Boiler costs, quotes and installation, answered

Get a fixed-price boiler quote in under 2 minutes and book installation with Gas Safe registered engineers.

Get your fixed-price boiler quote in under 2 minutes

At BoxHeat, a new combi boiler starts from £1,799 fully installed, a regular boiler from £2,230 and a system boiler from £2,500 (correct in October 2026). Your price depends on the boiler you choose and any extra work your home needs. Our 

BoxHeat provides clear, fixed-price quotes upfront, so you know exactly what you'll pay.

Boiler Costs & Quotes

You can get an instant quote in under 2 minutes by answering a few simple questions about your home.

If anything needs to change, we'll confirm it with you before any work begins.

Some companies advertise low “from” prices that don't include all necessary work.

BoxHeat quotes are designed to be transparent, realistic, and fully explained upfront.

Most installations are completed within one day, although more complex jobs may take longer.

Boiler Installation

Yes — someone aged 18 or over must be present during installation.

Choosing the Right Boiler

Our quote tool helps recommend the right option.

Before Your Installation

Aftercare & Warranty

Usually, yes. Most manufacturers require the boiler to be serviced every year to keep the warranty valid, so check your warranty terms. Regular servicing also helps keep your boiler running safely.

Yes. Monthly finance is available, subject to status. See our 

Payment & Booking

Yes — we use secure, encrypted payment systems.

Changes & Cancellations

💡 Already received a quote elsewhere? We're happy to review it with you.

Why Choose BoxHeat

Most boilers last 10–15 years with regular servicing.

Boiler Installation FAQs