Had the awful experience of the sliding lock gearbox go on my front door and in today’s world can’t have a swing front door ! Tried all the usual high St suppliers and no luck,on the internet for ages... See more
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GB DIY Store is a family run, UK based company, which offers an extensive range of uPVC hardware which includes window handles and door handles, repair parts, tools and fitting supplies. The team here has over 25 years experience in this industry, we have literally done it all. We started out manufacturing and installing windows and doors and slowly progressed in to repairs. Now, we offer a very extensive range of repair parts for windows and doors. With our knowledge and wide range of repair parts, we can solve any problems you may have with your uPVC windows and doors. Whether its a repair, upgrade or just some good old fashioned advice, we've got it. Our team is always happy to help, so please do not hesitate to contact us.
Contact info
Unit 1, Fox Covert Way, NG19 0FR, Nottinghamshire, United Kingdom
- 01623 622205
- help@gbdiy.co.uk
- gbdiystore.com
Hasn’t replied to negative reviews
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I searched on Ebay and couldn't find…
I searched on Ebay and couldn't find what I wanted. I then searched the web and found GB DIY Store and in minutes found the exact door handle. Delivery was very fast and communication from them was excellent. I will definitely shop there again.2
As always very easy to deal with ,good…
As always very easy to deal with ,good delivery ,would recommend ,good products
Great, speedy service :)
Very happy customer - I needed to buy something urgently and was concerned that my next day delivery might not make it on a Saturday but it arrived and was a better price than the other companies I checked who couldn't do next day delivery. Thank you!
Really happy with the service and…
Really happy with the service and product I received. When the lock on the back door stopped working I wasn’t sure if anywhere would be able to sell a replacement but after a quick search I found this site and measured all the parts as per the diagram and ordered the replacement. Lock now fixed and saved having to call a locksmith in
Great products
Great products, great prices, quick delivery & good selection of item's.
Patio wheels
Just simple patio wheels. Arrived correct and prompt. Good price .What more do you want
First time ordering from this company…
First time ordering from this company but their customer service is first class. We ordered a lock assembly from them which arrived promptly but unfortunately was faulty. We contacted them to let them know and a replacement was sent out the very next day to arrive two days later. Would have no problem in recommending them to anyone. Keep up the good work.
Excellent service
Excellent service, helpful and friendly staff.
5 🌟
Second time buying window vents
Second time buying window vents. Arrived quickly. As described. Great value.
Excellent customer service
Excellent customer service.
Really good quality product at a fair price.
Many thanks
Very quick delivery
Very quick delivery. Exactly what I ordered. Excellent
I have made several purchases from GB…
I have made several purchases from GB DIY. They house a plethora of goodies for my repair business. Very fast from ordering to delivery. And I know I will be back again.
It was the correct component
It was the correct component, was delivered on time what more could I ask, well done
Product as advertised and delivered…
Product as advertised and delivered promptly. Thank you.
Supplied a uPVC door handle that fits…
Supplied a uPVC door handle that fits and is cheaper than others I have tried. Prompt delivery too.
trickle vents…
I ordered 2 replacement trickle vents but they were not the correct size which the diagram illustrated. £10 wasted.
Full marks to GB DIY stores they have contacted me and offered a refund

Reply from GB DIY Store
Absolutely amazing business
Absolutely amazing business, with fantastic customer service - needed a deadbolt for an old locking strip (20+yrs old), not only did they have one in stock, Nathan fitted it for me and serviced the two anchor points. Travelled 30 miles to this business, well worth the journey, highly recommended this team for all your window/door locks and handles.
Best prices on the web for Mila UPVC gearbox
My UPVC front door lock was faulty, the cams wouldn't stay up when the door was open.
I took the gearbox out to get details, but there was very little to go on, other than made by Mila
GB DIY Store allowed me to filter through to the closest option (fortunately got it down to 2), then fully dimensional drawings to allow for the correct choice.
I wasn't in any great rush, so standard 2-day post was fine. Price was also great, with discount code I found on-line
Arrived 2 days later, well wrapped
And I had it fitted within 20mins
Brilliant website, lots of choice and great prices
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