“Excellent. Clear advice, no pressure and an excellent product! Great fitter – friendly and helpful.”
“We are very pleased with our new windows – it’s the coldest June ever so we had to put on the central heating and every room was noticeably warmer than usual. [...]
“We’ve hired Core Sash Windows on two occasions to upgrade old sash windows at our Victorian property in Hackney. We started with our bedroom windows and went on to do the [...]
“Thanks guys for the great job you did last week. Our double glazed windows in the bedrooms look amazing, it feels warmer, quieter and there’s no condensation on windows! Also people [...]
“We were very happy with the installation. A prompt, friendly and efficient service and our new windows look great.”
“The windows are now finished and we are so happy with them – they look absolutely beautiful and we’ve noticed the difference in terms of sound and heat insulation – and [...]
“We’ve now got windows to be proud of – thank you. I’ve been really impressed not just by the quality of workmanship and attention to detail, but all the thought that [...]
“Having suffered many times over the years from unreliable, shoddy and expensive buildings maintenance workmanship in London, Sean and Dan have completely restored my faith in the business, and in human [...]
We’ve been contracted 3 times by this customer, and in total we’ve completed double glazed sash replacements, two sash restorations and a day or two’s worth of painting work. What did [...]
We’ve been contracted twice by this customer. In total we’ve completed the comprehensive fitting of 5 double glazed timber sash windows. What did the customer think? This is a very reliable [...]
“Our sash windows were old and very knackered (e.g. painted shut, weights missing or broken etc.). We didn’t want to buy new double-glazing sash windows so opted for a refurb instead. [...]
“We are really happy with the work done by Core Sash Windows. The team was friendly and professional and did a thorough job cleaning up at the end of each day. [...]