Secondary glazing and repairs

At K P Glass & Windows Ltd, we offer secondary glazing installation and repair services at competitive prices. With customers in Kettering, Wellingborough, Rushden, Northamptonshire, Corby, Thrapston and Raunds.

Secondary glazing is the best solution for historic buildings, conservation sites or homes that are under LBC, Listed Building Consent, and for flats and windows that are difficult to access, being a practical solution when you need to improve energy efficiency and noise reduction.
KP Glass & Windows are your local fitter in Kettering, Northamptonshire.

Reduce heat loss, noise and add security with our secondary glazing solutions

Secondary glazing is the best option for homeowners and architects/specifiers as an alternative to replacement windows for many reasons.

Easy installation and no mess

Secondary glazing is low cost and can be made to measure, easily fitted inside an existing window frame and you do not have the disruption that you get with removing and replacing windows and the need for redecoration.

Low cost and reversible

Secondary glazing offers a reversible solution without removing any existing window frames, making it ideal if the building or home is of historic origin, Grade I or Grade II listed, or, it may be in a conservation area where the original external features such as sash or metal windows are to be retained, these are usually restrictions in place by LBC, (Listed Building Consent), in this situation secondary glazing the only solution.

Improve living spaces

Also, known for being a practical solution for improving the energy efficiency of all types of living spaces, commonly a solution for flats or windows that are not easily reached, and would not be cost effective to replace.


Enjoy the benefits

Fitting inside the original windows they offer the same benefits as double glazed windows, recongised as improving the performance of the window unit by the physical nature of it being a second glazed panel.

The primary reason for fitting Secondary glazing is the reduction of heat loss, the units also lower external noise, are known for their qualities to reduce condensation and being a secondary panel, offer an additional obstacle and by doing so improves window security.

All these benefits and, at the same time, retaining the original character of the building.

Glazing that complements

KP Glass & Windows have expert fitters, installing secondary glazing systems to customers across Northamptonshire. Based in Kettering, they are your local window experts who can advise you on the options available and help you choose the right secondary glazing units that suit your situation.

We have a range of secondary glazing solutions helping you find one that suits your window style and complement your interior design, thus, not only meeting the requirement of retaining the exterior features, but also maintaining and not spoiling your interior look.


Peace of mind with KP Glass & Windows

Our reputation is based on recommendation so you can be assured that we use top quality products with an excellent service, our installations are covered by our own guarantee as we believe in our products.


Retains existing features

For improving window performance of an historic building, in a conservation area, Grade I and Grade II listed being compliant with Listed Building Consent (LBC) to ensure existing features of a building are retained.

Reduces heat loss

Secondary glazing can help reduce your heating bills as it increases the thermal efficiency of the window.

Sound insulation

Secondary glazing helps reduce external noise such as traffic, schools, airports, commercial, retail and outside noise.

Added security

Secondary glazing is an additional obstacle for any intruder.
Tilt Counterbalance secondary glazing

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Choose KP Glass & Windows a family business built on reputation

K P Glass & Windows Ltd
Based on 121 reviews
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Georgina Fortune
Georgina Fortune
13:37 22 Apr 22
It is so nice to see that local and dependable businesses do exist. I had someone come around to quote me who was a nice genuine lady and not a cheesy sales person. They offered a reasonable price and... timescales. I was called the week below they were due to come to decide on what day would be busy. Two gentlemen fitted the windows quickly and efficiently and even cleaned up after themselves. The windows themselves are incredible quality.Would throughly recommend!read more
Radha Negron
Radha Negron
20:57 02 Nov 20
We got new windows with KP, 6 in total, to update our whole house, and we are very pleased with the final result. Within a mere 2 days of initially visiting the showroom in town, we had a member of staff visit... our home to provide a quote for the windows, including installation, and we paid a deposit the same day. We went ahead knowing the work should get completed within 6 weeks and every step of the way all members of staff were friendly and helpful. This timescale was adhered to and when the work actually began in our house we had all 6 windows replaced in 1 single day (about 7hours really!). The installation team worked very quickly, professionally and respectful to our property ensuring sheets were laid down inside and they fully cleaned up after themselves when leaving. Our windows looks great, they have given our home an updated/modern look, we already can see and feel the difference since upgrading from our original wooden windows, and the overall buying experience has been very positive! We would absolutely reccomend this business for any of your window/door more
Sarah Newman
Sarah Newman
11:31 21 Oct 20
KP Windows and Doors are a fantastic, local business that you can rely on. We have used them for replacing double glazing in the past but chose them to replace our very tired, old, creaky main door this... time.Maureen arranged a site visit and listened carefully to our requirements and preferences. She came up with the perfect door! We had this installed last week and it looks stunning. We chose a Chatsworth Green for the outside and white for the inside. The whole dynamic of the kitchen has changed. From being shut behind a solid old brown, creaky door, to a beautiful light door that reflects colours from the cut glass design, the kitchen looks so much bigger! Thank you, KP Windows and Doors!read more
Steve Duke
Steve Duke
11:27 07 Oct 20
Great friendly and professional service. I’ve had my front door a couple of years now and it still looks brand new. I’d 100% recommend KP Glass!
Nicky Garratt
Nicky Garratt
08:51 05 Oct 20
Really pleased with our new purchase from KP Glass. Great quality door and really professional and tidy fitting, plus really happy with the price. Friendly staff and very reliable. Highly recommend 😊
Jen Bell
Jen Bell
15:49 04 Oct 20
From start to finish everyone was very helpful!I had a completely new conservatory, literally bringing it back to basics & starting from scratch!! The end result is fabulous & the glass roof is beautiful,... definitely worth it!The installers did a great job & they were very neat & tidy! Great workmanship!!Overall I’d highly recommend this company!read more
Dave Maylin
Dave Maylin
08:33 01 Oct 20
✅✅We Wanted a bi-fold door installed in our new extension, the staff were particularly helpful in helping us decide on what was the best option for our size of opening. Ordered and installed with... absolute professionalism. Will be using again when we renew our windows! First class local independent retailer ✅✅read more
Ken Bonser
Ken Bonser
08:42 08 Sep 20
Great service and products. 7 sealed units ordered and collected in a few days.
Chris Northern
Chris Northern
15:46 27 Aug 20
Had a 3 panel bifold door fitted, great service all round and the door looks great
Vanessa Beeby
Vanessa Beeby
15:38 27 Aug 20
Amazing service from start to finish. Really easy and friendly to deal with. The fitters did a great job, and were very clean and tidy on the day. The window looks impressive too. A great job all round.
Christine Heels
Christine Heels
20:14 25 Aug 20
On 20/08/2020 10:24, christine heels wrote:Review for the front door that you fitted for us on Friday 14th August 2020. The service provided by ĶP Glass to us was a quick and well carried out. The two young... men were well mannered and their workmen ship very professional resulting in this beautiful new door and windows with internal blinds. The Blind fitted in the window was adjusted for me on Wednesday by Phil from the blind manufacturer so that I could open it with ease because of my arthritis.I would highly Recommend both KP and the blind Manufacturer.Many thanks Chris and Alan more
Alan Spencer
Alan Spencer
16:44 05 Jul 20
Superb service from the start to finish. Lovely company to deal with, fast and responsive. They kept me up to date with the order progress, and then on the day of fitting they two fitter were extremely... professional and friendly and have made a brilliant job of installing my new front door. cannot recommend them highly enoughread more
Heather Watts
Heather Watts
17:30 01 Jul 20
Have just had new composite front door with two side panels fitted. We are delighted and would like to say thank you for all the advice. The service was great and the whole process from start to finish was... quick and simple. Lovely to keep it local more
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Call KP Glass & Windows on 01536 525 140 in Kettering, Northamptonshire for secondary glazing units

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