"We had done a lot of research into sash window renovation, including pricing up from some of the big national operators. At first we thought Nick had got the price wrong because it was so much less than others."

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"We feel lucky to have found a trusted local trader who does an exceptional job - we shall certainly be recommending you to everyone we know."

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"DRN have made our windows so much more resilient to draughts and rattling without changing their appearance at all. New developments and DRN's craftsmanship mean they're better now than when they were fitted more than a century ago."

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"We came so close to taking out the original windows and fitting UPVC double glazing. I'm so delighted that we didn't now - these windows look so much better and just suit this house."

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