- PH: 02080584241
- Email: info@befix.co.uk
About Us
Whether it’s a small repair or a big emergency, our skilled tradespeople are here to help with a smile. We know how much your property means to you, and we’ll treat it like our own. Let’s get your place fixed up—give us a shout!
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- 227B Nether St, London N3 1NT
- 020 8058 4241
- info@befix.co.uk
- Mon–Fri: 7:00 AM – 10:00 PM Sat–Sun: 9:00 AM – 8:00 PM
Boiler Installation in Kensington
- Fast & reliable boiler installation
- Expert guidance every step of the way
- Certified Gas Safe engineers
- Guaranteed quality & efficiency
Or reach out for assistance, guidance, or to schedule an appointment
BeFix sizes every boiler to the property, whether that’s a compact combi for a Kensington High Street mansion block flat, a higher-output system for a Holland Park stucco villa, or something in between for the newer flats around West Kensington. Gas Safe registered engineers (No. 967796) carry out every job, part of our wider boiler installation london coverage, with a written quote and a 12-month workmanship warranty as standard.
Flat / no cylinder wanted
Combi boiler
£1,500 – £3,750
All-in-one and compact, the usual fit for smaller Kensington flats and conversions.
Larger house, multiple bathrooms
System boiler
£1,500 – £3,500
Pairs with a cylinder to hold reserve hot water for period homes with several bathrooms.
Keeping existing tank & cylinder
Regular boiler
£1,500 – £3,500
Like-for-like replacement where the existing tank and cylinder stay in place.
Boiler Installation Costs in Kensington
Prices vary with the boiler type, your existing pipework and how easy the current boiler is to access. There’s no single fixed fee that applies to every Kensington property. These figures cover supply, installation and gas registration, and the exact price is always confirmed in writing after a free site visit rather than estimated over the phone. Some installers advertise headline figures like “from £1,595” or promise installation within 24–48 hours of your first call; we’d rather give you a realistic range and a realistic timeline. Once your appointment is booked, the installation itself typically takes around 8 hours, a single working day, because arranging the visit, confirming the right boiler for your property and ordering it takes longer than a day or two. Boiler finance is available if you’d like to spread the cost over monthly instalments.
Why Kensington Homes Need Specialist Installation
Kensington isn’t one type of property. Near Holland Park you’ll find large stucco-fronted villas with high ceilings and several floors of radiators to heat. Along Kensington High Street, mansion blocks bring shared risers, restricted flue routes and freeholder rules that affect where a new boiler can go. Around South Kensington and Gloucester Road, period conversions and mansion flats bring similar shared-riser constraints. Toward West Kensington, more modern apartments are smaller, better insulated and need far less output. Add in the borough’s mix of Georgian, Victorian, Edwardian and contemporary building fabric, and it’s clear a single standard boiler doesn’t fit every Kensington home.
We size the boiler and system to the property rather than the other way round: a stucco villa with six radiators and multiple bathrooms needs a different output to a one-bedroom mansion block flat, and a solid-wall Victorian terrace loses heat differently to a well-insulated later conversion. Here’s how that typically translates into a system recommendation; your free site survey confirms the exact specification.
| Property type | Best-suited system |
|---|---|
| Stucco-fronted villa (Holland Park) | High-output combi or system boiler |
| Mansion block flat (Kensington High St) | Compact combi, flue route agreed in advance |
| Georgian/Victorian/Edwardian terrace | System boiler with cylinder, or combi with pipework upgrade |
| Modern apartment (West Kensington) | Compact wall-hung combi |
Our installation process
1
Free survey and assessment
An engineer visits to check access, existing pipework and the best position for the new boiler.
2
Written, itemised quote
A clear price breakdown before any work is booked in, not a vague estimate.
3
Installation day
Most straightforward swaps take around 8 hours and are completed within a single working day; more complex jobs may need longer.
4
Fitted by a Gas Safe engineer
All work carried out under registration number 967796.
5
Safety testing & registration
Every new boiler is commissioned, tested and registered — a gas safety certificate is available if you need one.
6
Warranty
12 months' workmanship cover from BeFix, plus up to 12 years' manufacturer warranty depending on the model.
Boiler Brands We Install
We supply and install boilers from Worcester Bosch, Vaillant, Ideal, Keston, Remeha, Baxi, Main and Viessmann. We’re an accredited installer for Worcester Bosch, Baxi, Vaillant and Ideal, which means those manufacturers back our installations with extended warranty terms.
Worcester Bosch
Accredited installer
Baxi
Accredited installer
Vaillant
Accredited installer
Ideal
Accredited installer
Keston
Installed & serviced
Remeha
Installed & serviced
Main
Installed & serviced
Viessmann
Installed & serviced
Gas Safe Registered & Fully Insured
Gas Safe registered
Number 967796, verifiable on the official Gas Safe Register at any time.
Public liability insured
for the duration of every job.
10+ years' experience
per engineer, including older, awkward-access properties common in Kensington.
Our Gas Safe registration number is 967796, which you can check on the Gas Safe Register website at any time. Every engineer carrying out your installation is individually Gas Safe registered, and BeFix holds public liability insurance for all work carried out in your home. Our engineers each bring more than 10 years’ experience installing and maintaining boilers across London.
This isn’t an optional accreditation, it’s a legal requirement for anyone carrying out gas work in the UK.
Verified reviews from recent installs
Join the thousands of satisfied London homeowners who trust us for warm, comfortable homes all year round.
Get Started with Your Boiler Installation Today
Whether you need a quick swap or a comprehensive heating upgrade, our team is ready to help. With transparent costs, fast turnaround, and top-rated customer care, we make boiler installation stress free.
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Areas We Cover Near Kensington
Frequently Asked Questions
How much does a new boiler installation cost in Kensington?
Combi boilers typically cost £1,500 to £3,750 fully installed, and system or regular boilers £1,500 to £3,500. The exact price depends on the boiler size, your existing pipework and how accessible the current boiler is, and is confirmed in writing after a free site visit.
How long does boiler installation take?
Once your appointment is booked, the installation itself normally takes around 8 hours and is completed within a single working day. Arranging the site visit and ordering the right boiler for your property takes longer than the 24 to 48 hours some installers advertise.
What's the best boiler for a Kensington mansion block flat vs a period villa?
A mansion block flat usually suits a compact combi sized to one or two bathrooms, fitted around shared risers and freeholder rules on flue routes. A larger period villa with more radiators and bathrooms typically needs a higher-output combi or a system boiler with a cylinder.
Are you Gas Safe registered?
Yes. Our Gas Safe registration number is 967796, and every engineer who works on your installation is individually Gas Safe registered. You can check this yourself on the Gas Safe Register website at any time.
Do you offer finance?
Yes, boiler finance is available so you can spread the cost of your installation over monthly instalments rather than paying the full amount upfront. Ask for finance details when you get your written quote.
What warranty comes with a new boiler installation?
Every installation includes 12 months' workmanship cover from BeFix, on top of up to 12 years' manufacturer warranty depending on the boiler model and brand.
Do I need my freeholder's permission for a new boiler in a Kensington mansion block?
Many Kensington mansion blocks have lease terms covering flue positions, external venting and shared risers, so it's worth checking with your freeholder or managing agent before work starts. We're happy to provide technical details of the proposed installation if your freeholder needs them.