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C Marshall – Hackney, E8 (April, 2012)

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 [...]

N Zenner – Lower Holloway, N7 (November 2011)

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 [...]

T Greenbank – Woodlea Road, N16 (October 2011)

“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. [...]

G Soklakov – Antill Road, E3 (July 2011)

“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. [...]

A Gough – Hackney, E8 (June 2011)

“We are thrilled with our new windows. Immediately we had a quieter, more solid house and they have given the place a real lift. We are also looking forward to winter [...]

N Phillips – Tetherdown, N10 (April 2011)

“Core Sash Windows conducted a complete double glazed refit of our period windows to our family home, and we could not be happier with the end result. The craftsmanship was absolutely [...]

R Pendry – Stoke Newington, N16 (March 2011)

“We were very happy with the work completed by the Core Sash Windows team. They were polite, punctual and hard-working, and made every effort to minimize the disruption, tidying up and [...]

F Byrne – Raleigh Road, N8 (March 2011)

“You said my unloved and neglected original sash windows would look like new after you’d finished with them and they absolutely do. We were really pleased with the way your team [...]

M Massey – Islington, N4 (March 2011)

“I love my new windows. My house is suddenly much quieter and warmer which is brilliant. Having any workmen in your house is very disruptive but the guys from Core were [...]

D Tinley – Camden, NW5 (February 2011)

“We found Core Sash Windows to be efficient and reliable. We had five old windows replaced with new double glazed sashes and we are now much warmer as a result. They [...]

R Lockett – Camden, NW5 (February 2011)

“Very impressed by the Core Sash operation. Staff efficient, competent courteous and hard working. Arrived on time and cleaned up meticulously when they left each day. Very happy with the outcomes. [...]

G Grieve – The Chine, N10 (December 2010)

“We had recently our sash windows replaced with new doubled-glazed ones and draught proofed. The speed and tidiness of Core Sash Windows was amazing. Rarely do you come across such professionalism [...]