New Boiler.
Fixed Price.
Installed Today.
Get a brand new A-rated boiler fully installed from just £999. Fixed price, no hidden costs. 0% finance from £27/month.
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01536 000 000
A New Boiler in 4 Simple Steps
We've made getting a new boiler as simple as possible. No surveys, no waiting — just a fixed price and fast installation.
Use Our Calculator
Answer a few quick questions about your home. Takes 2 minutes. Get a fixed price instantly — no call needed.
Choose Your Boiler
We'll recommend the best boiler for your home and budget. All A-rated, all covered by manufacturer warranty.
Book Your Install
Pick a date that suits you — even tomorrow. We carry most boilers in stock for next-day installation.
Stay Warm
Our Gas Safe engineers install your new boiler cleanly and efficiently. Usually done in one day. Certificate provided.
Every Type of Boiler, Fixed Price
Not sure which boiler you need? Use our calculator or call us — we'll recommend the best boiler for your home and budget.
Combi Boiler
Most popular choice
Combined boiler and water heater in one unit. No hot water cylinder or cold water tank needed. Perfect for smaller homes and flats.
- Instant hot water on demand
- Space-saving — no cylinder
- Energy efficient A-rated
- Lower installation cost
Best for
1–3 bed homes / flats
System Boiler
For larger homes
Works with a hot water storage cylinder. Ideal for homes with multiple bathrooms that need hot water at several points simultaneously.
- Multiple taps at once
- Great water pressure
- Works with solar panels
- Fast hot water delivery
Best for
3–5 bed homes
Heat Only Boiler
Traditional / regular
Also called a conventional or regular boiler. Requires both a hot water cylinder and a cold water feed tank. Best for replacing old systems.
- Low water pressure compatible
- Works with old pipe work
- Ideal for replacing old systems
- High hot water capacity
Best for
Older properties
Oil Boiler
Off gas grid
For properties not connected to the mains gas network. Uses heating oil stored in an external tank. Highly efficient modern models available.
- Off-grid solution
- High heat output
- Reliable in rural areas
- A-rated efficiency
Best for
Rural / off-grid homes
LPG Boiler
Liquid petroleum gas
Liquid petroleum gas boilers are similar to natural gas combi or system boilers but run on LPG stored in a tank or bottles on your property.
- Similar to gas operation
- Cleaner than oil
- Efficient modern models
- Can convert natural gas boiler
Best for
Off-grid / rural homes
Smart Boiler
Connected heating
Any boiler type paired with a smart thermostat like Nest, Hive, or Worcester Wave. Control your heating from your phone and save on energy bills.
- Control from your phone
- Learning schedules
- Save up to 30% on bills
- Works with Google / Alexa
Best for
Tech-savvy homeowners
Takes 2 minutes · Fixed price · No obligation
We install all major brands
Don't let cost
stop you staying warm.
Over 54% of our customers choose to spread the cost with our 0% finance option. No deposit required, no interest — ever. Just one simple monthly payment.
- 0% APR — no interest, ever
- No deposit required
- Instant decision, soft credit check
- Pay from just £27/month
- FCA regulated finance provider
Example based on a £1,099 combi boiler installation
Over 12 months
Over 36 months
Over 60 months
Finance is subject to status. Corby Boiler Installations acts as a credit broker, not a lender. Representative example: £1,099 over 36 months at 0% APR = £30.53/mo.
What Our Customers Say
Over 150+verified reviews from Corby & Northamptonshire
“Boiler installed within 24 hours of enquiring. The lads were brilliant — clean, professional and done by lunchtime. Would recommend to anyone in Corby.”
Sarah T.
Corby · Worcester Bosch Combi
“Went for the 36-month 0% finance option and couldn't be happier. Price was exactly as quoted — no hidden extras. Warm house, happy wife!”
Mark H.
Kettering · Vaillant System Boiler
“Our old boiler packed in the middle of winter. Corby Boiler Installations had a new one fitted the very next morning. Absolute lifesavers.”
Julie & Pete W.
Corby · Ideal Logic Combi
“Used their online calculator, got a fixed price and booked same day. No sales calls, no upselling. Brilliant service from start to finish.”
Dave R.
Wellingborough · Baxi 800 Combi
Ready for a New Boiler?
Get a fixed price in 2 minutes. No call needed. 0% finance available.