- 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 Hampstead
- 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 fits new boilers across Hampstead NW3, combi, system and regular models, for £1,500 to £3,750 depending on the boiler and how complex the job is. It’s part of our wider boiler installation London service, and every job here is carried out by a Gas Safe registered engineer (registration number 967796), whether that’s a straightforward swap in a modern flat or a full system replacement in a Victorian or Edwardian house. You’ll get a written quote before any work starts, finance is available if you’d rather spread the cost, and every job comes with a workmanship guarantee on top of the manufacturer’s warranty.
Flat / no cylinder wanted
Combi boiler
£1,500 – £3,750
All-in-one and compact, the usual fit for Hampstead conversions and smaller flats.
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 Hampstead
These figures cover the boiler itself, labour, parts, disposing of the old unit, and the paperwork, but where you land in that range comes down to the individual job, not a flat rate. System and regular boilers start from a higher floor than combis because they’re fitted alongside a hot water cylinder, which means extra pipework and fittings, and on an upgrade, sometimes a new cylinder too. A straightforward swap where the new boiler goes back in the same spot costs less than one that needs the flue rerouted, pipework upgraded, or access improved through a loft hatch or built-in cupboard, all common in Hampstead’s older housing stock. We survey the property first and give you a clear, itemised quote for your specific job, so you know exactly what you’re paying for before any work begins. Finance is available on approved applications if you’d rather spread the cost over several months.
Why Hampstead Homes Need Specialist Installation
Much of Hampstead is Victorian and Edwardian terraced housing, built decades before modern heating systems existed. Boilers typically end up tucked into a loft, an airing cupboard or a converted box room, which usually means a longer flue run and pipework that has to work around original joists and chimney breasts rather than a clear, purpose-built plant space. Getting the flue route, clearances and condensate drainage right in these properties takes more planning than a straightforward new-build installation.
Period housing stock
Boilers typically sit in a loft, airing cupboard or box room, meaning a longer flue run and pipework that works around original joists and chimney breasts.
Conservation area & Article 4
Most of Hampstead sits under an Article 4 direction removing permitted development rights for flues on front or street-facing elevations. We check this before quoting.
Hard water
Hampstead’s water speeds up scale build-up on the heat exchanger. We fit a scale reducer and filter as standard, often a condition of the extended warranty.
Most of Hampstead also sits within the Hampstead Conservation Area, which carries an Article 4 direction removing several permitted development rights on the front and street-facing sides of properties, and this directly affects where a new boiler flue can go. According to Camden Council’s Hampstead Conservation Area Design Guide:
New flues, chimneys or soil vent pipes now need planning permission on the front elevation (and sides where these front the street) and will be resisted. Minor alterations such as the replacement of a cowl with one the same size or smaller does not need planning permission.
In practice, this means the flue on many streets has to go round the back or side instead, or you’ll need to submit a planning application first. We check this before quoting, so there are no surprises once work gets under way.
Hampstead’s water is also notably hard, which speeds up scale build-up inside a boiler’s heat exchanger. We fit a scale reducer and filter as standard on every installation here, since most manufacturers make this a condition of the extended warranty in hard water areas, and skipping it can invalidate the cover you’re paying for.
| Property type | Typical installation challenge |
|---|---|
| Victorian terrace | Boiler usually sited in a loft or box room, meaning a longer flue run |
| Edwardian semi | Original chimney breast often reused to route the flue |
| Conservation-area frontage | Flue must avoid the front or street-facing elevation under Article 4 |
| Converted flat | Shared freehold may mean the flue position needs the building's consent |
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 — no vague "from" figure.
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 install and service all the major boiler manufacturers, and we’re an accredited installer for four of the most requested brands in Hampstead.
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
Being an accredited installer for Worcester Bosch, Baxi, Vaillant and Ideal means these manufacturers have vetted our engineers directly, which is also usually needed to unlock their longer extended warranties. If you’re renewing the wider heating system at the same time, our central heating installation team can handle radiators and pipework alongside the new boiler.
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 Hampstead.
Every BeFix engineer who works on your installation is Gas Safe registered, and our registration number, 967796, is available to check directly on the official Gas Safe Register at any time, not just as a badge on the page. We also carry public liability insurance, so you’re covered for the duration of the job. Our engineers each bring more than ten years’ experience fitting and servicing boilers across London, including the older, awkward-access properties that are common in Hampstead.
See Our Recent Work
Verified reviews from recent installs
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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 Hampstead
- Boiler Installation Belsize Park
- Boiler Installation Swiss Cottage
- Boiler Installation West Hampstead
- Boiler Installation Highgate
- Boiler Installation Golders Green
- Boiler Installation Kentish Town
- Boiler Installation Primrose Hill
Frequently Asked Questions
How much does a new boiler installation cost in Hampstead?
Combi boilers typically cost £1,500–£3,750 installed, while system and regular boilers usually run £1,500–£3,500, since they're fitted alongside a hot water cylinder. The exact figure depends on the model and how much pipework or flue work the job needs.
How long does boiler installation take?
A straightforward like-for-like swap usually takes around 8 hours and is finished within a single working day. More involved jobs, such as relocating the boiler or upgrading pipework, can take longer, and we'll confirm the timescale at your survey.
Do I need permission to install a boiler in a Hampstead conservation area?
Often, yes, for the flue. Most of Hampstead falls under an Article 4 direction requiring planning permission for a new flue or vent pipe on a front or street-facing elevation, so we check your property's restrictions before quoting.
What boiler is best for a Victorian or Edwardian house?
It depends on the layout, but many Hampstead terraces suit a system boiler paired with a cylinder, since it copes well with multiple bathrooms and doesn't rely on strong incoming water pressure. We recommend the right fit after a free survey.
Are you Gas Safe registered?
Yes. BeFix's engineers are Gas Safe registered, and our registration number (967796) is available on request or via the official Gas Safe Register.
Do you offer finance?
Yes, finance is available on approved applications, letting you spread the cost of your new boiler over several months.
What warranty comes with a new boiler installation?
Every installation includes 12 months of workmanship cover from BeFix, plus up to 12 years' manufacturer warranty depending on the boiler model.
What size boiler do I need for a Victorian house in Hampstead?
It's based on the number of radiators, bathrooms and hot water demand rather than the age of the house alone. Our engineers size the boiler during the free survey so it's neither under- nor over-powered for your home.