--- title: "Boiler Installation Bethnal Green & East London | MAMOSS" description: "New boiler installation in Bethnal Green & East London. Gas Safe fit of Worcester Bosch, Vaillant & more. 10-yr warranty. 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New combi, system and regular boiler fitting with up to 10-year warranty.", "provider": { "@id": "https://mamoss.co.uk/#localbusiness" }, "areaServed": { "@type": "City", "name": "London" } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How much does a new boiler cost in London?", "acceptedAnswer": { "@type": "Answer", "text": "A standard combi boiler installation ranges from £2,200 to £4,500 depending on the brand, output and complexity. System boiler installations with a hot water cylinder typically cost £3,500 to £6,000. We provide fixed-price quotes after a free survey." } }, { "@type": "Question", "name": "Which boiler brand is best?", "acceptedAnswer": { "@type": "Answer", "text": "Worcester Bosch and Vaillant consistently rank highest for reliability and efficiency. We also install Baxi, Ideal and Viessmann. The best boiler for you depends on your property size, hot water demand and budget — we recommend based on your specific needs, not brand preference." } }, { "@type": "Question", "name": "How long does a boiler installation take?", "acceptedAnswer": { "@type": "Answer", "text": "A like-for-like combi boiler replacement takes one day. A system conversion, boiler relocation or back boiler removal typically takes two days. We confirm the timeline before you commit." } }, { "@type": "Question", "name": "Do you offer boiler finance?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. We offer interest-free and low-rate finance options to help spread the cost. Subject to credit status. Ask during your free survey for details and eligibility." } }, { "@type": "Question", "name": "What warranty do I get?", "acceptedAnswer": { "@type": "Answer", "text": "As approved installers, we activate manufacturer warranties of up to 10 years on selected boiler models. This covers parts and labour directly from the manufacturer." } }, { "@type": "Question", "name": "Will a new boiler reduce my energy bills?", "acceptedAnswer": { "@type": "Answer", "text": "In almost every case, yes. Replacing a 15-year-old boiler with a modern A-rated condensing unit typically saves 20-30% on gas bills. The exact saving depends on your usage, insulation and controls." } }, { "@type": "Question", "name": "Do I need to upgrade my radiators when I get a new boiler?", "acceptedAnswer": { "@type": "Answer", "text": "Not necessarily. If your existing radiators are in good condition and correctly sized, they can remain. However, if some rooms are consistently cold, adding or upsizing radiators during the boiler installation improves heat distribution and comfort." } }, { "@type": "Question", "name": "Can you move my boiler to a different room?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Boiler relocations are a common part of our work. We extend gas, water and flue connections to the new location, ensuring all Building Regulation requirements are met." } }, { "@type": "Question", "name": "What areas do you cover?", "acceptedAnswer": { "@type": "Answer", "text": "All London boroughs including Bethnal Green, Shoreditch, Hoxton, Chelsea, Kensington, and across East, South, West and South West London." } } ] } ] --- [ Limited Offer: New A-rated Boiler Installed from £1,950 — 10-yr warranty included Claim Now ](/contact) [![MAMOSS – Multi-Trade Property Services London](/assets/logo-CrEg7qQf.png)](/) [Home](/)[About](/about) Services Areas We Cover [Our Work](/our-work)[Reviews](/reviews)[Contact](/contact) [020 3432 2349](tel:02034322349)[07377 788881](tel:07377788881) [Request Estimate](/contact) - [Home](/) - [Services](/services) - Boiler Installation Services ![Engineer installing a new combi boiler with copper pipework in a London kitchen](/assets/hero-boiler-install-cUxkb-dR.jpg) Gas Safe Registered # New Boiler Installation in Bethnal Green & East London Cut your heating bills by up to 30% with a modern, high-efficiency boiler installed by Gas Safe registered engineers. Fixed pricing, up to 10-year warranty, and same-week installation available. [Book a Free Boiler Survey](/contact)[07377 788881](tel:07377788881) ★ Worcester Bosch & Vaillant approved installer · Up to 10-year manufacturer warranty · Finance options available Last updated: 29 April 2026 800+ Boilers Installed 10 yr Max Warranty 30% Avg. Bill Savings 1 Day Standard Install £5M Fully Insured ## When Is It Time for a New Boiler Installation in Bethnal Green or East London? If your boiler is over 10-12 years old, breaks down regularly, takes a long time to heat your home, or your energy bills have been rising despite normal usage, it is almost certainly time for a replacement. Modern condensing boilers operate at 90%+ efficiency compared to 60-70% for older models — the difference shows directly on your energy bills. MAMOSS installs all major boiler brands across London including Worcester Bosch, Vaillant, Baxi, Ideal and Viessmann. As approved installers, we can offer extended manufacturer warranties of up to 10 years, meaning your investment is protected for the long term. We handle every type of boiler installation: combi boiler replacements, system boiler upgrades, regular (conventional) boiler conversions, and complete heating system redesigns. Our engineers assess your property's hot water demand, radiator capacity and pipework to recommend the most efficient solution — not the most expensive one. - Like-for-like combi boiler replacement - System boiler to combi conversion - Regular to system boiler upgrade - Boiler relocation (e.g. kitchen to utility room) - New heating system with radiators and controls - Combi to system boiler conversion (for higher hot water demand) - LPG boiler installation for off-grid properties - Back boiler replacement ## The Hidden Costs of Running an Old Boiler Every year you delay replacing an inefficient boiler, you are paying more than you should. The costs compound in ways most homeowners do not consider: ### Wasted Energy Spend An old G-rated boiler wastes 30-40% of every pound you spend on gas. Over a typical London heating season, that translates to £400-£600 per year in unnecessary costs — money a new boiler would save you. ### Increasing Repair Frequency Boilers over 10 years old break down more frequently as components wear. The average repair costs £200-£350, and once a boiler needs two or more repairs per year, replacement becomes the more economical choice. ### Carbon Monoxide Risk Aging heat exchangers can develop cracks that leak carbon monoxide into your home. Annual servicing reduces this risk, but the safest option is replacing a boiler that has reached end of life. ### Property Value Impact An old, unreliable boiler is flagged in property surveys and can reduce your home's value or delay a sale. A new boiler with a long warranty is a selling point that buyers actively seek. Our Process ## From Survey to Switch-On: Our Installation Process 1 ### Free Home Survey A qualified engineer visits your property to assess your existing system, hot water demand, radiator count and pipework configuration. We discuss your preferences, budget and any planned changes to the property. 2 ### Tailored Recommendation & Fixed Quote Based on the survey, we recommend the most efficient boiler for your property and provide a written, fixed-price quote. No hidden costs. The quote includes the boiler, flue, controls, pipework, installation and all Gas Safe registration. 3 ### Scheduled Installation We install at a time that suits you. A standard combi replacement takes one day. System conversions or relocations may take two days. We protect your floors and furniture throughout. 4 ### Commissioning & Optimisation Your new boiler is commissioned to manufacturer settings, pressure-tested, and flue-analysed to confirm safe, efficient operation. We set up your thermostat and controls for maximum comfort and economy. 5 ### Registration & Warranty Activation We register the installation with Gas Safe and the manufacturer, activating your warranty. You receive all certificates, user guides and our direct number for any future questions. ## The MAMOSS Boiler Installation Advantage ### Up to 10-Year Manufacturer Warranty As approved installers, we activate extended warranties of up to 10 years. Parts and labour covered by the manufacturer — not just us. ### 30% Average Energy Savings Modern A-rated condensing boilers recover heat that older models waste. Most customers see a meaningful reduction in gas bills from the first quarter. ### Same-Week Installation Available Need a new boiler urgently? We hold stock of popular models and can often install within 3-5 working days of your survey. ### All Brands, No Bias We are not tied to one manufacturer. We recommend the best boiler for your property and budget — Worcester Bosch, Vaillant, Baxi, Ideal or Viessmann. ### Finance Options Available Spread the cost of your new boiler with interest-free and low-rate finance options. Subject to status — ask for details during your survey. ### Complete System Upgrade Need new radiators, smart controls or a hot water cylinder? We handle the full heating system in one project — no separate contractors needed. ## Understanding Your Boiler Installation Options Choosing the right boiler depends on your property size, number of bathrooms, hot water demand and existing pipework. A combi boiler is ideal for most one and two-bathroom properties — it heats water on demand without needing a separate cylinder or tank. For larger homes with multiple bathrooms running simultaneously, a system boiler with an unvented hot water cylinder delivers higher flow rates. Combi boilers are the most popular choice in London due to their compact size and efficiency. Models like the Worcester Bosch Greenstar 8000 Life, Vaillant ecoTEC Plus and Ideal Vogue Max offer outputs from 25kW to 40kW, covering everything from studio flats to large family homes. We size the boiler to your property — oversizing wastes energy, undersizing fails to meet demand. System boiler installations involve fitting an unvented hot water cylinder (typically 150-300 litres) that stores pre-heated water for immediate use. This is the right choice for properties with three or more bathrooms, or where multiple showers need to run at the same time without pressure drop. Boiler relocations are a common request — moving the boiler from a kitchen to a utility room, loft or garage to free up space. Relocations involve extending gas, water and flue connections, and we ensure the new position meets all ventilation and flue termination requirements under Building Regulations. For period properties with back boilers behind gas fires, we remove the old unit and install a modern wall-mounted boiler. This dramatically improves efficiency and frees up your fireplace for decorative use. Back boiler removal requires careful asbestos awareness — our team follows HSE protocols throughout. - Condensing boiler technology — up to 94% efficiency - OpenTherm modulation for precise temperature control - Magnetic system filters (e.g. MagnaClean) to protect internal components - Flue options: horizontal, vertical and plume management kits - Smart thermostat integration: Nest, Hive, Tado, Honeywell - Powerflush pre-installation to clean existing pipework - Building Regulations notification via Gas Safe - Benchmark commissioning checklist compliance Explore more of our services: [Home](/)• [Gas & Heating](/services/central-heating-engineer)• [Plumbing Services](/services/plumber)• [Electrical Services](/services/electrician)• [Emergency Plumber](/services/emergency-plumber)• [Areas We Cover](/areas)• [Get a Free Estimate](/contact) FAQ ## Frequently Asked Questions ### How much does a new boiler cost in London? ### Which boiler brand is best? ### How long does a boiler installation take? ### Do you offer boiler finance? ### What warranty do I get? ### Will a new boiler reduce my energy bills? ### Do I need to upgrade my radiators when I get a new boiler? ### Can you move my boiler to a different room? ### What areas do you cover? Part of [Boiler Supplier →](/boiler-supplier) See all boiler supplier services we provide. ### Related Reading & Guides [ #### Boiler installation cost London Typical pricing for combi, system & regular boiler installs across London. ](/guides/boiler-installation-cost-london)[ #### Combi vs system boiler Which boiler type suits your home, water demand and space. ](/guides/combi-vs-system-boiler)[ #### How long does a boiler install take? Realistic timelines for swap and full system installs. ](/guides/how-long-does-boiler-installation-take) ### Available Across London [Bethnal Green](/areas/bethnal-green)[Shoreditch](/areas/shoreditch)[Hackney](/areas/hackney)[Stratford](/areas/stratford)[Hoxton](/areas/hoxton)[East London](/areas/east-london)[All Areas →](/areas) ![MAMOSS property services team ready to help across London](/assets/cta-bg-BCYUu3i9.jpg) ## Ready to Solve Your Property Problem? Speak to a qualified engineer today. No obligation estimates, transparent pricing, and rapid response across London. [Request a Free Estimate](/contact)[07377 788881](tel:07377788881) [![MAMOSS – Multi-Trade Property Services London](/assets/logo-CrEg7qQf.png)](/) Multi-trade property services across London. Gas Safe registered, CHAS accredited, fully insured. [07377 788881](tel:07377788881) [info@mamoss.co.uk](mailto:info@mamoss.co.uk)Unit C, 279 Bethnal Green Road, London E2 6AH ### Services - [Central Heating Service](/central-heating-service) - [Plumber](/plumber) - [Electrician](/electrician) - [Gas Engineer](/gas-engineer) - [Boiler Supplier](/boiler-supplier) - [Drainage Service](/drainage-service) - [Bathroom Renovator](/bathroom-renovator) ### Areas - [Bethnal Green](/areas/bethnal-green) - [Shoreditch](/areas/shoreditch) - [Hackney](/areas/hackney) - [Stratford](/areas/stratford) - [Hoxton](/areas/hoxton) - [East London](/areas/east-london) ### Guides - [Boiler installation cost London](/guides/boiler-installation-cost-london) - [Combi vs system boiler](/guides/combi-vs-system-boiler) - [How long does a boiler install take?](/guides/how-long-does-boiler-installation-take) - [What to do if a pipe bursts](/guides/what-to-do-if-pipe-bursts) - [How to turn off your water (UK)](/guides/how-to-turn-off-water-uk) ### Company - [About Us](/about) - [Our Work](/our-work) - [Reviews](/reviews) - [Special Offers](/specials) - [Contact](/contact) ### Accreditations - [Gas Safe Registered ↗](https://www.gassaferegister.co.uk/) - [CHAS Accredited ↗](https://www.chas.co.uk/) - [Safe Contractor ↗](https://www.safecontractor.com/) - [Constructionline ↗](https://www.constructionline.co.uk/) - [CIPHE Member ↗](https://www.ciphe.org.uk/) © 2026 MAMOSS Ltd. 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