Boiler Installation
& Servicing
Gas Safe registered boiler installation, annual servicing and repairs across West London. We work with all major brands and provide free estimates on new installs.
Always use a Gas Safe registered engineer. It is illegal for non-registered engineers to carry out gas work in the UK. Check the register at gassaferegister.co.uk — or verify BKS Gas & Heating directly: No. 973556.
Boiler Installation
Whether you're replacing an old boiler or installing central heating for the first time, we handle the full job — from survey to sign-off. Free estimates available.
- Full survey and boiler recommendation
- Removal and disposal of old boiler
- Installation of new boiler with all fittings
- Flue installation or rerouting
- New programmer and thermostat
- Magnetic system filter fitted
- Power flush if required
- Gas tightness test and commissioning
- Building Regulations notification (Part P)
- Manufacturer warranty registration
Boiler Servicing
Annual boiler service to keep your heating running safely and efficiently. Essential for maintaining manufacturer warranties and satisfying landlord obligations.
- Visual inspection of boiler and flue
- Gas rate and pressure checks
- Combustion analysis
- Burner and heat exchanger inspection
- Safety device and controls check
- Carbon monoxide test
- System pressure check
- Written service report
Brands We Work With
We install and service all major boiler brands
Unvented Hot Water Cylinders
Bailey is G3 qualified for the installation and maintenance of unvented hot water cylinders — a specialist qualification required by law. Unvented cylinders deliver mains-pressure hot water to every tap and shower in your home.
- Mains-pressure hot water throughout the home
- No cold water tank required in the loft
- Compatible with solar thermal and heat pumps
- G3 Building Regulations compliance certificate provided
- Annual unvented service available
Why Choose BKS?
Gas Safe Registered
No. 973556. Fully qualified and legally registered for all gas work.
10+ Years Experience
Bailey has over a decade of hands-on experience across residential and commercial properties.
All Major Brands
Worcester Bosch, Vaillant, Ideal and more — installation and servicing.
Free Estimates
No-obligation quotes on all new boiler installations. Call or WhatsApp today.
Common Questions
How long does a boiler installation take?
A standard boiler replacement takes one day. A new installation with pipework changes may take two days. We'll give you a clear timeline before we start.
What boiler brands do you install?
We install and service all major brands including Worcester Bosch, Vaillant, Ideal, Baxi, and Viessmann. We'll recommend the best boiler for your property and budget.
How often should a boiler be serviced?
Every 12 months. Annual servicing keeps your boiler running efficiently, maintains your warranty, and — critically — keeps your home safe by checking for carbon monoxide and gas leaks.
Do I need to be Gas Safe registered to work on a boiler?
Yes. It is illegal for anyone who is not Gas Safe registered to carry out gas work in the UK. BKS Gas & Heating is Gas Safe registered (No. 973556). Always check the register before booking any gas engineer.
What does a boiler service include?
We check the boiler casing, controls, and heat exchanger; test flue gases and combustion; inspect the burner and gas valve; check pressure and safety devices; and provide a service report.
Get a Free Estimate
Tell us about your boiler job — we'll come back to you quickly.
Describe the job
Need a Gas Safe boiler engineer in West London?
£100 call-out — first hour and diagnostics included. Free estimates on all installations.