For over 15 years, Heatbox Heating has kept homes and businesses warm across South and South East London. Gas Safe registered, fully insured, and genuinely committed to honest, transparent service every single time.
Years Experience
Jobs Completed
Customer Rating
Emergency Cover
Heatbox Heating was founded with a simple belief: South London deserves honest, expert heating engineers who show up on time, price fairly, and get the job done right the first time.
Starting out as a small team based in Welling, we built our reputation job by job from emergency boiler repairs in Bexley to full central heating installations across Greenwich. Word spread fast. Fifteen years on, we're proud to be the go-to heating company for hundreds of homeowners, landlords, and property managers across South and South East London.
Every engineer on our team is Gas Safe registered, trained to the highest standard, and backed by genuine manufacturer accreditation from Worcester Bosch and Vaillant. We don't cut corners not on parts, not on compliance, and never on your safety.
Everything we do is guided by these principles from the first call to the final test.
No hidden fees, no surprise invoices. We publish our rates upfront and provide a clear, itemised quote before any work starts. What we quote is what you pay full stop.
We arrive equipped to diagnose and fix not guess and revisit. Engineers carry common parts on every van and use manufacturer-specific tools to resolve faults in a single visit wherever possible.
Heating emergencies don't wait for business hours and neither do we. Our 24/7 coverage means a Gas Safe engineer can reach you day or night, any day of the week including bank holidays.
We're not a faceless national call centre we're your neighbours. Our engineers live and work in South London, and we care about our community's reputation as much as our own.
All repairs backed by a 12-month parts and labour guarantee. New installations carry manufacturer warranties of up to 12 years. We stand behind every single job we complete.
Our qualifications aren't just framed on a wall they underpin every job we do.
The legal requirement for all UK gas engineers. We carry ID cards you can verify before any work begins.
Manufacturer-approved status means our installations and repairs maintain your full Worcester Bosch warranty.
Specialist manufacturer training on the ecoTEC range ensures compliant repairs and warranty-preserving installations.
Full public liability and professional indemnity insurance on every job. Your property is protected from day one.
Expert fault diagnosis and repair for all makes and models. From £80 callout in Zone 1. Most repairs completed same-visit.
New boiler installations with warranties up to 12 years. Worcester Bosch and Vaillant approved installer. Fixed-price quotes.
Annual servicing to keep your boiler running safely and efficiently. From £90 in Zone 1. Maintains manufacturer warranty.
24/7 emergency callout across South London and Central London. Same-day service where possible. No heating or hot water? Call now.
Full central heating installation and upgrades. Radiator installation, system balancing, and smart controls. Whole-house solutions.
Emergency gas leak detection and repair. If you smell gas — call National Gas on 0800 111 999 first, then call us. Available 24/7.
Annual gas safety certificates for rental properties. From £80 Zone 1. Combined service and certificate available from £150.
Deep-clean your heating system to remove sludge and restore efficiency. Includes all chemicals. From £550 in Zone 1.
Wet underfloor heating installation for new builds and renovations. Energy-efficient, invisible heating for any South London property.
| Feature | Heatbox | Others |
|---|---|---|
| Gas Safe Registered | ✔ | Not always |
| Upfront Fixed Pricing | ✔ | Rare |
| 24/7 Emergency Cover | ✔ | Limited |
| Same-Day Response | ✔ | Often days |
| Worcester Bosch Approved | ✔ | ✖ |
| Vaillant Approved | ✔ | ✖ |
| 12-Month Guarantee | ✔ | Usually 30 days |
| £5M Public Liability | ✔ | Varies |
| Local South London Engineers | ✔ | Call centres |
We give a real arrival window and stick to it. If anything changes, we call ahead. No waiting all day for a no-show engineer.
Honest advice only. If your boiler is worth repairing, we repair it. If not, we'll say so clearly no pressure, no upselling.
South London's hard water, period properties, and flat installations have unique challenges. Our engineers know them because they live here too.
Parts, labour, callout all itemised and agreed upfront. The invoice will never surprise you. That's a promise, not a policy.
Worcester Bosch and Vaillant approved means your warranty stays valid and repairs meet manufacturer standards not just Gas Safe minimums.
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