Testimonials

• Tue 07th Jun 2011

  "We are thrilled with our new windows.  Immediately we had a quieter, more solid house and they have given the p ...(read more)
  - A. Gough E8

• Mon 16th May 2011

  "We were very happy with the work completed by the Core Sash Windows team. They were polite, punctual and hard-workin ...(read more)
  - R. Pendry N16

• Tue 05th Apr 2011

  “Core Sash Windows conducted a complete double glazed refit of our period windows to our family home, and we co ...(read more)
  - Nick - Muswell Hill

• Wed 30th Mar 2011

  “You said my unloved and neglected original sash windows would look like new after youd finished with them and ...(read more)
  - F. Byrne N8

• Fri 11th Mar 2011

  I love my new windows.  My house is suddenly much quieter and warmer which is brilliant.  Having any workme ...(read more)
  - M. Massey N4

• Fri 25th Feb 2011

  "We found Core Sash Windows to be efficient and reliable. We had five old windows replaced with new double ...(read more)
  - Dominic NW5

• Wed 02nd Feb 2011

  Very impressed by the Core Sash operation.  Staff efficient, competent courteous and hard working. Arrived ...(read more)
  - R. Lockett NW5

• Thu 16th Dec 2010

  "We had recently our sash windows replaced with new doubled-glazed ones and draught proofed. The speed and tidiness o ...(read more)
  - G. Grieve N10

• Thu 02nd Dec 2010

  "Dan & Sean, we’re delighted with our new windows. They look great and we are a lot warmer.  Thanks fo ...(read more)
  - Mr. N. Flynn NW5

• Tue 23rd Nov 2010

  "We are really happy with the work done by Core Sash Windows. The team were friendly and professional and did a thoro ...(read more)
  - Mrs. G. Soklakov E3

• Tue 12th Oct 2010

  I never expected - only hoped for - the level of service I received from Core Sash Windows. The admin of the entire p ...(read more)
  - H. Snowdon E8

• Thu 07th Oct 2010

  Thank you Core Sash Windows, your team headed up by Dan were absolutely brilliant. Always on time, very professional ...(read more)
  - William Gaze Ltd

• Mon 27th Sep 2010

  To Whom It May Concern:

  I am pleased to write this letter of recommendation for Core Sash Windows. I have use ...(read more)
  - Mr. Y. Yang W14

• Wed 22nd Sep 2010

  "From the first contact working out the quotes and throughout the job, Core provides the perfect service for sash win ...(read more)
  - B. Schmid N1

• Fri 17th Sep 2010

  "We were very happy with the installation. A prompt, friendly and efficient service and our new windows look gre ...(read more)
  - Mr. A Walpole N19

• Tue 14th Sep 2010

  We recently used Core Sash Windows for new double glazed sash windows in our Victorian flat in Stoke Newington. Our f ...(read more)
  - T. Steele & L. Rios N16

• Tue 07th Sep 2010

  "We used Core Sash Windows for a complete refurb of all the windows of our Victorian house in Highbury. Some of these ...(read more)
  - Mr. D Russell N5

• Mon 06th Sep 2010

  "Left confused about what to do after receiving conflicting advice and quotes for new sash w ...(read more)
  - O & A Parrish E3

• Fri 03rd Sep 2010

   "Our sash windows were old and very knackered (eg painted shut, weights missing or broken etc). We didnt want t ...(read more)
  - T. Greenbank N16

• Thu 02nd Sep 2010

  "Sean, Dan and the team were punctual, friendly, hard working and always kept me up-to-date with the work and how it ...(read more)
  - J. Burgess N10

• Thu 02nd Sep 2010

  "Core refurbished my flat back in 2009 and did wonders installing three new double glazed sashes, two new windows for ...(read more)
  - R. Harding London SW18

• Thu 08th Jul 2010

  Core Sash Windows recently refurbished three of our sash windows, which were in quite a bad state, and involved getti ...(read more)
  - S. Brown, London N15

• Wed 02nd Jun 2010

  “Sean, Dan, George and the team did an excellent job in restoring and draught-proofing four ill-fi ...(read more)
  - L. Thompson (N1)

• Thu 20th May 2010

  “I have no doubts or hesitation in recommending Core Sash Windows to everyone looking for craftsmen t ...(read more)
  - S.Keeble (N4)

• Fri 30th Apr 2010

  “Thanks so much for the draught proofing work on our windows. The work was done with the absolute min ...(read more)
  - Kay (N19)

• Wed 14th Apr 2010

  “It’s incredible! I can’t believe the difference it’s made. I live on a busy bus ro ...(read more)
  - R. Boylan (N8)

• Sat 10th Apr 2010

  “To whom it may concern: I was thoroughly impressed with everyone I dealt with at Core Sash Windo ...(read more)
  - A. Jose (EC1)

• Thu 10th Sep 2009

  “I used Sean and his team to install draught proofing around our old sash and casement windows. T ...(read more)
  - Martin L. (Hampstead)

• Tue 11th Aug 2009

  “After contacting Core Sash Windows, they responded efficiently - Sean and Daniel came round with ...(read more)
  - Paula & Tracey (Harlesden)

• Wed 15th Jul 2009

  “Core Sash Windows did a very professional job replacing my single glazed windows with double gla ...(read more)
  - Liz (SE1)

• Tue 12th May 2009

  “I just wanted to thank you and Sean for your work over the last couple of months – the int ...(read more)
  - S. Shipman (N4)

• Mon 08th Sep 2008

  “I was pleasantly surprised by the level of tidiness when work ended each evening. The workmen we ...(read more)
  - E. Jones (Islington)

• Sat 10th May 2008

  “Sean and Dan’s team provided a service beyond expectation - reliable, punctual, considerat ...(read more)
  - D. Baker (E5)