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Boiler Repair in Northampton

No heating, no hot water or a boiler flashing an error code?

Gas Safe registeredDiagnosticsParts & labour ★ 221 companies in Northampton

Boiler repair in Northampton starts with a £60–£90 diagnostic callout. Common fixes — diverter valve, expansion vessel, pump or PCB — cost £200–£550 including parts. By UK law, any work on a gas boiler must be carried out by a Gas Safe registered engineer.

Boiler Repair services in Northampton

Boiler repair starts with a diagnostic call-out: the engineer reads any error/fault codes, inspects the pressure gauge, checks the pump, diverter valve, PCB, expansion vessel and gas supply, then quotes for the parts required.

Any work on a gas appliance must be carried out by a Gas Safe registered engineer — it is a legal requirement in the UK. Ask to see the engineer's Gas Safe ID card; the licence number can be verified on the public register.

Repair vs replace: as a rule of thumb, if your boiler is 12+ years old, a major component failure (heat exchanger, PCB) often means replacement is more economic. For boilers under 8 years, repair almost always wins. The Boiler Upgrade Scheme offers £7,500 towards air source heat pumps if you are considering switching.

The 221 companies listed for Northampton are all incorporated at Companies House. Browse the profiles below, check their address and Company Number, and request a free quote.

Indicative prices in England

Diagnostic callout£70 – £80
Common fault repair£90 – £255
PCB replacement£300 – £550
Pump replacement£250 – £450
Boiler installation£1,800 – £3,500

Indicative averages for England. Always request quotes for accurate pricing.

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Top boiler engineers in Northampton

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📍 400 PAVILION DRIVE, VICTORY HOUSE, BUSINESS PARK, NN4 7PA Northampton 🔧 Companies House #15862276
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📍 2A WELLINGTON COURT, NN1 3HX Northampton 🔧 Companies House #11802152
#3
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📍 10 MELBOURNE LANE, NN5 6HS Northampton 🔧 Companies House #15478482
#4
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📍 MOULTON PARK BUSINESS CENTRE REDHOUSE ROAD, MOULTON PARK INDUSTRIAL ESTATE, NN3 6AQ Northampton 🔧 Companies House #06511539
#5
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📍 5 POYNTZ GARDENS, NN5 7RY Northampton 🔧 Companies House #14663441

Frequently asked questions — Boiler Repair in Northampton

How much does boiler repair cost in Northampton?

A diagnostic callout is typically £60–£90 (often refunded against the repair). Common fixes — diverter valve, expansion vessel, pump — fall in the £200–£550 range including parts. PCB replacement is usually £300–£550.

Repair or replace my boiler?

If your boiler is under 8 years old, repair almost always wins. Between 8 and 12 years, it depends on the part. After 12+ years, a major component failure (heat exchanger, PCB) usually means replacement is the better economic choice — and a new A-rated boiler can cut your gas bill by 15–25%.

Do all plumbers in Northampton work on gas boilers?

No. By law, any work on a gas appliance must be carried out by a Gas Safe registered engineer. The 221 companies listed for Northampton include heating engineers; before booking gas work, ask to see the Gas Safe ID card and verify the licence number on the public register.

Am I eligible for the Boiler Upgrade Scheme?

The UK Boiler Upgrade Scheme offers £7,500 towards an air source heat pump or £5,000 towards a biomass boiler (in some rural areas). You need a valid EPC with no outstanding loft/cavity insulation recommendations. ECO4 may help if your household receives qualifying benefits — check GOV.UK for current eligibility.

What is a boiler service and how often do I need one?

An annual boiler service costs £80–£150 in Northamptonshire and is required to keep most manufacturer warranties valid. The engineer cleans the combustion chamber, checks gas pressure, inspects seals and flue, and runs a flue gas analysis.