William Gaze Ltd – Royal Borough Of Kensington and Chelsea, W11 (March 2010)

“Thank you Core Sash Windows, your team headed up by Dan were absolutely brilliant. Always on time, very professional and making sure I was in the know. Working with you guys [...]

S Keeble – Hackney, N4 (March 2010)

“I have no doubts or hesitation in recommending Core Sash Windows to everyone looking for craftsmen to renovate their windows. From the first moment I met Sean & Dan to discuss [...]

Martin L – Harringey, N4 (September 2009)

“I used Sean and his team to install draught proofing around our old sash and casement windows. The work was carried out professionally, on-time and for a good price. The results [...]

P&T – Brent, NW10 (August 2009)

“After contacting Core Sash Windows, they responded efficiently – Sean and Daniel came round within a week and provided us with an estimate. We had Victorian sash windows in need of [...]

L – Lambeth, SE1 (July 2009)

“Core Sash Windows did a very professional job replacing my single glazed windows with double glazed ones, at a very reasonable price. They were very polite and friendly and tidied up [...]

S Shipman – Islington, N4 (May 2009)

“I just wanted to thank you and Sean for your work over the last couple of months – the internal doors you fitted with glazing and hinged to fold back look [...]

E Jones – The Royal Borough Of Kensington and Chelsea, W8 (Sep 2008)

“I was pleasantly surprised by the level of tidiness when work ended each evening. The workmen were friendly and polite and did a fantastic job. My windows were renovated and painted [...]

D Baker – Hackney, East London (May 2008)

“Sean and Dan’s team provided a service beyond expectation – reliable, punctual, considerate and friendly. As for the standard of work – having repaired and draught-proofed our thirteen sash windows as [...]