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Gas Safe #568305 154+ Reviews Fixed Quote

New Boiler Installation
Birmingham

Gas Safe registered boiler installation across Birmingham. Worcester Bosch, Vaillant, Ideal and Baxi supplied and fitted. Fixed quote, same-day fitting, old boiler removed.

Typical range: £1,800–£2,700 for a combi boiler in a typical Birmingham terraced property
5.0 ★ Rating
154+ verified reviews on Google, Checkatrade & TrustATrader
Gas Safe Registered
#568305 — legally required for all gas installation work
Fixed Price Quote
Full itemised price before work starts — no hourly rates, no surprises
Old Boiler Removed
Disconnection, removal and recycling included in every quote
NK Gas Service & Repairs
What Our Birmingham Customers Say
Verified reviews from local homeowners and landlords
★★★★★

"Superb from first call to last screw. New Vaillant installed in our Handsworth house — engineers were tidy and explained everything."

Homeowner, Handsworth B20
★★★★★

"Used NK Gas for three Birmingham HMOs now. Consistent quality, fair prices, and the CP12 certificates arrive same day. Excellent."

Landlord, Erdington B23
★★★★★

"Old back boiler finally gone — the space freed up is incredible. New combi works perfectly and the heating bills have already dropped."

Homeowner, Selly Oak B29

New Boiler Installation in Birmingham

Birmingham's housing stock is one of the most varied of any city in the UK — and that variety means we encounter a very wide range of heating system ages and types across the B-postcode area. Handsworth and Lozells have dense streets of Victorian terraces, many of which were converted to gas central heating decades ago and are now running on ageing or end-of-life boilers. Erdington, Perry Barr and Kings Heath have streets of 1930s and 1950s semi-detached properties, often with original back boiler systems behind gas fires that haven't been serviced in years. And areas like Selly Oak, Northfield and Harborne have a growing proportion of student and rental HMO properties where landlords need fast, reliable boiler replacements to keep tenants comfortable and legally compliant.

We reach Birmingham from our Darlaston base in 7–10 miles depending on the area, typically 20–30 minutes via the A41 or M6 spur. We cover the western and northern Birmingham B-postcode areas regularly — including Handsworth (B18–B21), Erdington (B23), Perry Barr (B20, B44), Aston (B6), and south Birmingham including Selly Oak (B29) and Northfield. All quotes and survey visits are free and carry no obligation.

One of the most common scenarios we find across Birmingham's older housing is back boilers — floor-standing or wall-mounted units located behind gas fires, often installed in the 1970s and 80s. These are now obsolete and parts are increasingly difficult to source. When a back boiler fails in a Birmingham property it's almost always more cost-effective to replace it with a modern high-efficiency combi than to attempt a repair. The installation involves removing the old back boiler, capping the existing flue, fitting a new boiler in a more practical location (typically the kitchen or utility room), and replumbing the central heating circuit. We carry out these conversions regularly across the Birmingham area.

For Birmingham landlords managing HMOs or multi-unit portfolios, we can schedule boiler installations across multiple properties and coordinate with tenants directly. We provide full Gas Safe certification and Building Regulations documentation for each installation, and can combine the boiler installation visit with an annual service and CP12 gas safety certificate to reduce the number of engineer call-outs per property.

Signs Your Birmingham Boiler Needs Replacing

Any of these? A new boiler is probably more cost-effective than another repair.

Age

Over 12–15 Years Old

Most boilers have a design life of 10–15 years. Beyond that, efficiency drops and components fail more frequently — the economics of repair versus replace shift significantly.

Costs

Rising Repair Bills

If your Birmingham boiler has needed more than one repair in the past 18 months, the cumulative cost of keeping it running often exceeds the cost of a new installation.

Efficiency

High Gas Bills

Older G-rated and low-efficiency boilers waste 25–40% of the gas they consume. A modern A-rated boiler runs at 90%+ efficiency — the saving can pay for the installation over time.

Performance

Uneven Heating

Cold spots on radiators, slow heat-up times, inconsistent hot water temperature or pressure — these are signs an aging boiler is no longer performing to the level your home needs.

Availability

Parts No Longer Available

Manufacturers stop producing parts for older models — typically 10–12 years after production ends. A boiler that can't be repaired for lack of parts has to be replaced.

Safety

Safety or CO Warnings

Any boiler presenting with CO alarm activations, yellow/orange flames, sooting around the casing or unfamiliar odours should be assessed immediately. These are safety issues, not just efficiency ones.

Which Boiler is Right for Your Birmingham Property?

The right boiler depends on your property type, number of bathrooms and hot water demand — not just price.

Combi Boiler

Most popular choice

Heats water on demand — no tank, no cylinder. Ideal for most Birmingham properties with one bathroom.

  • No cold water tank in loft
  • No hot water cylinder needed
  • Compact — fits in kitchen cupboard
  • Instant hot water on demand
  • Best for 1–2 bathroom properties

System Boiler

For larger properties

Heats a stored cylinder — suits homes with high simultaneous hot water demand.

  • Excellent for 3+ bathrooms
  • High flow rates to multiple outlets
  • Works with solar thermal systems
  • No loft tank required
  • Best for larger Birmingham properties

Regular Boiler

Conventional system

Traditional open-vented system with loft tank and cylinder — still used in some older properties.

  • Works with existing pipework
  • Good for low mains pressure areas
  • Cylinder stores hot water supply
  • Loft tank maintains system pressure
  • Can be upgraded to sealed system

Not sure which is right? We assess your Birmingham property and advise on the best solution — at no charge, with no obligation.

£90
Annual Service
From £65
CP12 Certificate
Fixed
Installation Quote
Old Boiler
Removed & Recycled
Same Day
Gas Safe Cert

Why Choose NK Gas for Boiler Installation in Birmingham?

Gas Safe registered. Fixed prices. 154+ five-star reviews. 7–10 miles depending on the area from our base.

Gas Safe Registered #568305

Every boiler installation is carried out by Gas Safe registered engineers. Legally required — and verifiable online at GasSafeRegister.co.uk.

Fixed Price — No Surprises

Full itemised quote provided before any work starts. The price we quote is the price on the invoice. No hourly rates, no hidden extras.

Fast Local Response

7–10 miles depending on the area from our Darlaston base. Fast survey appointments and installation scheduling across Birmingham.

154+ Five-Star Reviews

Verified reviews across Google, Checkatrade and TrustATrader from homeowners and landlords across the West Midlands and Staffordshire.

All Major Brands

Worcester Bosch, Vaillant, Ideal, Baxi, Glow-worm and Viessmann — we supply and install all major brands with full warranty registration.

Full Certification Package

Gas Safe certificate, manufacturer warranty registration, and Building Regulations documentation — all issued same day as the installation.

Areas Covered in Birmingham B-postcode area

We cover Handsworth, Perry Barr, Erdington, Northfield, Selly Oak, Harborne, Kings Heath, Acocks Green and the surrounding B-postcode area postcode area.

B6
Aston & Witton
B18
Winson Green & Handsworth
B19
Lozells & Newtown
B20
Handsworth & Perry Barr
B21
Handsworth & Soho
B23
Erdington
B29
Selly Oak & Bournbrook
B44
Perry Common & Kingstanding

Boiler Installation Birmingham — FAQs

New boiler installation in Birmingham typically costs between £1,800 and £2,700 for a combi boiler in a typical terraced or semi-detached property, depending on the brand, output and pipework changes required. Back boiler replacements are usually at the higher end due to the additional work involved in removing the old unit and converting the system. We provide a fully itemised fixed quote — call 07404 922458 for a free no-obligation survey.
Yes — back boiler replacement is one of our most common jobs across Birmingham. We remove the old back boiler and gas fire unit, cap the existing flue, and install a modern combi or system boiler in a more convenient location such as the kitchen or utility cupboard. This frees up a significant amount of space and typically reduces gas bills by 25–30% compared to an aging back boiler. Most back boiler replacements in Birmingham are completed within one to two days.
We supply and install Worcester Bosch, Vaillant, Ideal, Baxi, Glow-worm and Viessmann across Birmingham. Worcester Bosch is the UK's bestselling boiler brand with a strong network of approved installers — their 10-year warranty on selected models makes them a popular choice for both homeowners and landlords. We recommend the right brand and model for your specific Birmingham property, hot water demand and budget.
Yes — we regularly work with Birmingham landlords and letting agents managing HMOs and rental portfolios across B6, B18–B21, B23, B29 and B44. We can coordinate with tenants for access, provide full Gas Safe certification on the same day as the installation, and combine the installation visit with a CP12 gas safety certificate to fulfil your annual landlord obligations in a single appointment.
For the Victorian and Edwardian terraces common in Handsworth, Lozells and Balsall Heath, a compact combi boiler is usually the best choice — it removes the need for a cold water tank in the loft and a hot water cylinder in the airing cupboard. If the property has more than one bathroom and high simultaneous hot water demand, a system boiler with an unvented cylinder may be more appropriate. We assess each Birmingham property individually rather than assuming one solution fits all.
Most straightforward boiler replacements in Birmingham are completed within a single working day — the old boiler is removed and the new one is installed, commissioned and tested in one visit. A back boiler conversion or a more complex system change may take one to two days. We always aim to restore heating and hot water on the same day wherever possible.

Get a Boiler Installation Quote in Birmingham

Gas Safe registered #568305 · 154+ five-star reviews · Fixed price · Old boiler removed · Same-day Gas Safe certificate

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