Replacement & new boilers

Boiler installation in Harbury

A new boiler should be quiet, efficient and correctly sized for the property. We survey properly, recommend a system that fits how you actually live, and leave the pipework and controls neat. Serving Harbury and the surrounding Warwickshire area.

Gas Safe registered engineersGoogle Reviews, 5.0 out of 5 from 85+ reviews5.0 from 85+ reviewsRead all 85+ reviewsWarwickshire based

No call-out fee on booked jobs · Written price before any work starts · Same day where we can

Engineer on site in Warwickshire
Same-week slots available

Harbury, Warwickshire

Boiler installation in Harbury

When we take on gas boiler installation in Harbury, you deal with the engineer doing the work rather than a call centre. That keeps the detail straight and means nothing gets lost between quote and completion. We are happy to work around tenants, letting agents and managed properties in Harbury where access needs arranging in advance.

Property context

Housing across Harbury varies enough that no two jobs are quite the same. Older properties often hide a mix of copper, plastic and imperial pipework, while newer homes tend to run sealed systems with unvented cylinders.

Heating in the area

Most heating work in Harbury is gas, and we service, repair and install condensing combi, system and heat-only boilers from the main manufacturers. Properties off the gas grid are usually on oil, and we cover Grant, Firebird, Warmflow and Worcester oil boilers too.

Plumbing in the area

We handle day to day plumbing repairs in Harbury alongside larger projects such as bathrooms, ensuites, cylinder replacements and mains water boosters.

Accredited & approved

Registered engineers, manufacturer-approved brands

  • Worcester Bosch logo
  • Vaillant logo
  • Intergas logo
  • Viessmann logo
  • OFTEC logo

Harbury boiler installation

New boiler installation, sized and fitted properly

Looking for a new boiler in Harbury and the surrounding Warwickshire area? Gas Safe registered boiler installers, a proper survey before any quote, and a written price with nothing hidden in it.

Boiler installation in Warwickshire is a big-ticket decision, and one you should only make every 10-15 years. We take the time to size it properly, install it cleanly and register the warranty on your behalf so you get the full manufacturer cover from day one.

A good installation starts with a proper heat-loss calculation, not swapping like-for-like. Homes change, insulation improves, extensions get added, and the boiler that was right ten years ago may be oversized today. Oversizing wastes fuel and shortens the boiler's life.

We install combi, system and regular boilers, gas and oil, from every major UK manufacturer, Worcester Bosch, Vaillant, Intergas, Baxi, Viessmann, Alpha, Grant and Firebird. Where the existing system is sludged or the pipework is undersized, we tell you what needs doing so the new boiler runs properly for its full life.

Every installation is left clean, commissioned to the manufacturer's benchmark, and registered with the appropriate scheme so your warranty is valid from day one. You get a proper handover so you know how the controls work.

Common signs to look out for

  • Boiler is over 12-15 years old and inefficient
  • Repairs are becoming frequent or expensive
  • Parts are no longer available for your model
  • You're extending, adding bathrooms or radiators
  • Hot water flow isn't keeping up with demand
  • You want smart controls or zoned heating

Thinking about a new boiler?

Book a survey and get a straight-talking quote

Speak to a real Warwickshire engineer, no call centres.

Engineer on site in Warwickshire
Team / van photo

Gas Safe registered engineers, workmanship guaranteed.

Local · Trusted · Insured

How we work

A simple, honest process

  1. 1

    Home survey

    We visit, look at the whole system, discuss how you use hot water and heating, and answer questions.

  2. 2

    Written quote

    Sized to your property, with the boiler brand and model, controls, warranty and any system work spelled out.

  3. 3

    Installation

    Old boiler removed, new one fitted, system flushed and inhibited, controls set up, everything tested.

  4. 4

    Handover

    Manufacturer registration, benchmark commissioning, warranty paperwork and a walk-through of the controls.

Thinking about a new boiler?

Book a no-pressure home survey

Two-minute call to book it in, free, no obligation, no hard sell.

Combi, system or regular?

The right boiler for your home

Combi boilers heat water on demand and are the most common choice in Warwickshire homes with one bathroom, no cylinder, no header tank, more airing-cupboard space.

System boilers pair with an unvented cylinder for mains-pressure hot water at every tap simultaneously, the right pick for larger homes and multi-bathroom properties.

Regular (heat-only) boilers keep an existing vented cylinder and header tank, the sensible upgrade when the wider system doesn't need changing.

Worcester Bosch combi & Nu-Heat unvented cylinder, fully re-piped

Thinking about a new boiler?

Book a survey and get a straight-talking quote

Speak to a real Warwickshire engineer, no call centres.

Sized to the property

Why heat-loss calcs matter more than model choice

Worcester system boiler with full manifold & heating zones
  • Room-by-room heat-loss calculation
  • Actual hot water demand, not rules of thumb
  • Radiator output check across the whole system
  • Mains pressure & flow measured on survey
  • Flue route confirmed against manufacturer spec
  • Future-proofed for heat pump / smart controls

Thinking about a new boiler?

Book a survey and get a straight-talking quote

Speak to a real Warwickshire engineer, no call centres.

Full manufacturer cover

Warranty, registration and workmanship

Manufacturer warranties on new boilers run 5-12 years when installed and registered by an approved engineer. We register every installation on your behalf and leave the paperwork with you.

Our own workmanship guarantee sits on top of the manufacturer warranty. If something we did comes back on us, we come back and put it right at no cost.

We only fit genuine manufacturer parts and use branded system protection (Sentinel, Fernox), the small saving on aftermarket kit rarely pays off in reliability.

Worcester Greenstar with condensate pump & twin expansion vessels

Thinking about a new boiler?

Book a survey and get a straight-talking quote

Speak to a real Warwickshire engineer, no call centres.

Coverage

Also covering near Harbury

Same-team engineers across the county. If your town isn't listed, give us a call, we cover most Warwickshire postcodes.

Answers

Frequently asked questions

The questions Harbury homeowners ask us most before booking a boiler installation.

Yes. Harbury (CV33) is inside our normal service area and we cover it for gas boiler installation throughout the year.

Yes. M&S Bespoke engineers are Gas Safe registered and fully insured, and all work is carried out to current regulations.

Call or message us with the details. For anything that needs assessing we will arrange a visit first so the figure we give you is accurate rather than a guess.

Yes. We work with private landlords and letting agents across Harbury, and we can arrange access with tenants directly.

A straightforward like-for-like combi swap is typically one working day. A boiler-type change (regular to combi, or a new location) or added system work will normally take two to three days.

We calculate the heat loss for the property, look at the number of bathrooms and hot water demand, and factor in the state of the system. We do not simply match the size of the old one.

Manufacturer warranties vary by brand and model, typically 5 to 12 years when installed and registered by an approved engineer. We will show you the options at the quote stage.

Yes. Manufacturer registration, benchmark commissioning and the appropriate notification are all included as part of the installation.

All three. Combi for smaller homes and single-bath properties, system boilers paired with unvented cylinders for larger homes with multiple bathrooms, and regular / heat-only boilers where the system is already vented.

Yes. We handle loft and garage installations regularly, including frost protection, condensate management and correct flue routing to OFTEC or Gas Safe standards.

Call or send a message and we book a survey. The written quote follows the visit, with the boiler make and model, controls, any system work and the warranty all listed, so you can compare it properly against anyone else's.

Yes, Gas Safe registered for gas and OFTEC registered for oil, so we can install and notify either fuel and register the manufacturer warranty on your behalf.

Boiler output and brand, whether it stays in the same position, gas supply pipe size, flue route, system cleansing, new controls and any cylinder or radiator work. We break each item out at quote stage rather than giving one round number.

Yes, Hive, Google Nest and Honeywell wired in as part of the install, or added later. We commission them with you before we leave.

Ready when you are

Three easy ways to start

  • Call us

    Speak to an engineer directly. Most faults can be narrowed down in a two-minute chat.

    Call +44 7716 439591
  • WhatsApp us

    Send a photo of the boiler and the fault code, we'll come back with a same-day quote.

    Message on WhatsApp
  • Full quote request

    Tell us the brand, symptoms and any fault codes. Written price back within one working day.

    Send job details

Send us the details

Request a straight-talking quote

Tell us what's happening, brand, symptoms, how long, any fault codes. We'll come back with a clear price and next steps.

1About the job
2Your details

Ready when you are

Speak to a Warwickshire engineer

Call, WhatsApp or request a written quote, whichever is easiest.