Blackthorn Timber Windows
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Blackthorn Timber Windows
Blackthorn Timber Windows is family-run business established in 2009 by Duncan and Caroline Forster and supported by an excellent team of really dedicated people, from the joiners who install the windows and doors to our surveyors, sales and customer service people. Our core business is to supply and install made-to-measure replacement wooden windows and doors into private homes and apartments.

We also offer high-quality 'Timber Alternative' uPVC windows and French doors, composite entrance doors and aluminium windows and doors through our Blackthorn Choices (hyperlink to new page) brand. We are able to offer an unrivalled selection of timber windows and doors because we have forged alliances with 7 different joinery manufacturers, all of whom offer something different from the rest.
Services
Blackthorn Timber Windows specialises in the supply and installation of timber windows, doors and conservatories for all types of property covering an area from the Scottish Borders down to the Derbyshire Peak District and north Lincolnshire, taking in Cumbria along the way.

We offer what we believe is the broadest range of window and door designs and styles anywhere in the UK, from traditional sliding sash windows to folding sliding doors, cottage-style windows to modern reversible casements, Georgian or Edwardian bar details or wide expanses of glass, retaining and re-glazing original stained glass or creating something new.In short, if it can be made, we can supply and install it.
Timber is a vitally important way to take CO2 from the atmosphere. As a tree grows it absorbs CO2 from the atmosphere via a process called photosynthesis. There is a by-product - oxygen. For every cubic metre of timber grown, one tonne of CO2 is sequestrated from the air. Timber is therefore a 'carbon sink', locking away carbon for the lifetime of the product and potentially for many years more than that.
Blackthorn Timber Windows has gained an enviable reputation for the high quality of our custom-made windows and for the skill and attention to detail of our installation teams. I would also like to add how pleased I've been with you and your team's professionalism from start to finish. It is always a pleasure to work with a company who do what they promise and when it was promised.
Here at Blackthorn Timber Windows we believe that we supply the best replacement windows and doors in the market because of the unique combination of quality timber, great product design, top-class manufacturing standards, 4-stage preservation and coatings process and extensive independent product testing.
We can supply and install every design and type of timber window and door in a wide selection of timbers and glazing options. Every time we visit a prospective customer, we are confident that, whatever the request, we can supply a window or door to suit. Whatever the product, the design principles must remain the same in order to give long-lasting performance.
Reviews (5)
Paul Henderson
Paul Henderson
Jan 20, 2021
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Critical: Quality, Value
I spent a lot of money on windows. within under a year the brass work started to tarnish, no furniture to enable the top sash to be pulled open and at least 4 windows the top sash is stuck shut, I can only open them if I go outside and hit the sash quite hard to unstick it. Not impressed.
Service: Window installation
Stuart Linsley
Stuart Linsley
Jun 19, 2019
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They don't answer emails. They don't respond to phone calls. This is when you're trying to give them work. Imagine what they would be like once they have your money.
Anon Anon
Anon Anon
May 15, 2019
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Excellent high quality service . The windows provided are of a superb quality. From the initial visit to supply a first class service. All of the staff are friendly and professional and nothing is too much trouble. No hesitation in recommending them to anyone.
Jacques Chery
Jacques Chery
Sep 26, 2018
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Had Doors and Windows done with that firm and received the best service possible. Right on time and quick. Will definitely refer to friends and family.
Ben Oliver
Ben Oliver
May 03, 2018
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Please beware and please think twice about using this firm. I had doors and windows supplied and fitted to our home by Blackthorn, the project began in February 2018 and took 8 months to complete. Their suppliers are amateurs, their timescales are laughable, and overall this was an incredibly frustrating experience from start to finish. Think again, and take your hard earned money elsewhere.