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S Keeble – Finsbury Park Road, 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 – South Bank, 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 – Finsbury Park, 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 – 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 [...]