Warranty-safe installation
Every boiler installed to full manufacturer spec so the 7-10 year warranty holds.
Heating Installations · London
Heating installations
in London,
sized right, installed clean.
Boiler upgrades, full central heating, radiator upgrades and underfloor heating installed by a Gas Safe registered engineer, on a fixed price agreed before install day.
5.0★ on Google · Gas Safe registered · Written quote back in the same week.
15 yrs
On the tools
£1M
Public liability
5.0★
Google rated
12 mo
Workmanship guarantee
Same wk
Written quote
Service overview
Heating installed by Gas Safe engineers under one contract
What it is
New combi and system boiler installs, boiler upgrades and swaps, full central heating design and install, radiator upgrades, underfloor heating (electric and hydronic), power-flushing and system commissioning.
Who it's for
Homeowners upgrading a failing boiler, landlords bringing a rental up to spec, and clients on renovation projects who need heating designed around a new layout.
When you need it
Boiler over 10 years old, cold radiators, low pressure, noisy pipework, or a renovation / extension that changes the heating load of the property.
Why professional matters
Boilers are the most warranty-conditioned appliance in the house. Skipped flushes, undersized pipework or wrong flue routing all void manufacturer warranties, we install so the warranty holds.
The cost of getting it wrong
What goes wrong with cheap heating installs
A £100 saving on a boiler install can cost £2,000 in a voided warranty two years later. The economics only work if the install is done to manufacturer spec.
If ignored
-
Voided boiler warranties
Manufacturers require a magnetic filter, correct gas supply, system flush and commissioning notes. Skip any of those, the 10-year warranty is gone.
-
Undersized boiler, cold rooms
Boiler capacity calculated on square metres alone (not heat-loss) leaves rear extensions and top-floor rooms permanently cold.
-
Sludge kills new boilers
Installing a new boiler onto an old, unflushed system dumps sludge straight into the heat exchanger, expensive failure inside 2-3 years.
-
Wrong flue = CO risk
Flue routing that doesn't meet manufacturer clearances is a life-safety issue, not just a compliance one.
Common mistakes
-
Sizing on square metres, not heat loss
Real heating design uses room-by-room heat-loss calculations. Anything less is a guess.
-
No system flush on boiler swap
BS 7593 requires a power-flush and inhibitor on any boiler change. Skipping it is the #1 cause of premature failure.
-
No magnetic filter fitted
Manufacturers require a magnetic system filter on install, it's now warranty-critical, not optional.
How it works
A step-by-step system,
not a guess.
-
01
Step 1
Free survey & heat-loss check
We check current boiler, system age, gas supply size, flue routing and room-by-room heat loss.
-
02
Step 2
Fixed written quote
Itemised quote back inside the same week with recommended boiler, controls, filter and any pipework upgrades.
-
03
Step 3
Install & pipework upgrades
New boiler installed to manufacturer spec, magnetic filter fitted, gas supply upgraded if required, flue routed to clearance rules.
-
04
Step 4
Power-flush & commissioning
System power-flushed to BS 7593, inhibitor dosed, boiler commissioned with benchmark record signed off.
-
05
Step 5
Sign-off & guarantee registration
Gas Safe certificate issued, benchmark completed, manufacturer warranty registered on your behalf, 12-month workmanship guarantee.
What you actually get
Concrete outcomes,
not adjectives.
Heat-loss designed
Room-by-room heat-loss calc so every radiator is sized to actually warm the room.
System power-flushed
BS 7593-compliant flush and inhibitor on every boiler swap.
Gas Safe registered
All gas and boiler work carried out under Gas Safe registration with certificate issued.
One accountable team
Plumbing, gas, electrics and controls under one contract.
12-month guarantee
Written workmanship guarantee on top of the manufacturer warranty.
Materials & methods
Boilers, controls & heating systems we install
The right heating system depends on the property, the hot-water demand and the fuel supply. Here's the range we work in.
Materials we work with
- Combi boilers (Worcester Bosch, Vaillant, Viessmann, Ideal)
- System boilers with unvented cylinders for high hot-water demand
- Weather-compensating and load-compensating controls
- Smart thermostats (Hive, Nest, Tado, Wiser)
- Magnetic system filters (MagnaClean, Adey) on every install
- Aluminium and steel-panel radiators, designer towel rails
- Hydronic underfloor heating with manifolds and zone controls
- Electric underfloor heating mats for bathroom retrofits
Methods & standards
- Room-by-room heat-loss calculation before boiler sizing
- Gas supply sizing check against total appliance load
- System power-flush to BS 7593 on every boiler swap
- Manufacturer benchmark commissioning record signed off
- Manufacturer warranty registered on your behalf
Variations of this service
Combi boiler swap
Straight combi-to-combi swap with system flush, magnetic filter and controls upgrade. Typically 1-2 days on site.
Conventional to combi conversion
Full conversion including tank removal, pipework simplification and controls upgrade. Typically 3-5 days.
System boiler with unvented cylinder
For properties with high hot-water demand, multiple ensuites, family bathrooms running simultaneously.
Full central heating install
Complete design and install into new-builds, extensions or full renovations.
Underfloor heating
Hydronic UFH for extensions and open-plan spaces, electric UFH for bathroom retrofits under tile.
Property types & settings
We install into Victorian and Edwardian terraces (often needing gas supply upgrades), mansion-block flats (with landlord consent for flue routing), 1930s semis and modern new-builds.
Every install is quoted on a fixed-price basis after a free survey. Combi swaps, conversions and system boilers with cylinders are very different jobs, you'll have an itemised written quote back inside the same week.
A straight combi swap is typically 1-2 days. A conversion from conventional to combi is 3-5 days. Full central heating installs run 5-10 days depending on property size.
Yes. Every boiler swap includes a BS 7593-compliant power-flush and inhibitor dose. This is a manufacturer warranty requirement.
Yes. Manufacturer warranty registration is done on your behalf as part of the handover, along with the benchmark record and Gas Safe certificate.
We install weather-compensating controls and smart thermostats (Hive, Nest, Tado, Wiser) depending on your preference and boiler compatibility.
Yes, hydronic UFH for extensions and open-plan spaces, electric UFH mats for bathroom retrofits under tile.
£1,000,000 public and employer's liability insurance, plus Gas Safe registration.
12-month workmanship guarantee in writing, sitting on top of the manufacturer warranty (typically 7-10 years on the boiler itself).
North and West London, St John's Wood, Paddington, Kensington, Bayswater, Regents Park, Hampstead, Hammersmith, Chiswick and Ealing.
Book your free survey
Ready to price your heating installations
the honest way?
One site visit. One fixed-price written quote back the same week. No pressure, no hard sell, just the number and the plan to deliver it.
- Free local survey
- Written quote the same week
- Fixed-price, staged payments
- 12-month workmanship guarantee
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