Harmer Services

Plumbing, Heating, Electrical & Gas

London - Hertfordshire - Essex

Gas Safe Registered
NAPIT Certified logo
Gas Safe Registered
NAPIT Certified logo

Plumbing, Heating,
Electrical & Gas Engineers

Covering London, Hertfordshire and Essex

Harmer Services Ltd is a highly experienced and professional plumbing, heating, electrical and gas company. We are based in London covering the whole of London, Hertfordshire and Essex.

We specialise in boiler repair and installs. We are accredited installers for Vaillant, Worcester and Ideal and can offer 10+ year warranties on new boiler installs.

Gas Safe Registered
NAPIT Certified logo


Blocked Pipes / Blocked Drains / Bathroom Refurbs / Hot Cyclinder Installs / Pumps / Stopcocks


Servicing / Boiler Installs / Central Heating Controls / Radiator Installs & Repairs / 24/7 Emergency Repairs


Circuit Board Installs / Electrical Heaters / Door Entry Systems / Fault Finding / External Lighting


Gas Repairs / Gas Testing / Certificates / Emergency Repairs / Immersion Heaters / Servicing

Why Choose Us?

We are experts in our field and we take pride in all sized projects from dripping taps to complete central heating system installations. Plus we are Gas Safe registered, Stroma Certified and we specialise in Valliant, Worcester & Ideal and offer 10+ year warranties.

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