to raise a concern?

No you don’t need to have a copy of the guarantee. If you have concerns about your cavity wall insulation and it is covered by a CIGA guarantee see ‘How to raise a concern’ for the next steps. If you have any questions about your concern email

I can’t find the original CIGA guarantee and I want to get a replacement copy, what should I do?

Contact CIGA on 01525 853300 or email For security purposes you will need to provide proof of residence. In the case of third party representation, written consent from the home owner providing permission for representatives to act on their behalf. There will be a fee of £25.00 including VAT

If I have Cavity Wall Insulation does that mean I will automatically be covered by a CIGA guarantee?

No, your insulation may be covered by another guarantee provider.

Other guarantee providers of Cavity Wall Insulation

  • BUFCA ECO BASF Walltite CV 100 Guarantee
    BUFCA ECO Technitherm Guarantee
    Phone: 01482 388597
  • The Green Deal & Eco Guarantee Company
    Phone: 08453 400 523

I have problems with my Cavity Wall Insulation but my installer didn’t register for a CIGA guarantee even though they were a CIGA member at the time. Can I get a guarantee now?

Previously if an installer had not applied for a guarantee for an installation carried out between 1995 and prior to 1st January 2012 CIGA would issue a free guarantee and undertake works under the guarantee. This was on the condition that the Installer was a member at the time and the production of certain evidence was available.

This was a practice unique to CIGA and no other guarantee provider and by no means a requirement.

It is appreciated that a number of homeowners will have had their property insulated on the understanding that they would have been issued with a 25 year guarantee however due to the practice of installer companies offering alternative guarantees and not making payment for a CIGA guarantee it is no longer appropriate to service claims when a guarantee has not been purchased. (Please see the list above for alternative guarantee providers)

CIGA recommends that any householder that does not hold a CIGA guarantee and wishes to seek redress should first check their property against other guarantee providers. If there is no guarantee contact their local council’s Building Control, the Energy Regulator or the Citizens Advice Bureau for guidance.

I want to sell my house and can’t find my CIGA Guarantee, what should I do?

CIGA can provide confirmation of cover or a duplicate Guarantee for sellers who have not been able to produce the original Document. Find out more about Change of Ownership

I have had insulation installed and want to renovate my home e.g. new windows, extension etc. Will this affect my insulation?

Before you have any work carried out on your home it is always worth taking the time to go through a few checks on the company due to carry out the work. Poor workmanship can result in damage to your property and the insulation resulting in your CIGA guarantee being void. Find out more

How do I make sure that the insulation in my home is working effectively?

Keeping your home in good condition will mean that your insulation works effectively and keeps your home warm. Find out more about looking after your property after cavity wall insulation has been installed.

I have cavity wall insulation and I have condensation/ mould in my home, does this mean I have problems with my cavity wall insulation?

Not necessarily, find out more on recognising the causes of and how to remedy condensation problems

I think I have a problem with my insulation and have been told I can claim compensation, should I sign up?

Although the promise of compensation may sound enticing, Trading Standards and CIGA would urge consumers to consider this route very carefully and thoroughly research the company offering their services. Find out more about cold callers and claims companies

Someone has come to my door saying they are from CIGA but I haven’t contacted them, is this right?

No – Recently there have been disturbing reports of individuals door knocking and claiming to be representatives of CIGA. A CIGA inspection will always be prearranged with you through the head office. Find out more