Limited Offer: New A-rated Boiler Installed from £1,950 — 10-yr warranty included Claim Now HomeAboutServices Areas We Cover Our WorkReviewsContact 020 3432 234907377 788881 Request Estimate - Home - svg]:size-3.5 text-steel"> - Our Work Our Work # Real Projects, RealResults Across London Browse real photos from our completed boiler installations, electrical work, plumbing repairs and gas safety inspections across London. Every image is from an actual MAMOSS project. Photo Gallery ## Browse Our Completed Work All Work (42)Electrical (13)Gas & Heating (24)Plumbing (3)Videos (2) Consumer unit installation — Schneider Acti9 with full RCBO protection Three-phase distribution board — commercial installation SWA cable termination and panel build Completed consumer unit — cables routed and terminated New distribution board with circuit labelling Fully wired consumer unit — dual RCD split-load board Eaton three-phase board — commercial fit-out Distribution board with circuit schedule — site installation Schneider Acti9 Isobar P — completed installation Heating wiring centre — boiler and zone valve connections Cable drums on site — large-scale rewiring project Fluke 1736 power logger — electrical load monitoring Cable pulling through containment — commercial project Heat exchanger removal — boiler repair diagnosis Gas valve inspection during boiler servicing Annual boiler service — internal inspection Dual boiler room installation with full pipework Boiler stripped for component inspection Vaillant diverter valve replacement Worcester Bosch annual service New boiler install — expansion vessel and heat exchanger Vaillant PCB board — fault diagnosis and repair Boiler service — cover removed for inspection Flue gas analysis — combustion safety check Condensate siphon and pipework repair Worcester Bosch — full strip-down service Boiler commissioning — digital display readout Worcester cylinder — sensor and wiring check Full boiler strip — flue and gas valve inspection Boiler service with CO alarm — safety compliance Vaillant F.64 fault code — engineer diagnosis Worcester Bosch — combustion chamber service Worcester heat exchanger — annual inspection Commercial plant room — boiler and circulation system Vaillant pump replacement — Grundfos UPM3 Gas leak detection — meter safety inspection Commercial plant room — industrial heating system Under-sink waste trap and pipework installation Leak detection — RIDGID probe locating hidden leak Copper pipe bending — site fabrication Boiler repair in progress — on-site footage Boiler servicing — live on-site footage ### We Cover All of Greater London From East London to West, our Gas Safe registered engineers and qualified electricians deliver certified trade services to every borough. Based in Bethnal Green, we respond within 60 minutes across the capital. East London•West London•South London•Chelsea & Kensington•All Areas Case Studies ## Documented Outcomes, Not Vague Claims Boiler InstallationProject #1 ### Full Boiler Replacement – Victorian Terrace, Shoreditch Removed a 20-year-old conventional boiler system and installed a modern A-rated combi boiler with magnetic filter, system flush, and new thermostatic radiator valves throughout. Completed in one day with full Gas Safe certification. Key Outcomes - 40% reduction in annual gas bills - Hot water on demand — no cylinder required - 10-year manufacturer warranty secured - Full Gas Safe certification and landlord compliance Emergency PlumbingProject #2 ### Emergency Leak Repair – Managed Block, Bethnal Green Responded to a burst water main affecting four ground-floor flats in a managed residential block. Isolated the supply within 15 minutes of arrival, completed a permanent repair, and coordinated with the property management company to restore service the same day. Key Outcomes - 15-minute response time from call-out - Supply restored within 3 hours - No secondary water damage to properties - Full incident report provided to management ElectricalProject #3 ### Complete Rewire – Period Property, Chelsea Full rewire of a four-bedroom Edwardian house including new consumer unit, LED downlighting throughout, outdoor security lighting, and smart home pre-wiring. All work completed to BS 7671 18th Edition standards and passed inspection first time. Key Outcomes - Full compliance with 18th Edition wiring regulations - Passed local authority inspection first time - Insurance-compliant electrical installation certificate - Future-proofed with smart home wiring DrainageProject #4 ### Drainage Survey & Repair – Commercial Property, Hoxton Conducted a full CCTV drainage survey for a commercial premises experiencing recurring blockages. Identified root ingress and a collapsed section of Victorian clay pipe. Completed a targeted excavation repair and replaced the affected section with modern UPVC. Key Outcomes - Root cause identified via CCTV survey - Targeted repair — no unnecessary excavation - 12-month guarantee on all drainage work - Recurring blockage issue permanently resolved Gas & HeatingProject #5 ### Landlord Gas Safety Programme – Portfolio of 30 Units Provided annual CP12 gas safety inspections for a portfolio of 30 rental units across East London. Coordinated directly with tenants for access, completed all inspections within a two-week window, and delivered digital certificates to the letting agent. Key Outcomes - 100% compliance achieved across all 30 units - Direct tenant coordination — zero landlord admin - Digital CP12 certificates delivered same-day - Priority scheduling for annual renewals PlumbingProject #6 ### Bathroom Refurbishment – Family Home, South London Full strip-out and refurbishment of a family bathroom including new suite installation, underfloor heating, wall and floor tiling, concealed cistern WC, thermostatic shower valve, and ventilation upgrade. Project managed from design to completion. Key Outcomes - Completed on schedule within 10 working days - Single point of contact throughout - Building regulations sign-off obtained - 12-month workmanship guarantee Explore our services: Boiler Installation•Emergency Plumber•Electrical Services•Drainage Services•Client Reviews•Get a Free Estimate ## Your Property Problem Solved Next Join thousands of London property owners who trust MAMOSS for reliable, certified trade services. Request a Free Estimate07377 788881 Multi-trade property services across London. Gas Safe registered, CHAS accredited, fully insured. 07377 788881 info@mamoss.co.ukUnit C, 279 Bethnal Green Road, London E2 6AH ### Services - Central Heating Service - Plumber - Electrician - Gas Engineer - Boiler Supplier - Drainage Service - Bathroom Renovator ### Areas - Bethnal Green - Shoreditch - Hackney - Stratford - Hoxton - East London ### Guides - Boiler installation cost London - Combi vs system boiler - How long does a boiler install take? - What to do if a pipe bursts - How to turn off your water (UK) ### Company - About Us - Our Work - Reviews - Special Offers - Contact ### Accreditations - Gas Safe Registered ↗ - CHAS Accredited ↗ - Safe Contractor ↗ - Constructionline ↗ - CIPHE Member ↗ © 2026 MAMOSS Ltd. Company No. 16372778. All rights reserved. Privacy PolicyTerms & ConditionsCookie PolicySitemap Call NowFree Estimate We use essential cookies to run this site and optional analytics cookies to improve it. Cookie Policy AcceptReject