We operate nationwide with an office in Earlsfield in South-West London. If you want to ask us about anything we do, or to tell us about your retrofit project, please don’t hesitate to get in touch using the following details:

Telephone: +44 (0)208 874 6433


Address: Unit A233, Riverside Business Centre, Haldane Place, London, SW18 4UQ

Alternatively, simply fill in the contact form below and we’ll be in touch as soon as we can. If you have an enquiry about a specific service, you can also use our households enquiry form, or professionals enquiry form.



Parity Projects Ltd. Registered Address:  378 Garratt Lane, London, England, SW18 4HP. Company No: 05557883. VAT registration number 972 5747 79.