Annual servicing, CP12 certificates, boiler servicing from £89, power flushing and full system upgrades — Gas Safe across Bethnal Green, Hackney and Shoreditch with same-day no-heat response.
Explore central heating service
Gas Safe engineers across London. Transparent pricing, no call-out fee on installs, and a fixed quote before we start work.
New A-rated Boiler Installed from £1,950
Includes 10-year warranty, smart thermostat & system flush. Limited slots — offer ending soon.
Gas Safe Registered
Fully certified engineers
CHAS Accredited
Health & safety verified
£5M Insured
Public liability cover
24/7 Available
Emergency response
What We Do
Seven trades, one trusted local team. Tap any category to see the full service detail, pricing and process.
Annual servicing, CP12 certificates, boiler servicing from £89, power flushing and full system upgrades — Gas Safe across Bethnal Green, Hackney and Shoreditch with same-day no-heat response.
Explore central heating service
Burst pipes, leak detection, taps, toilets and full bathroom plumbing from a CIPHE-registered East London plumber. 24/7 emergency cover with 60–90 minute response.
Explore plumber
Part P registered East London electrician for fault finding, rewires, consumer-unit upgrades, EV chargers and landlord EICR reports — certified to Building Regulations Part P.
Explore electrician
Gas Safe gas engineer services for landlord CP12 certificates from £79.99, gas cooker installs, leak investigation and appliance recommissioning. Same-day certificates emailed.
Explore gas engineer
Approved boiler supplier for Worcester, Vaillant, Ideal and Viessmann. Fixed installs from £1,950 — flush, smart thermostat and 10-year warranty included. 0% finance available.
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High-pressure jetting, colour CCTV surveys and no-dig patch lining from our drainage service team. No call-out fee on confirmed jobs and same-day drain unblocking.
Explore drainage service
Strip-out, plumbing, electrics, waterproofing, tiling and decoration delivered in-house — see our bathroom installation page. Most family bathrooms complete in 5–10 working days with a 12-month workmanship guarantee.
Explore bathroom renovatorWhy MAMOSS
We don't just fix problems — we prevent them. MAMOSS delivers proactive, professional service that protects your property and your investment.
15+
Years Experience
1,000+
Jobs Completed
24/7
Emergency Cover
Our engineers are dispatched fast for emergencies — typically same-day. No waiting around — we value your time as much as our own.
Plumbing, heating, electrical, drainage — all under one roof. No coordinating multiple contractors.
Gas Safe registered, CHAS accredited, Safe Contractor approved. £5M public liability insurance for your peace of mind.
No hidden charges. We quote before we start, so you know exactly what you're paying. No surprises.
We serve letting agents, property management companies, private schools and landlords across London — year after year.
All work completed to national standards and relevant building regulations. Fully documented and certified.
How It Works
A straightforward five-step process — designed so you always know what's next.
Call 07377 788881, request a callback or send job photos via WhatsApp. We answer 24/7 for genuine emergencies and within the hour during working days.
We assess the job remotely or on-site, then send a written fixed quote — no allowances, no day-rates, no surprise extras once work starts.
Choose a slot that suits you. Most non-emergency work is booked within 3–5 working days, with parking and access logistics agreed in advance.
Our in-house Gas Safe and Part P engineers complete the job, protect your floors and clean down before leaving. No subcontractors on the tools.
You get certificates emailed same-day, a 12-month workmanship guarantee on installs and a single point of contact if anything needs revisiting.

Client Reviews
Areas We Cover
Based in Bethnal Green, our engineers cover all major London boroughs — with rapid response times you can count on.
View All Locations
Local Knowledge
East London's housing stock is unusually mixed — Victorian and Edwardian terraces in Bethnal Green, Hackney and Bow sit alongside post-war council blocks, ex-industrial warehouse conversions in Shoreditch and Hoxton, and new-build apartments along the Olympic corridor in Stratford. That mix matters: the plumber, heating engineer or electrician who knows how to work around lath-and-plaster walls, lead-and-iron pipework, undersized 1980s consumer units and tight conversion-flat risers will get the job done first time. The wrong trade often makes the problem worse.
The most common issues we're called to across E1, E2, E8 and E9 follow a clear pattern. Hard London water leaves limescale that shortens the life of combi boilers, kettle elements and shower cartridges — annual servicing and a properly sized scale reducer typically pay for themselves within two boiler cycles. Cold spots and noisy radiators in older terraces are almost always sludge build-up, fixed with a chemical or magnetic power flush rather than a new boiler. Tripping RCDs in converted flats are usually shared neutrals or borrowed circuits from previous DIY work, and need a full EICR before they're safe. Slow drains in basement kitchens point to root ingress or collapsed Victorian clay runs that a CCTV survey will confirm in under an hour.
Local expertise also means knowing the practical realities of working in central and inner London — Congestion Charge and ULEZ planning, parking suspensions for emergency drainage rigs, controlled-parking-zone permits in Tower Hamlets and Hackney, and the access constraints of mansion blocks and tenant-occupied buy-to-lets. Our engineers are based in Bethnal Green, so we're already inside the zones we work in. That keeps response times short, call-outs cheaper and same-day fixes genuinely same-day — not "tomorrow morning if traffic is kind". For landlords and letting agents managing multi-property portfolios across East London, it also means a single trusted contact for plumbing, gas, electrical and drainage work, with documentation issued in formats that satisfy lenders, insurers and the latest Renters' Rights legislation.
Current Offers
Book any heating service and receive a full boiler diagnostic at no extra cost. Identify potential issues before they become expensive emergencies.
Claim This OfferCombine your CP12 gas safety certificate, boiler service and electrical inspection into one visit — saving you time and coordination costs.
Get Package DetailsJoin our priority response list for guaranteed same-day attendance on emergencies. Ideal for property managers and portfolio landlords.
Learn MoreFAQs
Straight answers on pricing, response times, accreditations and coverage.

Whether it's an emergency or a planned installation, our team is ready to help. No obligation, no hidden fees.
MAMOSS Ltd
Unit C, 279 Bethnal Green Road, London E2 6AH
Hours
Mon–Sat 8am–6pm · 24/7 emergency cover
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