New Boiler Cost and Installation in 2025 | ARA Services

New Boiler Cost and Installation in 2025

Updated November 2025 · By ARA Services Ltd

Boiler installation London

.If your boiler is more then 15 years old, you may need an upgradee. A modern boiler can save you hundreds on energy bills because they run more efficiently, and offer better temperature control. ARA Services — your trusted Gas Safe engineers in London — explain the cost of a new boiler and installation in 2025, what may your influences the price, and how to plan your budget.

What is the current cost of a Boiler in 2025?

The Cost of a boiler is variant on diffrent things, although genreally speaking it can range between 12,200 and £10,000 ,Once you include the price of installationlattion , most London homeowners spend between £3,000 and £5,000 for a replacement boiler.

Typical Boiler Costs by Type

  • Combi boiler: £1,500 – £4,000
  • System boiler: £2,000 – £4,500
  • Conventional boiler: £2,500 – £5,000
  • Electric boiler: £2,000 – £4,000
  • Biomass boiler: £10,000 only)

For an accurate quote, it’s best to speak with a qualified local installer. Get a quote from ARA Services to find out exactly what your home needs.

Engineer repairing boiler in London

New Boiler Installation Cost

Boiler installation prices can vary depending on your property type and whether you’re replacing an old unit or converting to a new system. On average, installation in London costs between £1,000 and £2,000 for labour alone.

What Affects Installation Costs?

  • Type of boiler (combi, system, or regular)
  • Complexity of the job (e.g. moving or upgrading pipework)
  • Fuel type – gas, electric, or oil
  • Location within the property
  • Accessibility and preparation work

All gas boiler installations must be carried out by a Gas Safe registered engineer. At ARA Services, all our installers meet this standard and have years of experience fitting boilers across London homes safely and efficiently.

Boiler technician adjusting heating system

What is the Total Cost of a New Boiler and Installation

With the unit and fitting cost combined, you are looking at between£3,000 and £15,000. This can include all the extras e.g. labour, new pipework if required, and optional extras such as thermostats or filters.

Extras to Consider

  • A Magnetic filter can range between £60 – £150
  • A Smart thermostat (e.g. Hive, Nest) can range between £120 – £250
  • Powerflush cleaning: around £400 – £700
  • New radiators: £200 each including labour

Adding these extras often improves you systems longevity and actually saves money in the long term.

Boiler Grants and Funding in 2025

.Before you upgrade to a new boiler check if you are eligible for a free boiler grant, They're are grants of up to £7,500 avaliable when chaning boilers 15 years or older.

If you are eligible depends on your property and and what heating system you are replacing. The Team at ARA Services is always Avaliable if you have any questions

Modern boiler system in London home

Why Choose ARA Services for Your New Boiler in London?

  • Fully qualified Gas Safe engineers
  • Local, trusted service with 5★ Google reviews
  • Transparent pricing and free quotes
  • 24/7 emergency support and quick response times
  • All work guaranteed and insured

At Ara services We have been installing and servicing boilers across London for 10 years.If you are in need of afull system upgrade or a replacement boiler, we are Avaliable 24/7 to help.

in Need of a Quote?

Contact us about any boiler issues your having and we wo;; be happy to help. or book a free quote with ARA Services today. Our engineers are ready to help you choose the right boiler for your home and budget.

Get Your Free Quote

Or call us 24/7 on 07727 154746


FAQs

Does it take Long to install a new boiler?

No for a trained professional it should only take around 6 hours, however if they run into any issues it could take longer.

Is it worth replacing a 15-year-old boiler?

Yes, old boilers are not energy-efficient and proned to breaking down more often, replacing it will save money in repairs and effeciency over time.

Can I get help paying for a new boiler?

Yes there is a goverment scheme that can help you with up to £7,500 Depending on your circumstances ARA Services can check what support is available and guide you through the process.

What size boiler do I need?

It is all Depending on what size your house is, the amount of bathroom you have in the house and the genreal heating demands of the house. Our Engineers at ARA services can help you out if your not sure.