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!!!Important Announcement!!!

We have now closed our free insulation offer to new customers. 

You may still be able to get free insulation for your home if you contact your gas or electricity supplier direct.

If you are an existing customer with a query about your referral you can contact us on 01908 699923.

cocoon your home with our free, impartial, not-for-profit service

  • "Impressed with speed it was installed and no mess was made"

    Mrs Nichols, Buckingham

  • "Excellent. Nice lads"

    Mr Farragher, Gerrard Cross

  • "Very impressed. Prompt and personable"

    Mr Seymour, Watford

  • "Pleasant and courteous. I'm really impressed"

    Mrs Goodall, Romsey

  • "Excellent, I'm very happy. Brilliant work, very tidy and polite"

    Mr Egglesfield, Aylesbury

  • "Absolutely superb. So clean, tidy and very helpful"

    Mrs Russell, Portsmouth

  • "Seeing the benefits already. Very friendly installers"

    Mr Anderson, New Milton

  • "1st class service. Great installers"

    Mr Oakenfull, Southampton

  • "Brilliant. 1st class service"

    Mrs O'Hara, Leighton Buzzard

news blog

Cocoon Insulation Closes for new Customers

Cocoon Insulation Closes for new Customers read more...

Compare local cavity wall and loft insulation prices in minutes - insulation grants, deals and offers are available now.

Make hay now with Green Deal on the Horizon

The governments new energy efficiency funding mechanism, the Green Deal, is on the horizon but householders can make hay while the sun shines with the last few months of free and subsidised insulation. read more...

Sunset in MK

Milton Keynes energy weekend throws low carbon spotlight on saving money

Local residents can take part in an interactive weekend packed with ideas on saving money and energy as Milton Keynes Council is organising an exciting energy event at Midsummer Place on 16 -17 June as part of the European Union's Sustainable Energy Week read more...

Cocoon is operated by United Sustainable Energy Agency - a not for profit company. Registered in England No. 3553525.

+terms and conditions apply

Free insulation available for standard Cavity Wall Insulation and Loft Insulation where existing loft insulation is less than 60mm in thickness. Loft top-ups from 60mm - 150mm of existing loft insulation costs £159. Extra charges will apply for the fitting of walk boards, storage platforms and scaffolding (if required). You may also be charged extra if your house exceeds maximum square area limits for your property type. You will be provided with a full quote detailing any additional charges before the installation commences.