Heat Pump & Boiler Specialists · London & EssexHeat Pump & Boiler Specialists · London & EssexHeat Pump & Boiler Specialists · London & EssexHeat Pump & Boiler Specialists · London & EssexHeat Pump & Boiler Specialists · London & EssexHeat Pump & Boiler Specialists · London & Essex

Gas Safe Registered · Established 2012

Heat Pump & Boiler Installation, Repair & Servicing in London & Essex

Whether you're moving to a low-carbon air source heat pump or need a new or repaired gas boiler, our Gas Safe registered engineers design, fit and maintain the right system for your home — with clear, fixed prices.

  • Air source heat pump installers
  • Gas Safe registered boiler engineers
  • Boiler Upgrade Scheme grant guidance
  • Trading since 2012 across London & Essex
  • Independently reviewed on Checkatrade

Gas Safe

Registered engineers

Since 2012

Established local firm

7am – 6pm

Seven days a week

Checkatrade

Independently reviewed

What we do

Heat pumps and boilers first — backed by full heating and plumbing

From a new air source heat pump to an emergency boiler repair, the work is carried out by the same Gas Safe registered team — no subcontractors passing the job along.

Heat Pump Installation & Repair

Heat Pump Installation & Repair

Air source heat pumps designed, installed and repaired — lower running costs, lower carbon, and eligible for the £7,500 Boiler Upgrade Scheme grant.

Learn more →
Boiler Installation

Boiler Installation

New combi, system and conventional boilers supplied and fitted to manufacturer specification, with the old system stripped out and the space left clean.

Learn more →
Boiler Repair & Servicing

Boiler Repair & Servicing

Fault diagnosis, parts replacement and annual servicing that keeps heating and hot water reliable through winter.

Learn more →
Central Heating Installation

Central Heating Installation

Full heating systems designed around your property — pipework, radiators, controls and commissioning.

Learn more →
HIU Installation & Repair

HIU Installation & Repair

Heat interface unit installation, servicing and fault-finding for flats on communal district heating networks.

Learn more →
Gas Safety Certificates & Landlord Checks

Gas Safety Certificates & Landlord Checks

CP12 landlord gas safety inspections carried out by a Gas Safe registered engineer, certificate issued on the day.

Learn more →
Powerflushing

Powerflushing

Magnetic sludge removal that restores radiator heat, quietens the system and protects a new boiler.

Learn more →
General Plumbing & Emergency Repairs

General Plumbing & Emergency Repairs

Leaks, burst pipes, blockages, taps, cylinders and no-heat call-outs handled quickly.

Learn more →
Air Conditioning Installation & Repair

Air Conditioning Installation & Repair

Split and multi-split air conditioning installed, serviced and repaired for homes and commercial units.

Learn more →
Bathroom Installation & Renovation

Bathroom Installation & Renovation

Full bathroom fit-outs from first fix plumbing to final seal, managed end to end.

Learn more →

Why homeowners and landlords call us

A straight answer, a fixed price and a system that works

Most heating problems are made worse by delay and guesswork. We diagnose the actual fault, tell you what it costs before we start, and complete the work to Gas Safe standards. If a repair is not the sensible spend, we say so — and show you what a replacement would deliver instead.

  • Gas Safe registered — card shown on arrival, every visit
  • Clear pricing agreed before any work begins
  • Boilers installed to manufacturer specification so warranties stand
  • Landlord CP12 certificates issued on the day of inspection
  • Property left clean, old equipment removed

Heat pump or boiler? We will advise honestly

Send a two-line description of the fault or the installation you need and we will come back with a clear next step and an honest estimate. No obligation, no pressure.

Open Monday to Sunday, 7am – 6pm.

Where we work

Covering East London and across Essex

Independent reviews

Verified by Checkatrade, not by us

Every review is left by a real customer and vetted independently. Read the full record before you decide who to let into your home.

Read our Checkatrade reviews
“Boiler packed in overnight and R1 had a new combi fitted the next afternoon. Clear price up front, no surprises, everything left spotless.”
Sarah M.Walthamstow · Boiler Installation
“Raheem diagnosed a fault two other engineers missed. Fixed the same visit and talked me through what had gone wrong.”
David K.Chelmsford · Boiler Repair
“We use R1 for CP12 certificates across six rentals. Always on time, certificates emailed the same day. Genuinely reliable.”
Priya S.Ilford · Landlord Gas Safety

Sample reviews shown while the live Checkatrade feed is connected.

Questions we are asked before every booking

Are your engineers Gas Safe registered?

Yes. All gas work is carried out by Gas Safe registered engineers, and you can ask to see the registration card on arrival.

Which areas do you cover?

We work across East London — including Ilford, Romford, Barking, Dagenham, Stratford and Walthamstow — and across Essex, including Chelmsford, Basildon, Southend-on-Sea, Brentwood, Colchester, Harlow and Grays.

How long have you been trading?

R1 Gas and Plumbing Ltd was established in 2012 and has been serving London and Essex households and landlords ever since.

What are your working hours?

We are contactable seven days a week from 7am to 6pm. Call for the fastest response.

Can I see independent reviews before booking?

Yes. Our verified customer reviews are published on our Checkatrade profile, which is linked throughout this site.

Get the heating sorted this week

Call for the fastest answer, or send the details and we will come straight back with an estimate.

Call now Free estimate