New Boiler Installation
Expert boiler installation across West London. Safe, efficient and built to last.
Our Gas Safe registered engineers install high-efficiency boilers from leading brands, with clear advice, tidy workmanship and a complete handover.
Great Gas Ltd installs modern combi, system and regular boilers for homes, landlords and small commercial properties across West London. Every installation starts with a clear survey, practical boiler sizing advice and honest guidance on controls, warranties and long-term running costs.
From first quotation to commissioning, our focus is safe gas work, efficient heating, neat pipework and a clean handover. We help you choose a boiler that suits your property, hot water demand and budget, then install it with care so the system is ready for reliable daily use.
What's Included
A complete replacement boiler installation, planned around your property, hot water demand and existing heating system.
- Home survey, heat demand review and access checks
- Boiler sizing, product advice and controls recommendation
- Clear quotation covering labour, materials and agreed options
- Removal of the existing boiler where required
- Gas Safe installation, flue route and condensate checks
- Commissioning, system testing and control setup
- Warranty guidance, registration support and tidy handover
Why It Matters
A correctly specified boiler can improve comfort, reduce waste and make daily heating easier to control.
- 01High-efficiency boiler matched to your home
- 02Clear advice on combi, system or regular boiler options
- 03Neat pipework, controls and finishing details
- 04Gas Safe workmanship with commissioning checks
- 05Aftercare guidance so you know how to use the system
Our Simple Process
From survey to handover, the installation is planned carefully and explained clearly.
- 1Home Survey
We assess your property, hot water use, flue route and existing system.
- 2Fixed Quotation
You receive clear options, product advice and a transparent installation price.
- 3Gas Safe Installation
The agreed boiler, controls and pipework are installed neatly and safely.
- 4Commissioning & Handover
We test the system, explain the controls and leave the work area tidy.
Why Choose Great Gas Ltd?
Homeowners, landlords and businesses choose us for professional advice, respectful workmanship and clear communication from first call to final handover.
- Experienced, fully qualified engineers
- Clear advice and transparent pricing
- Respectful, tidy workmanship
- Local West London service you can trust
New Boiler Installation Across West London
New Boiler Installation delivered by local engineers with safety, efficiency and dependable workmanship at the centre of every visit.
- Gas Safe registered workmanship
- Clear advice before work begins
- Local heating support across West London
Choosing the Right Boiler for Your West London Home
A new boiler should be selected around your property, hot water demand and the way your household uses heating each day. Great Gas Ltd looks at the complete system before recommending a replacement boiler, so the installation is efficient, compliant and suitable for long-term use.
A correctly specified boiler can improve comfort, reduce waste and make daily heating easier to control.
- High-efficiency boiler matched to your home
- Clear advice on combi, system or regular boiler options
- Neat pipework, controls and finishing details
For new boiler installation in Isleworth and across West London, our focus is clear advice, tidy workmanship and a heating system that feels dependable from the first day.
Accurate Boiler Sizing
We assess property size, bathrooms, radiators and hot water use so your boiler is not underpowered or oversized.
Safe Installation Standards
Our Gas Safe registered engineers complete flue, condensate, ventilation and commissioning checks before handover.
Controls and Efficiency
We set up suitable controls and explain how to use them to reduce wasted energy and improve comfort.
What Our Customers Say
Great Gas Ltd is rated 5.0 on Google. Read the latest original customer feedback directly on the live Google Reviews profile.
Rated 5.0 on Google
Great Gas Ltd has a public 5.0 Google rating. Visit the live Google Reviews page to read original customer comments and the newest feedback.
View Google reviewsProfessional plumbing service
I’m very happy with the plumbing service I received. Darek arrived on time as agreed and carried out the work professionally from start to finish. He rebuilt the waste pipe efficiently, and everything went smoothly with no issues at all. …
Read on GoogleGas fireplace connection
Excellent service! We needed a gas fireplace connected and a new live gas pipe introduced. Darek was able to help us do this with minimal disruption to our living room. He made sure the fireplace was properly connected and that we knew how to work it. Great service all round!
Read on GoogleFrequently Asked Questions
Clear answers to the questions customers often ask before booking new boiler installation.
Q01How long does a new boiler installation take?
Most like-for-like installations are completed within one working day, although more complex upgrades may take longer.
Q02Which boiler is best for my home?
We assess your hot water demand, property size and existing system before recommending a suitable boiler.
Q03Do you remove the old boiler?
Yes. We can remove and dispose of the old boiler and leave the work area clean and tidy.
Q04Will I receive a warranty?
Yes. Warranty options depend on the boiler model and installation requirements.
Q05Do you help with boiler controls and thermostats?
Yes. We explain suitable controls, programmer settings and thermostat options so your new boiler is practical to use from the first day.
Q06Can you install a boiler for landlords or managed properties?
Yes. We support homeowners, landlords and property managers, with clear communication, tidy workmanship and practical handover information.
Q07Will the new boiler be registered after installation?
Yes. Where required, we arrange the relevant boiler registration and explain warranty documents, service records and user guidance before completion.
Boiler expertise across leading manufacturers
Great Gas Ltd supports modern boiler installation, servicing and repairs for well-known boiler brands used in homes across West London.
Ready to Book New Boiler Installation?
Contact Great Gas Ltd for expert advice, a clear quote and reliable local service.
- Gas Safe registered engineers
- Fast local response
- Clear advice, no pressure