Boiler Installation & Replacement in Hillingdon
Boiler installation in Hillingdon starts with a free in-home survey and a fixed written quote, covering Uxbridge, Hayes, Ruislip, Ickenham and West Drayton. This page is about replacing a boiler: if yours only needs a breakdown repair or its yearly service, a repair or servicing visit is the quicker and cheaper answer.
Free survey, fixed quote
Nothing is quoted until an engineer has seen the property.
All of Hillingdon
Survey and installation appointments across the whole borough.
Gas Safe notified
Every installation notified for Building Regulations through the Gas Safe scheme.
Benchmark commissioned
Completed for your manufacturer warranty on every install.
Local knowledge
Hillingdon housing & boilers
Hillingdon housing is dominated by interwar and post-war semis with modern estates near Heathrow. Replacing a boiler in Hillingdon's outer-suburban areas like Uxbridge (UB8) and Ruislip (HA4) often involves older heat-only systems. The larger semis and detached houses common in these post-war neighbourhoods frequently have the space for a new cylinder, which is a key consideration when switching to a modern system. For properties in the postal districts of UB3 or UB10, which include modern estates, installation requirements can differ. A professional assessment is essential to determine the best boiler type, such as a combi or system model, for your specific property and hot water needs.
Knowing the local building stock matters: it tells us what to expect on flue routing, pipework and available space for a cylinder — before we arrive for the survey.
Covered in Hillingdon
- New boiler installation — combi, system or regular
- Combi and system boiler replacement
- Old boiler removal and responsible disposal
- Central heating system upgrades and power flushing
- Free in-home survey with a fixed written quote
- Gas Safe registered engineers on every job
Survey, recommend, install
Free in-home survey
An engineer assesses radiators, bathrooms, pipework and flue routing before anything is quoted.
Right-sized recommendation
Combi, system or regular — recommended on merit for the property, not by default.
Gas Safe installation
Fitted by a fully Gas Safe registered engineer, commissioned to the Benchmark checklist.
What we do
Boiler services in Hillingdon
New Boiler Installation
Free Survey, Fixed Quote
Combi Boiler Replacement
Most Common Replacement in London Flats & Terraces
System Boiler Replacement
Built for Multiple Bathrooms
Old Boiler Removal & Disposal
Safe Isolation, Responsible Disposal
Central Heating System Upgrade
Beyond Just the Boiler
Hot Water Cylinder Replacement
Vented or Unvented, Sized to Your Household
Boiler & Cylinder Combined Replacement
One Survey, One Fixed Quote, Both Sized Properly
Areas we cover in Hillingdon
Where we work
Hillingdon coverage map
Map data © OpenStreetMap contributors.
Before you book anyone
Is There a Grant for Gas Central Heating? First-Time Central Heating Explained
ECO4's first-time central heating measure can fund a boiler, radiators and controls in a home that has never had central heating, but only for qualifying households, and it is not a grant to replace a boiler you already have.
New boiler installation in Hillingdon — FAQs
How does a new boiler installation work in Hillingdon?
The same way everywhere we cover: a free in-home survey first, a fixed written quote based on what the engineer finds, then a Gas Safe registered installation. Nothing is quoted for a Hillingdon property without an engineer seeing it first.
Do you charge for the survey in Hillingdon?
No — the in-home survey is free and comes with no obligation to proceed. You only pay if you accept the fixed quote that follows.
How quickly can you survey a property in Hillingdon?
Survey appointments across Hillingdon are arranged at a time that suits you. Tell us if your existing boiler has failed and you need to move faster.
Which parts of Hillingdon do you cover?
All of it — including Uxbridge, Hayes, Ruislip, Ickenham, West Drayton. We cover every London borough, so coverage never depends on which side of a postcode line you live.
Read before you book
Boiler guides
Is There a Grant for Gas Central Heating? First-Time Central Heating Explained
ECO4's first-time central heating measure can fund a boiler, radiators and controls in a home that has never had central heating, but only for qualifying households, and it is not a grant to replace a boiler you already have.
ReadWhat Is a Megaflo? Is It Just an Unvented Cylinder?
Megaflo is a brand of unvented cylinder, not a type of system. What it does, which version suits a boiler or heat pump, and why sizing and the mains supply matter more than the badge.
ReadWhat Is Vaillant Advance? Accredited Installers and Your Warranty
Vaillant Advance is Vaillant's scheme for installers. It does not make fitting legal (Gas Safe does), but on many models it decides whether you get the standard or a longer warranty. Here is what it means for a new boiler and how to check it.
ReadHow Much Does It Cost to Replace a Combi Boiler?
A like-for-like combi swap typically costs £1,050 to £2,250 for a 24-27kW boiler and £2,000 to £2,800 for a 28-30kW one on UK averages. Moving the boiler, the flue, the gas pipe and the state of the system decide where your quote lands.
ReadAre Baxi Boilers Any Good? Which Baxi Boiler Should You Choose?
Baxi boilers are a sound, budget-conscious choice when the type and output match your home. The 200 to 800 tiers mostly differ in features and warranty; sizing decides whether the boiler keeps up.
ReadAre Vokera Boilers Any Good? What to Know Before Replacing Yours
Vokera is a value-to-mid-range boiler brand that does the job well when it is the right type and size and fitted properly. The bigger decision is usually what to replace an old Vokera with, not the badge on the front.
ReadNew boiler installation across London
Thinking about a new boiler in Hillingdon?
Tell us about the property. Free survey, fixed quote in writing, no obligation to proceed.
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