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New Boiler Installation in Chelsea

Looking for a new boiler installation in Chelsea? Great Gas Limited fits A-rated combi, system and regular boilers across SW3 and the wider Royal Borough of Kensington and Chelsea — from the Georgian and Victorian terraces around Cheyne Walk and the King’s Road to the red-brick mansion flats near Sloane Square. Our Gas Safe registered engineers size every system correctly and route flues carefully on period and conservation-area frontages.

Every Chelsea installation is a fixed price agreed up front, with 0% APR finance and manufacturer warranties of up to 12 years. We also cover neighbouring Knightsbridge, South Kensington and Belgravia — often with next-day surveys.

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★★★★★ 5 · 44 Google reviews Gas Safe reg. 12570456 Fixed-price guarantee Chelsea · SW3

New boiler installation in Chelsea by Great Gas Limited

★★★★★ 44 Google reviews

Gas Safe registered 0% APR finance available Install in as little as 48 hours Up to 12-year warranty Fully insured engineers

Fast, free & easy

Get your quote in Chelsea

New boiler

Fixed-price supply & installation by certified, Gas-Safe registered engineers — often within 48 hours.

A-rated boiler of your choice
Up to 12-year manufacturer warranty
0% APR finance available

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Boiler service

Keep your boiler safe and your warranty valid with an annual service & safety check from our engineers.

Full safety & efficiency check
Certified, fully-insured engineers
Flexible appointment times

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Our services in Chelsea

Boiler & heating services for your Chelsea home

Most requested New Boiler Installation in Chelsea by Great Gas Limited

New Boiler Installation in Chelsea

Looking for a new boiler installation in Chelsea? Great Gas supplies and fits A-rated combi, system and regular boilers from the leading brands, at a fixed price agreed up front. Our Gas-Safe registered engineers handle everything — from sizing the right boiler for your Chelsea home to a clean, careful installation, often within 48 hours.

Every install comes with a manufacturer-backed warranty of up to 12 years, 0% APR finance options and a full system check, so your heating is efficient, safe and built to last.

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Recommended Boiler Servicing in Chelsea by Great Gas Limited

Boiler Servicing in Chelsea

Keep your boiler safe, efficient and warranty-valid with an annual boiler service in Chelsea. Our Gas-Safe engineers carry out a thorough safety and efficiency check, testing controls, pressures and emissions, and flag any issues before they become expensive breakdowns.

Regular servicing protects your manufacturer warranty and helps your boiler run cheaper for longer. Book a convenient slot that suits your Chelsea household.

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Boiler Repairs in Chelsea

Boiler broken down in Chelsea? Our experienced engineers diagnose and fix faults on all major makes and models, fast. From no hot water and pressure loss to error codes and noisy pipes, we carry common parts to get your heating back on the same day wherever possible.

Upfront pricing, genuine parts and a workmanship guarantee across Chelsea and Knightsbridge, South Kensington and Belgravia.

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Emergency Boiler Repairs in Chelsea

No heating or hot water? Our emergency boiler repair service in Chelsea gets a Gas-Safe engineer to you quickly. We prioritise vulnerable households and carry common spares to restore your heating with minimal disruption.

Fast response across Chelsea and surrounding areas, with clear pricing before any work begins.

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Boiler Engineers & Services in Chelsea

Our boiler engineers in Chelsea are certified, fully insured and Gas-Safe registered. Whether you need installation, servicing, a repair or expert advice, you'll get a friendly professional who treats your home with respect and gets the job done properly.

Trusted by families across Chelsea and Knightsbridge, South Kensington and Belgravia, with hundreds of five-star reviews.

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Gas Safety Certificates in Chelsea

Landlords in Chelsea are legally required to hold a valid Gas Safety Certificate (CP12) for each property. Great Gas provides prompt, professional gas safety inspections by Gas-Safe engineers, checking all appliances, flues and pipework and issuing your certificate on completion.

Reliable annual reminders and fast turnaround across Chelsea.

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Emergency Heating Engineers in Chelsea

When your heating fails, our emergency heating engineers in Chelsea respond fast. We tackle boiler faults, radiator and pipework problems, leaks and controls failures, restoring warmth to your home safely and efficiently.

Priority response for Chelsea and Knightsbridge, South Kensington and Belgravia, with honest pricing throughout.

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Central Heating Installation in Chelsea

Upgrade your home comfort with a professionally installed central heating system in Chelsea. Great Gas designs and fits complete systems — boilers, radiators, controls and smart thermostats — balanced for even, efficient warmth in every room.

Fixed-price quotes, tidy installation and full commissioning across Chelsea.

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Central Heating Repairs in Chelsea

From cold radiators and noisy pipes to leaks and thermostat faults, our engineers provide expert central heating repairs in Chelsea. We find the root cause quickly and fix it properly, restoring balanced, reliable warmth throughout your home.

Fair pricing and a workmanship guarantee across Chelsea and Knightsbridge, South Kensington and Belgravia.

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Central Heating Service in Chelsea

Keep your whole heating system healthy with a central heating service in Chelsea. We check and balance radiators, inspect controls and pressures, and can power-flush sludge that makes your system slow and costly to run.

Regular servicing means fewer breakdowns and lower bills for your Chelsea home.

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Why Chelsea homeowners choose Great Gas Limited

Gas-Safe registered, fully insured heating engineers delivering fixed-price installations, servicing and repairs across Chelsea and Knightsbridge, South Kensington and Belgravia.

Gas Safe registeredReg. 12570456

Fixed-price, no surprisesYour quote is the price you pay

Up to 12-yr warrantyManufacturer-backed cover

Fast installationOften within 48 hours

Serving Chelsea — click to load map

★★★★★

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Good to know

Frequently asked questions

How much does a new boiler installation cost in Chelsea?

Fixed-price new boiler installations start from £1,499 including supply and fitting. Your exact price is confirmed in under 60 seconds with our online quote — no obligation.

How quickly can you install a boiler in Chelsea?

For most homes in Chelsea we can complete the installation within 48 hours of your quote, subject to a quick survey.

Are your engineers Gas-Safe registered?

Yes. Every Great Gas Limited engineer is Gas-Safe registered and fully insured, so your installation, service or repair in Chelsea is safe and compliant.

Do you offer boiler servicing and repairs in Chelsea too?

Absolutely. As well as new boiler installations, we provide annual boiler servicing, repairs, emergency call-outs, gas safety certificates and full central-heating services across Chelsea.

Local coverage

Boiler installation across Chelsea & London

Great Gas Limited supplies, fits and services boilers throughout Chelsea and the surrounding SW3 postcodes, across the wider London area. We regularly install boilers in neighbouring Knightsbridge, South Kensington and Belgravia as well — always at a fixed price agreed up front, fitted by Gas Safe registered engineers, with 0% APR finance options and manufacturer warranties of up to 12 years.

Ready for a new boiler in Chelsea?

Get your fixed-price, no-obligation quote online in under 60 seconds.

Get Your Online Boiler Quote