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Endorsed by Which?
Derwent Sash Windows Ltd t/a Derwent Windows and Doors
Opening Hours
Today - 09:30–16:30
- Monday 09:30–16:30
- Tuesday 09:30–16:30
- Wednesday 09:30–16:30
- Thursday 09:30–16:30
- Friday 09:30–16:30
- Saturday 09:30–16:30
- Sunday - Closed
Why you can trust this trader
After undergoing rigorous assessment to become endorsed, every Which? Trusted Trader agrees to our Code of Conduct. This gives consumers the reassurance that they have the best possible protection and adds an extra layer of security to ensure best practices and procedures are followed. Which? fully investigates any breaches and will take any necessary action to ensure consumer protection.
Organisations and Awards
About
Welcome,
Your property is so much more than a house. It is normally your largest single asset, your pride and joy, but above all it is your home.
Here at Derwent Sash Windows, we carefully treat all installation projects with the same respect that they deserve, sympathetically restoring your property to its' original splendour.
Have a look at our portfolio of previous work to see the size and diversity of projects we have undertaken in the past and read our testimonial letters, to understand the level of skill and expertise my team deliver.
I look forward to hearing from you to discuss your project.
Yours faithfully
Rob Walters
Managing Director
Derwent Sash Windows Ltd.
www.derwentwindows.co.uk
www.derwentsashwindows.co.uk
What we do
Doors
- Timber doors
- Bi-fold doors
- Patio doors
Double glazing
- Double glazing installation
- Double glazing suppliers
Conservatories
- Hardwood conservatories and orangeries
More Services
- timber alternative windows
- timber windows
- sash windows
My work
Customer reviews
Why you can trust these reviews
All reviews are verified as being genuine and a true customer of this trader.
How can we be so sure?
100% of the reviews we publish have been through our stringent moderation process.
4.9
157 reviews
Recommended
Recommended
by 99% of customers
Sort by
A great company
Customer Service
Quality
Value
Derwent Windows have done extensive work on my home, fitting both external and internal windows and glazed doors. From start to finish my experience has been extremely positive. Following my initial inquiry there was a system in place that began with a visit to assess my needs, followed by a surveyor, who came to assess the work and make templates for an unusually sized door, and then the team who came to the fit the products. Each was efficient and time effective. Each person I came into contact with, including those at the office, were very polite, speedy to respond and I was extremely reassured that I was dealing with a business who cared, is professional and has high standards. I've already frequently recommended Derwent as I've had so many compliments on my doors and Windows and will continue to do so.
Customer in Nottingham
, work completed
Recommended
Very happy with windows & doors
Customer Service
Quality
Value
Ordered replacement Upvc sash window, wooden back door & internal wooden french doors. Very happy with the overall process and end result. Full spec and quote given for all works,and price held despite some delays at our end. Survey, back office and installation teams were all very professional, and our timetables met. We are particularly happy with the wooden architrave finishes especially on the Upvc sash window, which makes it really hard to tell that its "not wood". Wooden doors were a little more expensive vs composite doors of others, but not excessively so, and well worth it. Upvc sash was the best "wood-effect" window we found in the area. Already recommended to friends.
Customer in Nottinghamshire
, work completed
Recommended
Good product, fitted with care
Customer Service
Quality
Value
Very helpful in selecting our door, fitting was done with care and in the timescale indicated. We had a minor issue that was quickly resolved.
Customer in Derbyshire
, work completed
Recommended
Excellence job
Customer Service
Quality
Value
I had a number of windows replaced by Derwent earlier this year. Being completely satisfied with these I asked if they could replace two more which were so inaccessible that I fellt that it would be prohibitively difficult. Andy the surveyor deemed it possible and Ian and Rob did a brilliant job under very difficult circumstances.
Customer in Derbyshire
, work completed
Recommended
Friendly and efficient
Customer Service
Quality
Value
New front door installed This company was efficient but friendly right from the beginning when looking at doors in their showroom. Once I had made my decision their representative came and took all the necessary measurements. I was then contacted when payments necessary and made aware of the length of time it could possibly be before door would be ready and could be installed . On e adapter arose it was all very smoothly done. Very conscientious about sheeting everything down and then cleaning up afterwards, workmanship was great, thoroughly pleased with my new door and rate this company very highly. Nice when folk are good at their job, efficient but friendly too, makes it the best.
Customer in Nottinghamshire
, work completed
Recommended
Extremely Satisfied!
Customer Service
Quality
Value
A first class product supplied and fitted by a first class company. Having used Derwent Windows previously we decided to approach the company to supply and fit the remaining windows in our property. Expert advice during the survey was given on the most appropriate type of windows. In this instance traditional casement rather than sash windows, two of which we had previously fitted by the company. Work was completed to the agreed schedule and budget despite some inclement weather conditions at times. The fitters were always considerate when in our home protecting fixtures and fittings at all times. Having used the company before we have found the aftercare excellent. We would have no hesitation in recommending Derwent Windows and will be using the company for future work.
Customer in Derbyshire
, work completed
Recommended
WINDOW
Customer Service
Quality
Value
Derwent Windows are usually very good, but with this order of just one window its been an awful experience. It was weeks for someone to actually visit and measure up the opening, which has had knock on problems meaning we weren't able to complete the extension weather proofing before Christmas. The chap fitting the window didn't seem to want to be here, and we still haven't got the keys to operate it. We placed an order with someone else for a Bifold door, and from order to fitting was 3 weeks.
Customer in Derbyshire
, work completed
New doors & windows
Customer Service
Quality
Value
Decided to replace 2 doors and 2 windows including our front door..Viewed the products at a local showroom and obviously they were of very good quality.The surveyor was very experienced and was able to answer all our enquiries.Long lead time for manufacture but we were very pleased with the quality once fitted.The fitters were excellent working hard throughout the day despite heavy rain even refitting Venetian blinds afterwards which we thought we would have to do. Although they inadvertently cut through a telephone cable which both we and they thought was redundant when it turned out it wasn’t they successfully repaired the severance. Overall very happy with the product and extremely happy with the fitting.
Customer in Nottinghamshire
, work completed
Recommended
When only the best will do…
Customer Service
Quality
Value
This company has now undertaken installations at both my current and previous properties, in all, several stunning window and door projects over the past 10 + years. The work just completed (December 2023) required feasibility advice on the installation of brand new floor-to-ceiling timber windows in alcoves to either side of a fireplace. From the initial survey and valued technical advice, to ordering the bespoke timber products, and finally the skilled building work undertaken by the superb in-house team, everything went to plan - and looks fantastic.
Customer in Derbyshire
, work completed
Recommended
Traditional casement windows
Customer Service
Quality
Value
We had two traditional casement windows fitted to the front of our house to replace existing windows, which were pretty much beyond repair. From start to finish the service we received was excellent. Options and costings were explained clearly and communication along the way couldn’t have been better. Very satisfied. Good company to deal with and would use them again.
Customer in Nottinghamshire
, work completed
Recommended
So good we asked them back for some more
Customer Service
Quality
Value
We were so pleased with the doors, French windows and windows they fitted in the summer we asked them back to install some more. Superb product, skilled and friendly workforce and competitive price (you get what you pay for). The customer service and caring attention to detail second to none.
Customer in Derbyshire
, work completed
Recommended
Excellent company
Customer Service
Quality
Value
Derwent windows initially installed 2 new French doors for us in April and we were so pleased with them that we went ahead and asked them to replace all the windows in our house which were in a sorry state. We were rather anxious as it was such a big, expensive job but we couldn't be happier with the finished result as our new windows are not only beautiful in appearance but they have made the house much more soundproof, warmer and secure. The whole job was completed within the 2 week schedule and the timekeeping of the window team was excellent. They were friendly, respectful and professional throughout and there was minimal disruption during the job. It has been a pleasure to deal with a company who not only have first rate products but also have a good team of window fitters to install them. Our thanks to the Managing Director Rob and all his team on a first class installation.
Customer in Derbyshire
, work completed
Recommended
Excellent products and excellent fitting
Customer Service
Quality
Value
We had our windows replaced in 2019 and have just had front and back doors fitted. Windows and doors have been admired by friends and neighbours.Derwent Windows on both occasions were helpful throughout from the planning and drawing stage through to the final fitting. Everyone in the company has been very professional and a delight to deal with. I would certainly recommend this company.
Customer in Leicestershire
, work completed
Recommended
Excellent work - very satisfied
Customer Service
Quality
Value
We had several windows replaced by Derwent Windows in 2020 and have just had another window replaced. Excellent service as before, with good communication. Work was carried out on agreed date, very efficient and careful installers. Very happy with the result. Would definitely recommend.
Customer in Nottinghamshire
, work completed
Recommended
Brilliant Job
Customer Service
Quality
Value
We had six sash windows replaced by Derwent Windows in an old property in a Conservation area , the Team at Derwent Windows were brilliant from start to finish , communication and workmanship was excellent throughout the whole process we will definitely use them again . Thank you
Customer in Derbyshire
, work completed
Recommended
A job very well done
Customer Service
Quality
Value
We live in a conservation area, so planning permission was needed. Derwent Windows we’re helpful and knowledgeable about the whole process. From our first showroom visit to installation we found all staff professional. All deadlines were met, the installation went smoothly with care taken working around garden plants and tidying after. We are very pleased with the finished job, the sash windows look fabulous and no painting! We will use Derwent Windows again and would not hesitate to recommend the company.
Julie in Derbyshire
, work completed
Recommended
Excellent new windows
Customer Service
Quality
Value
After a couple of our neighbours had used Derwent Windows we decided to contact them and enquire what they could do for us. What an excellent experience from start to finish. Not just the range of window options, but the attention to detail, the communication process and of course the fitting of the windows. One particular point to note was the quality of the window fitters. They were an excellent bunch of guys. If anyone asks about our windows we have no hesitation in recommending Derwent Windows.
Mark in Derbyshire
, work completed
Recommended
Second time customer. Great product and service each time
Customer Service
Quality
Value
Had a new front door and 3 windows installed in 2019 which we were really pleased with. Had a new utility door installed this year and again really pleased with the process throughout - everyone was friendly, and professional. Great service and the door is looking great.
Customer in Nottinghamshire
, work completed
Recommended
Highly recommended
Customer Service
Quality
Value
Good communication. Efficient, clean and tidy workmanship. Excellent quality door fitted. Very polite and child friendly workers. Thank you.
Customer in Derbyshire
, work completed
Recommended
Built a Bentley
Customer Service
Quality
Value
Well, what a joy, what an experience, what a result. 'Period Orangery' built in 3 months to a high specification with large sash cord windows and lantern with tumbled facing bricks from north cot brick with fabulous Aluco doors linking to the main lounge. Derwent during the build period never missed a beat and their quiet focus on the quality of work and detail was ever-present. Beyond being built to architectural with this level of focus I was very proud to be part of the team. Anticipating a Jaguar, we have built a Bentley.
Customer in Leicestershire
, work completed
Recommended
Great Service and quality product
Customer Service
Quality
Value
We have recently had a brand new front door and stained glass top light fitted at our new house and we are delighted with the quality and look of the product and fitting. The communication after visiting the showroom was good and whenever I needed to call for an update and I could get straight through and speak to the person handling our order. We had a little hiccup along the way with some of the glass being damaged during removal however I cannot fault the service provided in response to this to get it resolved and we have ended up with an even better toplight as a result. Everyone we dealt with was professional and friendly the fitters workmanship is top quality. Overall, we are delighted with the door and service provided. I would 100% recommend.
Customer in Derbyshire
, work completed
Recommended
Installation of windows
Customer Service
Quality
Value
In my experience Derwent Windows appear to be a well managed company whose service is of a high quality at all levels through the whole workforce. From assessment to completion of the work they give attention to detail and always put the customer first. Yes they are more expensive than other companies offering window replacement but my belief is that it is well worth the extra expense to deal with a company that operate with integrity and employ a skilled and trained workforce. I recommend them without hesitancy.
Ken in Derbyshire
, work completed
Recommended
Refreshing window company!
Customer Service
Quality
Value
Derwent replaced 16 of our Sash and casement windows on our Victorian house. From start to finish they have been very easy to work with and are the opposite of a hard sales window company. There work is second to none and we are really pleased with the windows we have had so many compliments already. They aren’t the cheapest on the market however they are worth every penny to know we have had the best job done. Would highly recommend and will be using them again when we have our extension.
Customer in Staffordshire
, work completed
Recommended
Very pleased with our new windows
Customer Service
Quality
Value
We are very pleased with our new windows, and the quality of the work which was done. The staff from Derwent Windows were all very helpful, and communication was good. The team of fitters was very professional, considerate and careful whilst doing the work and in clearing up.
Customer in Nottinghamshire
, work completed
Recommended
Timber Windows Installation
Customer Service
Quality
Value
We had 3 batches of windows and doors and the service and quality was excellent throughout. I would recommend this company to anyone.
Customer in Derbyshire
, work completed
Recommended