- Hours
- Callouts around the clock
- Phone
- 020 7062 2891
- Website
- harmerservices.comUnverified profile
- Listing checked
- 2026-10-10
About Harmer Services Ltd
Harmer Services Ltd is a plumbing, heating, electrical and gas company based in London. It covers London, Hertfordshire and Essex. The business carries out boiler repair and installation, central heating system installation, radiator installation and repair, servicing, blocked pipes and drains, bathroom refurbishment, hot cylinder installation, pumps, stopcocks, central heating controls, circuit board installation, electrical heaters, door entry systems, fault finding, external lighting, gas repair, gas testing, certificates, immersion heaters and 24/7 emergency repairs for heating and gas.
Harmer Services Ltd is Gas Safe registered and NAPIT certified. The business is an accredited installer for Vaillant, Worcester and Ideal boilers. It operates a 24/7 emergency hotline. Jobs range from a dripping tap to a full central heating system installation.
The business has over 30 years' experience. Work begins with a visit to understand the issue, and a time is arranged to return and complete the job. Underfloor heating can be laid, and old boilers and storage tanks are removed and replaced with modern systems. Radiators are installed throughout properties, and floorboards are left neat after work is finished. Teams work to complete jobs in a single day when possible.