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Replacement Gas & Oil Boilers

We're a platinum accredited installer of the industry-leading Worcester Bosch range of boilers throughout Leicestershire and Northamptonshire.

Complete Peace of Mind with A NEW Worcester Bosch Boiler

With their amazing Which? awarded efficiency, reliability and up to 10 years’ guarantee, Lewington Heating has been recommending and installing the award-winning Worcester Bosch gas and oil fired boiler range for many years, so you can be assured to get a quality product with a 5-star service.

Worcester Bosch Platinum Accredited Installer

The Worcester Bosch gas boiler range is highly efficient and for the sixth year running scooped Which? Best Buys. In addition, Worcester Bosch was voted Most Reliable Boiler Brand and Most Satisfied Customers by Which? members.

Boiler Finance Options

We appreciate that a new boiler is not always planned for. That’s why we can offer low monthly payment options for upto 10 years so you can keep your money for the finer things in life!

9.9% APR Finance

For customers looking to replace their boiler at the lowest monthly cost

  • No maximum limit
  • Low deposit of £300 or more
  • Finance up to 10 Years
10 years icons
10 Year Guarantee available
Interest Free Credit

2 year loan of up to £3000 with as little as £300 deposit to pay

  • Borrow up to £3000
  • Low deposit of £300 or more
  • Up to 2 years interest free credit
10 years icons
10 Year Guarantee available
Buy Now Pay Later

Make repayments over a 12 month period with no interest to pay

  • No maximum limit
  • Low deposit of £300 or more
  • 12 months no interest
10 years icons
10 Year Guarantee available

Types of Boiler

There are three types of boiler – Combination, Regular and System boilers. Different boiler types suit different houses, but all could help lower your energy bills.

Combination Boilers

A “combi” boiler acts as both a cost-effective central heating boiler and a high efficiency water heater, all in one compact package. Water comes straight from the mains delivering excellent pressure for showers and taps.

The combi boiler is one of the most popular types of boiler to be installed, accounting for 2 out of every 3 boilers installed annually.

Gas, oil and liquid petroleum gas (LPG) fired models are available.

Regular Boilers

A regular boiler, aka a traditional, conventional or heat-only boiler, requires a hot water cylinder, expansion cistern and cold water tank in the loft, making it better suited to homes with low water pressure and a traditional heating and hot water system already installed. If you have an older radiator system or your household requires a large volume of stored hot water (e.g. for multiple bathrooms), a regular boiler might be your best option.

Regular boilers are also compatible with solar water heating systems for lower energy costs and a smaller carbon footprint.

Gas, oil and liquid petroleum gas (LPG) fired models are available.

System Boilers

Similar to a regular boiler, a system boiler also requires a hot water cylinder; however, a system boiler has the major components needed to run a heating and hot water system built in, removing the need for an expansion tank in the loft, and generally making for a quicker, easier installation. System boilers are also compatible with solar hot water systems for lower bills and environmental benefits.

Gas, oil and liquid petroleum gas (LPG) fired models are available.

Energy Savings

Using Lewingtons’ for a new Worcester Bosch boiler installation could save you up to £320 on your annual energy bill.*

Old boiler rating Semi-detached house Detached house Detached bungalow Mid terrace house Mid floor flat
G ( < 70%) £210 £320 £165 £180 £100
F (70–74%) £145 £220 £110 £125 £70
E (74–78%) £125 £190 £95 £105 £60
D (78–82%) £110 £170 £85 £100 £55

* Based on upgrading a G-rated boiler in a detached house to a new A-rated condensing boiler and full set of heating controls.

Source: Energy Saving Trust

Smarten Up Your Heating

Smart central heating controls are really hot right now (pun intended). Products from Nest, Hive, Worcester Wave, Honeywell, Heatmiser etc. give you greater control over your heating system via smart thermostats that you can control on the go from your Wifi enabled device.

The best smart heating solutions learn your routine and preferences so your heating and hot water will always be on when you need them. Be smart, call us today to discuss installation of a new system or fitting onto an existing system.

Book a Free, No-Obligation Quote

In-person quotations are available on Monday – Thursday evenings and Saturday mornings. Complete the form below to request an appointment.









Customer FAQs

We operate Monday – Friday from 8.00am – 5.00pm. Should you wish to contact us out of hours, click here or you can leave a voice mail on 01858 433333.

Yes, we have specialist engineers who can install and service Ground / Air source heat pumps.

Yes, It’s easy to forget when your boiler is due a service, so we will give you a 12 month reminder to arrange a suitable time to visit.

You can view our boiler service costs here.

Yes, we appreciate that many people also work in the daytimes, so we carry out our on-site quotations in the evenings or on Saturdays to suit you.

Yes we do! We know a new boiler is not always planned, so we offer multiple options on how you can pay for a new boiler with our interest free credit, buy now pay later and 9.9% APR finance options.

You can click here to use our online boiler estimating tool or fill out our contact page to book us for a site visit.

You're in Safe Hands