A Armstrong Plumbing & Heating

Boiler Repairs

Fast, Gas Safe boiler fault-finding and repairs across New Milton, Christchurch and Lymington. Experienced engineers, manufacturer parts and full safety checks to get heating and hot water back on quickly.

Professional Boiler Repairs Across New Milton

Using premium diagnostic kit and manufacturer parts from Vaillant and Glow-worm, our Gas Safe registered engineers carry out precise fault-finding and safe, lasting repairs. We tackle kettling, ignition faults, low pressure, leaks and no heating/hot water on all major makes. Every repair includes full safety checks, system testing and clear advice on repair vs replacement, with manufacturer-backed parts where eligible.

Professional Boiler Repairs Across New Milton

How It Works

01

Call & Triage

Tell us the fault and any error codes. We assess urgency, give practical advice and arrange an engineer visit at a suitable time.

02

Onsite Fault-Finding

A Gas Safe engineer uses diagnostic kit and manufacturer manuals to identify the root cause, not just symptoms, and explains the options.

03

Repair, Test & Certify

We fit quality or manufacturer parts, complete safety checks and system testing, then leave a clear report and advice on longer-term care.

Why Choose us for Boiler Repairs?

Gas Safe Registered Engineers

All gas work and repairs are undertaken by Gas Safe registered engineers to ensure compliance and household safety.

Manufacturer-Grade Parts & Accreditations

Vaillant and Glow-worm accreditation means we use approved parts and can access manufacturer guidance and warranties where available.

Local, Family-Run & Trusted

Over 20 years' experience serving New Milton and nearby towns, Checkatrade-vetted and fully insured for reliable, tidy workmanship.

What we repair
We handle the common and the tricky: no heating or hot water, low pressure, kettling or banging noises, ignition and electrical faults, leaking components, failed pumps, thermostats and diverter valves. Our engineers work on all major makes and models and bring diagnostic tools to pinpoint the fault on the first visit where possible.

Safety and transparency
Repairs are completed to industry standards with a final safety check and system test. As a family-run New Milton company with Gas Safe registration, Vaillant and Glow-worm accreditation and G3 unvented, we prioritise safe, compliant repairs and clear communication. If replacement looks the more sensible option, we’ll explain why and provide impartial next steps.

Frequently Asked Questions

Yes. Our engineers have experience with most major manufacturers and models. For brand-specific faults we use manufacturer manuals and approved parts — where a specialist part is required we source it quickly and fit it to maintain warranty and reliability.

Get your boiler fixed today

For fast, Gas Safe boiler repairs in New Milton and nearby towns call 07904 590952 or email info@aarmstrong.co.uk. We’ll arrange a prompt diagnostic visit and explain the safest, most cost-effective solution.
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Boiler Repairs: 20+ Years' Experience