Scores based on 18 reviews

Reliability & timekeeping
 
9.78
Tidiness
 
9.78
Courtesy
 
9.83
Workmanship
 
9.89

Invoice history based on 6 reviews.

 
 
 
Invoice History
Charged as per quote / estimate83.33%
Above quote / estimate: kept informed16.67%
Appointments reported as missed (6 months) 0
Average score 9.82
18 reviews
  • Interviewed by Checkatrade
  • 2 accreditations checked
  • Insurance checked
  • ID checked
  • Address checked
  • References checked
  • VAT registered
  • Checkatrade standard signed

HARMER 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. With over 30 years’ experience, Gas Safe registered and Stroma certified you can be sure that our service is safe and to a very high standard.

We are happy to work on any size of job – from a dripping tap to a full central heating system installation – no job is too big or too small. We pride ourselves on our customer service, and take care to ensure customer satisfaction in every job that we do.

We specialise in boiler repair and installs. We are accredited installs for Vaillant, Worcester and Ideal and can offer warranty of 7 year + on new boiler installs. 

Works Undertaken by HARMER

Gas and Heating:
 

  • Appliance installation
  • Appliance repair
  • Appliance servicing
  • Boiler fault finding
  • Boiler installs
  • Boiler repairs
  • Boiler servicing
  • Central heating controls
  • Central heating installations
  • Central heating pumps
  • Central heating repairs
  • Emergency 24 hour service
  • Gas repairs
  • Gas testing & certificates
  • Immersion heaters
  • Radiator bleeding
  • Radiator installs
  • Radiator leaks
  • Radiators noise
  • Thermostats
  • Thermostatic valves
  • Power flushes
  • Vaillant Major/Preferred Installer
  • Vented and unvented cylinders
  • Worcester Preferred Installer

Plumbing: 
 

  • Airlocks
  • Ball valves
  • Bathroom refurbishment
  • Bidets
  • Blocked toilets, sinks pipes & drains
  • Burst pipes
  • Floods
  • Gutters & downpipes
  • Hot cylinder installations
  • Hot water problems
  • Immersion heaters
  • Kitchen refurbishment
  • Leaks
  • Overflows
  • Pipework replacement
  • Plumbing installations
  • Pumps
  • Radiator & values
  • Repairs
  • Saniflo repairs & installs
  • Showers & pressure adjustments
  • Stopcocks
  • Tap repairs & installations
  • Thermostat problems
  • Toilet repairs & installs
  • Unvented water cylinders
  • Waste disposals
  • Water heater repairs & installs
  • Water tank installs
  • Wet room refurbishment

Electrical services:
 

  • Additional sockets
  • Circuit board installs
  • Circuit breaker repairs
  • Complete and partial rewiring
  • Consumer unit replacements
  • Cooker points
  • Domestic appliances
  • Door entry systems
  • Earthing ports and bonding
  • Electric heaters
  • Electric radiators
  • Electrical fault finding
  • Electrical repairs
  • Emergency 24 hour service
  • Emergency lighting
  • External lighting
  • Fuse box replacements
  • Fused spurs
  • Garden lighting
  • Heating controls
  • Immersion heaters
  • Lighting design
  • Lighting installations
  • Lighting repair
  • Lighting-low voltage
  • Portable appliance testing (PAT)
  • Power shower installations
  • Rewiring
  • Security lighting
  • Sockets
  • Switches
  • Testing and inspections
  • Towel rails
  • Transformers
  • Tripping circuits
  • Water heaters


 

Based in

Cheshunt, Waltham Cross, Hertfordshire, EN7 6AD

Works in

Hertfordshire, London, Essex