Westbourne Park Road, W2, Westminster, West London
J Castle – Westminster, W2
“Core Sash Windows put two double sash windows into my flat and the difference is amazing. The look is excellent
Read more.
Aylesbury Road, SE17, Southwark, South East London
C Field – Southwark, SE17
"Great service from start to finish. Helpful and informative staff. The workmen who carried out the work were fantastic- not
Read more.
Wavertree Road, E18, Woodford, East London
L&R O’Neill – Woodford, E18
"Core Sash Windows carried out the replacement of our ground floor bay window some time ago and not only were
Read more.
Luxor Street, SE5, Lambeth, South East London
S Cartwright – Lambeth, SE5
"The windows are of an excellent quality and the workmanship is amazing. My neighbour who suggested you after seeing your
Read more.
Speldhurst Road, W4, Ealing, West London
R Wood – Ealing, W4
"Excellent workmanship with reliable workers. They cleaned up every day and did everything they could to minimize disruption. The windows
Read more.
North View Road, N8, Crouch End, North London
R Townsend – Crouch End, N8
"My new windows are great, no more draughts and blessed quiet! All the team were great, from the surveyors to
Read more.
Cardozo Road, N7, Islington, North London
T&J Hare – Islington, N7
"Core has been great, our windows and door are perfect, the installation team were very professional and did a great
Read more.
Kenninghall Road, E5, Hackney, East London
E White – Hackney, E5
"I had two french doors replaced. Right from the initial visit I felt Core was a company I could trust.
Read more.
Albert Road, SE20, Penge, South East London
J Baker – Penge, SE20
"Very professional service throughout from Core Sash Windows. The quality of the product is excellent and the on-site craftsmanship was
Read more.
Powerscroft Road, E5, Hackney, East London
S Singh – Powerscroft Road, E5
"I cannot eulogise enough about how fantastic Core Sash Windows are. Sean Mac Anbhaird and his team are consummate professionals
Read more.
Woodlea Road, N16, Hackney, North London
G Bulcraig – Hackney, N16
"Good, on time, nice & tidy"
Read more.
Valentine Road, E9, Hackney, East London
T Rubenstein – Hackney, E9
"Pleasant and professional staff"
Read more.
Constantine Road, NW3, Camden, North West London
M&M Newlyn – Camden, NW3
"We are very happy with our new windows. Your men are punctual, hard working with attention to detail, polite and
Read more.
Hazellville Road, N19, Islington, North London
N Al-Aujaili – Islington, N19
"Good workmanship and threw in some extra (minor) building work (knocking down patio door step) for free. A little pricey
Read more.
Hemingford Road, N1, Islington, North London
P Willis – Islington, N1
"This was a large job, all our windows being replaced or draft-proofed in a conservation area. It took slightly longer
Read more.
South Road, SE23, Forest Hill, South East London
A Clare – Forest Hill, SE23
"I was really pleased with the workmanship and professionalism of the men on site. They were punctual, diligent and worked
Read more.
Schoolbell Mews, E3, Tower Hamlets, East London
R Butterworth – Tower Hamlets, E3
"Excellent work with a tricky installation and a great finish. The fitters were clean, tidy and very professional."
Read more.
Antill Road, E3, Tower Hamlets, East London
A Polson – Tower Hamlets, E3
"I just wanted to say a big thank you for replacing our terrible 70s style plastic windows with authentic sash
Read more.
Lower Richmond Road, SW14, Richmond, South West London
D Gee – Richmond, SW14
"Core did a fantastic job on my new front window - they matched the original Edwardian design exactly and we
Read more.
Gaywood Road, E17, Walthamstow, East London
L Woodhouse – Gaywood Road, E17
"The quality of the work was excellent, as was the communications from the company. Everyone involved - the first assessment,
Read more.
Lower Richmond Road, SW14, Richmond, South West London
J Titchener – Richmond, SW14
Services Provided: Double Glazed Sash Replacement and Draught-Proofing
Read more.
Haberdasher Street, N1, Hackney, North London
C De Cruz – Haberdasher Street, N1
"As far as the three (windows) you have already put in – well I am in love with them!! First
Read more.
West End Lane, NW6, Hampstead, North West London
A Ward – Hampstead, NW6
“We had our front sash bay windows replaced, and back windows draught-proofed. The team was extremely professional, turned up on
Read more.
Tufnell Park Road, N7, Islington, North London
J Hope – Islington, N7
"I just wanted to say thank you. The doors/windows look great. Your team was very efficient and really tidied the
Read more.
Leyspring Road, E11, Wanstead, East London
S Landels – Wanstead, E11
“Such a relief to deal with a professional and friendly company with a quality product. Given honest and clear advice
Read more.
Priory Road, NW6, Camden, North West London
J Muller – Camden, NW6
“I am very pleased with my sash windows from Core Sash windows. From customer service, to the product to the
Read more.
Campbell Road, E17, Tower Hamlets, East London
T&J Williams – Tower Hamlets, E17
“Excellent. Clear advice, no pressure and an excellent product! Great fitter – friendly and helpful.”
Read more.
Rattray Road, SW2, Lambeth, South West London
J Voss – Lambeth, SW2
“We are very pleased with our new windows – it’s the coldest June ever so we had to put on
Read more.
Middle Lane, N8, Crouch End, North London
T Jones – Middle Lane, N8
“We’ve hired Core Sash Windows on two occasions to upgrade old sash windows at our Victorian property in Hackney. We
Read more.
Haberdasher Street, N1, Hackney, North London
K Harrison – Hackney, N1
“Thanks guys for the great job you did last week. Our double glazed windows in the bedrooms look amazing, it
Read more.
Yerbury Road, N19, Islington, North London
A Walpole – Islington, North London
“We were very happy with the installation. A prompt, friendly and efficient service and our new windows look great.”
Read more.
Netherdown, N10, Muswell Hill, North London
I Foster – Muswell Hill, N10
“The windows are now finished and we are so happy with them – they look absolutely beautiful and we’ve noticed
Read more.
Beck Road, E8, Hackney, East London
C Marshall – Beck Road, E8
“We’ve now got windows to be proud of – thank you. I’ve been really impressed not just by the quality
Read more.
Allen Road, N16, Hackney, North London
P Parkinson – Allen Road, N16
“Having suffered many times over the years from unreliable, shoddy and expensive buildings maintenance workmanship in London, Sean and Dan
Read more.
Woodlea Road, N16, Hackney, North London
T Greenbank – Woodlea Road, N16
“Our sash windows were old and very knackered (e.g. painted shut, weights missing or broken etc.). We didn’t want to
Read more.
Antill Road, E3, Bow, East London
G Soklakov – Antill Road, E3
“We are really happy with the work done by Core Sash Windows. The team was friendly and professional and did
Read more.
St Philip's Road, E8, Hackney, East London
A Gough – Hackney, E8
“We are thrilled with our new windows. Immediately we had a quieter, more solid house and they have given the
Read more.
Tetherdown, N10, Muswell Hill, North London
N Phillips – Tetherdown, N10
“Core Sash Windows conducted a complete double glazed refit of our period windows to our family home, and we could
Read more.
Defoe Road, N16, Hackney, North London
R Pendry – Stoke Newington, N16
“We were very happy with the work completed by the Core Sash Windows team. They were polite, punctual and hard-working,
Read more.
Raleigh Road, N8, Harringey, North London
F Byrne – Raleigh Road, N8
“You said my unloved and neglected original sash windows would look like new after you’d finished with them and they
Read more.
Ambler Road, N4, Islington, North London
M Massey – Islington, N4
“I love my new windows. My house is suddenly much quieter and warmer which is brilliant. Having any workmen in
Read more.
Ryland Road, NW5, Camden, North West London
D Tinley – Camden, NW5
“We found Core Sash Windows to be efficient and reliable. We had five old windows replaced with new double glazed
Read more.
Torriano Avenue, NW5, Camden, North West London
R Lockett – Camden, NW5
“Very impressed by the Core Sash operation. Staff efficient, competent courteous and hard working. Arrived on time and cleaned up
Read more.
The Chine, N10, Muswell Hill, North London
G Grieve – The Chine, N10
“We had recently our sash windows replaced with new doubled-glazed ones and draught proofed. The speed and tidiness of Core
Read more.
Amhurst Road, E8, Dalston, East London
H Snowdon – Dalston, E8
“I never expected – only hoped for – the level of service I received from Core Sash Windows. The admin
Read more.
Holland Road, W14, Kensington and Chelsea, West London
Y Yang – Kensington, W14
“I am pleased to write this letter of recommendation for Core Sash Windows. I have used this company’s service for
Read more.
Liverpool Road, N7, Hoxton, North London
B Schmid – Hoxton, N7
“From the first contact working out the quotes and throughout the job, Core provides the perfect service for sash windows.
Read more.
Gibson Gardens, N5, Islington, North London
T Steele – Islington, N5
“We recently used Core Sash Windows for new double glazed sash windows in our Victorian flat in Stoke Newington. Our
Read more.
Balfour Road, N5, Highbury, North London
D Russell – Highbury, N5
“We used Core Sash Windows for a complete refurb of all the windows of our Victorian house in High bury.
Read more.
Hewlett Road, E3, Bow, East London
O&A Parrish – Bow, E3
“Left confused about what to do after receiving conflicting advice and quotes for new sash windows from a number of
Read more.
Merton Road, SW18, Wandsworth, South West London
R Harding – Wandsworth, SW18
“Core refurbished my flat back in 2009 and did wonders installing three new double glazed sashes, two new windows for
Read more.
Queen's Avenue, N10, Muswell Hill, North London
J Burgess – Muswell Hill, N10
“Sean, Dan and the team were punctual, friendly, and hardworking and always kept me up-to-date with the work and how
Read more.
Ufton Grove, N1, Haggerston, North London
L Thompson – Haggerston, N1
“Sean, Dan, George and the team did an excellent job in restoring and draught-proofing four ill-fitting windows, some of which
Read more.
St John's Way, N19, Holloway, North London
K Marles – Holloway, N19
“Thanks so much for the draught proofing work on our windows. The work was done with the absolute minimum of
Read more.
Middle Lane, N8, Crouch End, North London
R Boylan – Crouch End, N8
“It’s incredible! I can’t believe the difference it’s made. I live on a busy bus route which meant noisy and
Read more.
Roseberry Avenue, EC1, Finsbury, Central London
A Jose – Finsbury, EC1
“I was thoroughly impressed with everyone I dealt with at Core Sash Windows. Not only were the windows substantially improved,
Read more.
Ladbroke Grove, W11, Kensington and Chelsea, West London
William Gaze Ltd – Kensington and Chelsea, W11
“Thank you Core Sash Windows, your team headed up by Dan were absolutely brilliant. Always on time, very professional and
Read more.
Finsbury Park Road, N4, Hackney, North London
S Keeble – Finsbury Park Road, N4
“I have no doubts or hesitation in recommending Core Sash Windows to everyone looking for craftsmen to renovate their windows.
Read more.
Wightman Road, N4, Harringey, North London
Martin L – Harringey, N4
“I used Sean and his team to install draught proofing around our old sash and casement windows. The work was
Read more.
Furness Road, NW10, Brent, North West London
P&T – Brent, NW10
“After contacting Core Sash Windows, they responded efficiently – Sean and Daniel came round within a week and provided us
Read more.
Lower Marsh, SE1, South Bank, South London
L – South Bank, SE1
“Core Sash Windows did a very professional job replacing my single glazed windows with double glazed ones, at a very
Read more.
Marriott Road, N4, Finsbury Park, North London
S Shipman – Finsbury Park, N4
“I just wanted to thank you and Sean for your work over the last couple of months – the internal
Read more.
Prince Of Wales Terrace, W8, Kensington and Chelsea, West London
E Jones – Kensington and Chelsea, W8
“I was pleasantly surprised by the level of tidiness when work ended each evening. The workmen were friendly and polite
Read more.
Alvington Crescent, E8, Hackney, East London
D Baker – Hackney, East London
“Sean and Dan’s team provided a service beyond expectation – reliable, punctual, considerate and friendly. As for the standard of
Read more.

Quick Feedback

Whether you'd like some expert advice, a free site survey, or just a chat about your options, we are always happy to help.

Unit 3 Marshgate Business Centre ,10-12 Marshgate Lane London E15 2NH

020 3302 2060 / 020 8519 2763

info@coresashwindows.co.uk

fensa

ggfi_logo

Get in Touch

  • Houzz
  • Which
  • Facebook
  • Twitter
  • Pinterest