Endorsed by Which?

Gregor Heating

4.9

479 Reviews

Opening Hours
Today -
  • Monday 08:00–17:00
  • Tuesday 08:00–17:00
  • Wednesday 08:00–17:00
  • Thursday 08:00–17:00
  • Friday 08:00–17:00
  • Saturday - Closed
  • Sunday - Closed

Why you can trust this trader

After undergoing rigorous assessment to become endorsed, every Which? Trusted Trader agrees to our Code of Conduct. This gives consumers the reassurance that they have the best possible protection and adds an extra layer of security to ensure best practices and procedures are followed. Which? fully investigates any breaches and will take any necessary action to ensure consumer protection.

Organisations and Awards

JULY 2025
Mar 2020

About

Our goal is to be your first choice provider of heating solutions and services.

Whether you’re looking for a new boiler, a boiler service or to install a renewable technology such as a Heat Pump or Solar PV we can help. We guarantee you'll be well looked after by our friendly Customer Service Team and our FREE expert survey will ensure you make the right choice.

On-site our experienced Gas Safe registered engineers take real pride in their work and always deliver a pro service you can trust. There’s no question of cutting corners and we always arrange our work at a date and time that suits you to cause the minimum disruption.

Competitive prices and finance options are available.

Call us today on 0117 935 2400 for cost-effective heating solution and services you can trust

We're not happy until you're happy. That's our promise and the Gregor Guarantee.

What we do

  • Boiler, central heating and gas engineers

    • Boiler installation
    • Boiler servicing
    • Boiler repair
    • Radiators and central heating
    • Gas safety testing and inspection
    • Immersion Heaters
    • Power flushing
    • Underfloor heating
  • Heating contractors

    • Central heating systems (installation and servicing)
    • Oil fired heating equipment
    • Immersion Heaters
  • Renewable energy

    • Air source heat pumps
    • Ground source heat pumps
    • Solar panels
    • Solar water heating
    • Home energy analysis
    • Solar Panel Maintenance
    • Battery storage
  • Electricians

    • Electrical installations
    • Electrical repairs
    • Electrical testing services
    • Fuse boards
    • Landlord safety certificates
    • Rewiring
    • Outdoor electrical wiring
    • Electrical emergency services
  • Smart Homes

    • Home automation
  • Lighting contractors

    • Security & Emergency lighting installations
    • Emergency lighting
    • LED lighting
    • Lighting LED upgrades
    • Outdoor lighting
  • More Services

    • installation of smart heating controls
    • heating contractors

Customer reviews

Why you can trust these reviews

All reviews are verified as being genuine and a true customer of this trader.

How can we be so sure?

100% of the reviews we publish have been through our stringent moderation process.

4.9
479 reviews
Customer Service
4.9
Quality
4.9
Value
4.8
Sort by
Combi installation
Customer Service
Quality
Value
We were totally impressed with the excellent service which we received from Gregor. Special recognition should be given to Craig Maslin, the fitter, who was extremely thorough and his attention to detail was exemplary. We would recommend Gregor to anyone wishing to change their heating system.
Susan, Avon Posted on 22/06/2017 , work completed 22/06/2017
Highly professional
Customer Service
Quality
Value
Very helpful, highly professional. 10/10
Adel, Gloucestershire Posted on 21/06/2017 , work completed 21/06/2017
Excellent work.
Customer Service
Quality
Value
All work carried out on time with minimum of disruption. Engineer Mark, courteous, thoughtful & skilled. Very satisfied.
Adrian, Avon Posted on 19/06/2017 , work completed 19/06/2017
Brilliant 110%
Customer Service
Quality
Value
Arrived on the Thursday, got straight on with the job. Mark was fully professional in his work, caused no hindrance to the family, very pleasant to get on with, cleaned up after himself, exclaimed to me the workings of the boiler and thermostat. In total, a fully professional job. Thankyou Gregor Heating, and to you Mark. Kind regards.
Clint, Avon Posted on 16/06/2017 , work completed 16/06/2017
Professional
Customer Service
Quality
Value
Highly recommended, efficient service from engineers & call service staff.
Linda, Avon Posted on 12/06/2017 , work completed 12/06/2017
Very professional
Customer Service
Quality
Value
Had new Vaillant boiler installed by Gregor Heating 4 years ago and serviced each year by them. Always been pleased by the service provided. Prompt, courteous and thorough.
Barry, Wiltshire Posted on 09/06/2017 , work completed 09/06/2017
Brilliant job
Customer Service
Quality
Value
Mark & John very tidy workmen. Would certainly recommend them.
Margaret, Avon Posted on 07/06/2017 , work completed 07/06/2017
Very good
Customer Service
Quality
Value
It couldn't have been easier. They gave a quote and stuck to it. The work was done professionally with no mess or problems on the days agreed. Options were clearly laid out and priced.
Chris, Avon Posted on 01/06/2017 , work completed 01/06/2017
Very Impressive
Customer Service
Quality
Value
From making our first phone call to Gregor's right to completion we were extremely pleased with the service. Every member of Staff we spoke to were friendly and professionally, it was a great Company to do business with. Our Engineer's Ashton and Joe were great, very professional , hard working and polite. Thumbs up continue doing what you are doing. You deserve great success. Thank you.
Anne63 Posted on 25/05/2017 , work completed 25/05/2017
Proper job
Customer Service
Quality
Value
Gregor did a very competent job of replacing our tired boiler, immersions tank and a couple of radiators-just what we wanted.
John, Wiltshire Posted on 23/05/2017 , work completed 23/05/2017