Real Projects, Real
Results 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
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.
Case Studies
Documented Outcomes, Not Vague Claims
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 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
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
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
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
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
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