Looking for reliable heating services in South London? You've found the right team. HeatBox has been keeping South London homes warm for over 15 years – and we're not stopping anytime soon. Whether your boiler's broken down at 3am, you need your annual service sorted, or you're planning a complete heating system installation, we handle it all.
We cover everywhere from Bexley to Bromley, Greenwich to Croydon, Lewisham to Lambeth. Gas Safe registered engineers, transparent pricing, and proper guarantees on every job.
Complete Heating Solutions for South London Homes
24/7 response when your boiler breaks down. No heating or hot water? We'll get to you fast across all of South London. We carry common parts like pumps and valves to fix issues on the first visit.
Legal Gas Safety Certificates from £80. Mandatory for rentals to avoid serious penalties. Bulk discounts available for property portfolios across London.
Complete system design – boilers, radiators, and smart controls. Professional pipework and layout planning for Victorian and modern property types.
Deep chemical cleaning to remove sludge and restore efficiency by up to 25%. Essential for South London's hard water areas to extend system life.
Emergency leak finding using pinpoint diagnostic equipment. Permanent repairs by Gas Safe specialists for complete home safety.
Mains-pressure hot water systems for powerful showers. G3 qualified installation of brands like Megaflo and Gledhill. No loft tank required.
Wet underfloor systems for extensions and renovations. Even heat distribution that saves energy and works perfectly with stone or wood floors.
Scheduled repairs for faults, strange noises, and intermittent problems that need proper diagnosis. We use manufacturer tools for accurate fixed-price solutions.
Annual maintenance to keep your boiler running efficiently and your warranty valid. Includes safety checks and inhibitor treatments for hard water protection.
New boiler supply and fitting with warranties up to 12 years. Correct sizing and heat loss calculations for maximum efficiency home-wide.
If you smell gas: open windows, don't use electrical switches, get everyone outside, and call us immediately. Our Gas Safe engineers provide emergency leak detection using professional equipment that pinpoints leaks behind walls or under floors.
Proper Guarantees, Professional Standards
Legal requirement met plus £5M public liability insurance. You're fully protected whenever we're working in your home. Verify our credentials any time.
Manufacturer-specific training and genuine parts. Extended warranties up to 12 years on new installations. We service all other brands too.
Real experience with South London's Victorian terraces, 1930s semis, and modern apartments. Genuine local expertise across every housing era.
Every repair and installation is guaranteed. If something goes wrong with our work, we come back and fix it free. No arguments, just sorted.
Simple, Transparent Process from Start to Finish
Call 0208 087 1729 or use our online form. For emergencies, we'll prioritise getting someone to you fast.
Our engineer arrives at the agreed time, assesses the situation, and explains it in plain English. No jargon.
Get a clear price before any work starts. Parts itemised, labour explained. No hidden charges, no pressure.
We fix it properly using quality parts. No temporary bodge jobs. The job is done right or it's not done.
Backed by our 12-month parts and labour guarantee. If there's an issue, we sort it at no extra cost.
With South London's hard Thames Water supply (250-300mg/l calcium carbonate), system cleaning is essential every 5-6 years. A powerflush can improve heating efficiency by up to 25% and significantly extend your boiler's lifespan by removing sludge and rust buildup.
Transparent Pricing Across All Areas
Congestion charge (£15) and parking fees are additional for Zone 2 areas. All prices include VAT. Parts charged separately. Callout fees contribute towards repair costs. Parts charged separately at fair rates. Portfolio discounts available for landlords managing multiple properties.
Get CP12 certificates from £80. Portfolio discounts available: 2-3 properties (£75 ea), 4-6 properties (£70 ea), 7+ properties (£65 ea). We can also set up annual reminders so you never miss a deadline.
Yes – we're available 24 hours a day, 7 days a week for genuine emergencies across Bexley, Greenwich, Lewisham, Bromley, Croydon, Southwark, and Lambeth. Call 0208 087 1729 immediately.
Available 24/7 for emergencies. Quality workmanship at fair prices, backed by our 12-month guarantee. One call sorts it all.
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