Scores based on 80 reviews

Reliability & timekeeping

Invoice history based on 65 reviews.

Invoice History
Charged as per quote / estimate100%
Appointments reported as missed (6 months) 0
Average score 9.91
80 reviews
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At Grant John Services we specialise in the installation of modulating

heating controls, increasing comfort levels as well as saving energy 

and extending system life. 

Our aim is to always please the requirement which are expected from

Big to small.

We offer the following services:

  • Full central heating installations (conventional and combination systems)
  • Solar Water Heating Installation and repair
  • New boiler installations
  • Energy efficiency advice
  • Fault-finding diagnostics for boiler breakdown repairs
  • Boiler servicing
  • Landlord Certification
  • Radiator replacement, updating system controls, pipe work repairs
  • Under floor heating installed
  • Power-flushing central heating system
  • Unvented cylinder installation
  • Open vent cylinder installation 
  • Modulating controls upgrade
  • Fire installation
  • Cooker installation
 Other services:
  • General plumbing
  • Electric showers
  • Pumped showers
  • Shower pumps
  • Taps

Please don't hesitate to get in touch today

Based in

Hollywood, Birmingham, B47 5DN

Works in

Birmingham, Solihull, Redditch, Rowley Regis, Manchester, Worcestershire