Contact
Locations

Richmond: 108-110 TW9 1UR,
Sheen Road, Richmond, UK.
Mayfair: 17 Hanover Square,
Mayfair, London W1S 1HU, UK.

Follow us

44 203 488 2049      info@11hour.co

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Guarantee

Our work carries a guarantee from invoices made after January 2020 which is valid for 1 year from the date of the work completed. Your invoice is your reference for your guarantee.

Full terms and conditions regarding your guarantee, are clearly stated on the back of our invoices and on the website.

Workmanship
Our work is covered by a year guarantee against faulty workmanship.

Materials
Materials supplied by 11th Hour will be covered by manufacturers’ warranties.

Boilers
The manufacturer’s warranty for the boilers ranges from 1-7 years depending on the make of the boiler.

Insurance
We are covered by 5 million indemnity insurance for your peace of mind.

Non-guaranteed
Some work/repairs that have been carried out may not be able to be guaranteed and will be marked on your invoice in the non-guaranteed box.