Commercial Case Studies London
Plant room rebuilds, cascade boiler systems, planned maintenance contracts and water compliance work delivered for landlords, managing agents, members clubs and multi-property estates across prime London. Each project sets out the problem, the engineering solution and the documented outcome.
RARE Plumbing London maintains commercial heating and water systems across prime Central London — from single plant rooms in Belgravia and Knightsbridge townhouses to members clubs, mansion blocks and multi-property estates. Every contract is run by Gas Safe registered engineers with the compliance paperwork the building needs: ACoP L8 risk assessments, tank cleaning certificates with laboratory results, PPM service records and CP12 gas safety documentation.
Engineering and compliance, documented.
Commercial Plant Rooms
Cascade boiler systems sized by heat loss calculation, with pipework reconfigured and independently zoned for efficient operation.
Commercial Boiler Replacement
Hamworthy, Remeha, Keston, ATAG and Viessmann installs for hotels, members clubs, mansion blocks and managed estates.
Legionella & Water Compliance
ACoP L8 risk assessments, cold water storage tank cleaning, biocidal disinfection and accredited laboratory sampling.
Planned Maintenance Contracts
Scheduled PPM visits, asset registers, priority response and the compliance documentation insurers and auditors ask for.
Commercial & Portfolio Projects
Each case study documents the specific challenge, the technical solution and the verified outcome. Click through for the full project narrative.
Commercial Plant Room Upgrade — Belgravia
A prestigious Belgravia residential block was running on two Potterton commercial boilers from the early 2000s — both failing…
Commercial PPM Contract — Mayfair Members Club
A prestigious Mayfair private members club needed to replace their long-standing maintenance contractor. RARE put together a…
Gas Safety Certificate Portfolio — West Hampstead Landlord
Annual Gas Safety certificates across a portfolio of 8 rental properties in West Hampstead and Hampstead — all coordinated,…
Legionella Risk Assessment & Tank Cleaning — St John's Wood Estate
A private estate manager received a compliance notice from their insurers requiring current Legionella risk assessments and tank…
Plant Room Rebuild — Oversized Boiler System Downsized for Efficiency
A London property's plant room had two Keston 55kW boilers — 110kW of combined output that was significantly oversized for the…
Managing a building that needs this level of cover?
Gas Safe registered, G3 qualified and DBS-checked. Plant room surveys, asset registers and PPM proposals for managing agents, landlords and estates.
PPM, compliance and plant room work.
Complete Commercial Heating Coverage
From commercial boiler repairs to full heating system design — explore the related services our commercial clients rely on across London.
Boiler Services
Heating & Systems
Commercial & Compliance
Reviewed by RARE Plumbing London Engineering Team
Gas Safe Registered Heating Engineers · Reviewed 6 October 2026