Who came up in Northampton
Every company the assistant named across the six questions, ordered by how often it was picked first. Tested on 2026-09-29.
| Company | Picked first | Picked |
|---|---|---|
| THS Plumbing & Heatingthsplumbingheating.co.uk | 5 of 6 | 6 of 6 |
| RJB Heating & Plumbing Ltdrjbheating.com | 1 of 6 | 2 of 6 |
| 1st Gas Engineers Ltd1stgas.com | 0 of 6 | 3 of 6 |
| County Gas Servicescountygasservices.co.uk | 0 of 6 | 3 of 6 |
Question 1 of 6
“My boiler's stopped working. Who can fix it this week in Northampton?”
Picked
- FirstTHS Plumbing & Heating
“It advertises same-day boiler repairs across Northampton seven days a week, with Gas Safe registration and a 12-month parts and labour guarantee.”
- #2County Gas Services
“Its Northampton boiler repair page describes quick repairs and emergency call-outs from an engineer with over 25 years of trade experience.”
Considered and passed
- PassedPG Plumbing & Gas
“It offers local Gas Safe boiler repairs and carries common parts, but its page gives less detail about response times and opening hours.”
- Passed1st Gas Engineers Ltd
“It offers boiler repairs and lists emergency repairs, but its site asks customers to call for advice and does not state a same-day response.”
Question 2 of 6
“Who's the best heating engineer in Northampton?”
Picked
- FirstTHS Plumbing & Heating
“It combines more than 25 years serving Northampton with Gas Safe registration, a 4.9 rating from 283 stated Google reviews and a broad set of home heating services.”
- #21st Gas Engineers Ltd
“It is a local family-run Gas Safe company approved by Which? Trusted Traders, with more than 30 years serving the local community.”
Considered and passed
- PassedCounty Gas Services
“It presents a qualified sole trader with more than 25 years’ experience, but its site lists 40 reviews and less breadth of services than the top picks.”
- PassedRJB Heating & Plumbing Ltd
“It lists Gas Safe services, fixed pricing and more than 20 years’ experience, but the Northampton page provides less review evidence.”
Question 3 of 6
“I need a new boiler fitted in Northampton. Who should I get quotes from, and roughly what will it cost?”
Picked
- FirstTHS Plumbing & Heating
“Its Northampton installation page gives a VAT-inclusive starting price of £1,864 and describes installations of combi, system and traditional boilers.”
- #21st Gas Engineers Ltd
“It installs boilers locally, is Gas Safe registered and says it provides fixed-price quotations with no hidden costs.”
- #3RJB Heating & Plumbing Ltd
“It offers new boiler installation across Northampton with fixed quotes and manufacturer-backed warranties.”
Considered and passed
- PassedPG Plumbing & Gas
“It offers boiler installation and repair, but the page reviewed does not publish an installation price.”
- PassedCounty Gas Services
“Its site describes repairs and servicing in detail, but I found less information about new boiler installation quotes.”
Question 4 of 6
“No heating or hot water, can someone come out today? I'm in Northampton”
Picked
- FirstTHS Plumbing & Heating
“It advertises same-day boiler repairs and emergency call-outs seven days a week, with stated response times below an hour in several Northampton postcode areas.”
- #2County Gas Services
“It says customers can call for same-day or emergency support across Northampton and nearby areas.”
Considered and passed
- Passed1st Gas Engineers Ltd
“It lists emergency repairs, but its published opening hours are shorter and it does not state a same-day arrival time.”
- PassedPG Plumbing & Gas
“It describes rapid boiler repair but does not specify emergency hours or same-day attendance on the page reviewed.”
Question 5 of 6
“I want my boiler serviced before winter in Northampton. Who can I book online?”
Picked
- FirstTHS Plumbing & Heating
“Its servicing page offers an online booking option, a stated starting price of £80 and an emailed quote within a few hours.”
- #2County Gas Services
“Its boiler repair page offers an online scheduling link and the company also lists annual boiler servicing.”
Considered and passed
- Passed1st Gas Engineers Ltd
“It offers boiler servicing, but the pages reviewed direct customers to call or request a callback rather than book a service online.”
- PassedRJB Heating & Plumbing Ltd
“It publishes a servicing price, but the page reviewed provides a quote contact rather than an online booking option.”
Question 6 of 6
“Which heating engineer in Northampton shows fixed prices, so I know the cost upfront?”
Picked
- FirstRJB Heating & Plumbing Ltd
“Its Northampton page publishes service and diagnostic starting prices and says every price is agreed upfront, with parts quoted before work.”
- #2THS Plumbing & Heating
“It publishes typical boiler repair costs and an installation starting price, and says it provides a clear quote before work starts.”
- #31st Gas Engineers Ltd
“It states that it provides fixed-price quotations with no hidden costs.”
Considered and passed
- PassedCounty Gas Services
“It describes clear, practical advice and ways to request a quote, but I found no published service prices.”
- PassedPG Plumbing & Gas
“It promises straight answers but the page reviewed does not state prices or fixed quotes.”
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