Boilers from Greencastle Home Improvements

Our home heating health check service can monitor the efficiency of your boiler and determine savings you can make on your heating bills by installing a new boiler system!

With a 10 year guarantee and yearly service as standard with our boilers you can also say goodbye to the costly monthly breakdown cover plan most of us pay for! 


With a focus on efficiency our additional services include Icynene spray foam insulation which can be used in your loft space or under floor in place of or along with your glass wool.

This insulation product is a global leader and can further reduce your heating expenses.

Reviews for Greencastle Home Improvements


Nice and quick service

Nice and quick service. Very friendly staff. Love my new windows and the front door. My house is so warm right now. Great value for money. Highly recommended.


A Stankiewicz

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Enquire Today

GreenCastle can provide a free home health check on energy efficiency and suitability for any of our products as well as a simple design and quote service. This is a one hour service and is completely free and without obligation. Enquire now to arrange your visit.


Greencastle Home Improvements

Marybank Lane


Greencastle Home Improvements is a trading name of AJT&L Marketing Ltd Co. Reg No. SC583552.

AJT&L MARKETING LTD, is authorised and regulated by the Financial Conduct Authority, FRN 917087.

We are a credit broker and not a lender and offer credit from a panel of lenders.

Spread the cost with buy now pay later finance available.

The buy now pay later finance option allows you to spread the cost of your purchase over your chosen term with an agreed non-payment period.

If you choose to exercise the option to settle the amount of credit in full before the end of the non-payment period, you will not pay any interest but will pay an early settlement fee which is displayed at the start of your application and in your credit agreement.

If you choose not to settle in full by the end of the non-payment period, the amount of credit remaining will be spread across the remaining term with interest charged at the rate set out in your credit agreement. You will pay interest on the amount of credit that remains unpaid, and interest will be charged from the date we told you the agreement was live.

Only available to UK residents over 18, subject to terms and conditions, minimum spend applies.

We may receive commission if your application is successful, and the amount may vary depending on the product chosen and the amount of credit taken out.

Credit is subject to status and affordability, not subject to application and status.

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