We understand that installing new home improvements can be a daunting task but at GreenCastle Home Improvements extensive experience within this industry will ensure our whole sales to installation process will be as stress free as possible. 

GreenCastle are committed to supplying high quality, energy efficient products across Scotland. Combining innovative design with advanced manufacturing techniques, our window has been taken to a new levels in terms of of energy efficiency, sustainability, durability and strength.

Offering the best of all worlds our windows have:

  • strength and security for peace of mind;

  • stunning looks with its fully sculptured silk-smooth finish

  • superb energy efficiency with A-Rating as standard and u-Values as low as 0.8 with triple glazing and are one of the greenest windows on the market

Add to that an   Unrivalled 15 year Guarantee on both frames and sealed glass units and a huge choice of styles and a variety of colours, Greencastle has everything your castle needs!

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Services at Greencastle Home Improvements


Double or triple glazing.
15 year guarantee.
12 months interest free credit.


Our beautifully designed, high security doors can be made in any colour you desire!


Boilers from Greencastle Home Improvements come with a 10 year guarantee and yearly service as standard!

Take a look at just some of our Finished Projects




Reviews for Greencastle Home Improvements


Excellent Service

Excellent professional service and fitters done a great job. Thanks again!

A Shepherd

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Greencastle Home Improvements

Harrison Road





01382 685532

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Greencastle Home Improvements is a trading name of AJT&L Marketing Ltd Co Reg No. SC583552 who are Authorised and Regulated by The Financial Conduct Authority FRN917087 as a Credit Broker not a Lender and provide Credit Options from a Panel of Lenders.

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01382 685532

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