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  • About Martindale Windows


As the longest serving family run Windows, Doors and Conservatories provider in the Northamptonshire region, here at Martindale Windows and Developments we pride ourselves on exceptional service, the highest quality products and attention to detail with every installation.

With over 40 years experience in the windows and doors industry, we aim to deliver you the perfect solution for your home improvement project. From the very outset of your project we have a dedicated team of surveyors, designers and installers who will ensure that your installation is delivered and fitted on-time and to a standard that our customers and accreditors demand.

Operating from our state-of-the-art showroom and offices in Moulton Park, Northampton, we serve clients throughout Northamptonshire and the surrounding counties of Bedfordshire, Leicestershire, Buckinghamshire and Oxfordshire, tailoring your Windows, Doors or Conservatory around your individual requirements and lifestyle.

Over 25 Years of Family Run Service Excellence

Started in 1992 by Geoff Tarry who has been involved within the Windows and Doors industry for over 40 years, Martindale Windows and Developments have family values and service excellence at the core of everything we do. 

Now run jointly as a father and son team from the heart of Northampton, we have a team of 12 passionate and dedicated office and installation staff who take the upmost care to ensure that every single customer is expertly looked after.

Whether you’re having a simple glazing repair or a full conservatory or development, our experienced team will work with you every step of the way to deliver perfection for your project.


As your next installation of windows, doors or a new conservatory should enhanced your home for many years to come, one area that we never compromise on is the quality of our products.

We source the finest uPVC,  Aluminium and Composite Windows and Doors from leading providers such as Stern Fenster and are fully accredited around the  Fensa industry standard.

In addition to this, all of our products  comply with the Secured by Design  standards  to guarantee the top levels of security and style for your installation. 


Whilst it’s important to select the right products for your projects, with any home improvement project it’s even more essential that you find the right installers to delivery a fitting and finish that meets the highest standards.

With this in mind we use a dedicated team of in-house installers who have a combined experience of over 70 years window, door and conservatory installation expertise. Our friendly staff are always on-time and will take care of your complete fit out, from previous window and door extraction through to clearing up the site after completion. 

With our team you can be rest assured that your project will run smoothly and stress-free from start to finish.


If you’d like to get an idea of just what Martindale Windows can provide for you then why not visit our purpose-built Windows, Doors and Conservatories showroom in the hear of Northampton.

Here we have a wide selection of products on display as well as details brochures to take away and read at your own leisure, helping you to make the right choice about what to include in the improvement of your property.

The showroom is open Mon-Fri for drop-in appointments but should you wish to book an appointment then please contact us below.

What our customers say...

  • Martindale Windows recently replaced all the windows at my house (18 Windows, 2 doors, Patio Door & French Door). From initial communication through to sign off I have been very impressed.
    I found them to be very professional, approachable & competitively priced without skimping on quality.
    The fitters were clean, tidy, polite and careful – treating my house like a home, not a building site.
    We are very glad that we chose Martindale and would recommend them in a Heartbeat.

    Jon witts

    All-round Excellent service and product, well fitted by friendly professionals.

  • I have been very impressed with Martindale Windows.
    I required replacement double glazed windows and this company was recommended by my son. I have not been disappointed. Their products are very high quality and their prices very competitive. Thank you to Russ, Joe, Richard and Jane for such great customer service, my windows look great! and I will definitely be back in the future as a customer.

    Lisa Berry

    I wanted to replace my front door but unsure upvc or composite door. I spoke to several different companies. And decided to buy local from Martindale Windows. Father & Son experience shared their knowledge on the difference between the two doors. I settle with a Composite door. The friendly receptionist rang me to confirm a fitting date. The fitters turned up and introduces themselves, and fitted the top quality door. I am one happy customer.

    Ray Campbell
  • Over the moon with my new windows. The fitters did a great job, were quick and left no mess. excellent job. It’s like living in a new house. Can highly recommend Martindale Windows, both staff and quality of workmanship.

    Werner Mittelsdorf

    Can highly recommend this company. They supply and fit all of our windows and doors for our building projects. Very professional, polite and everything they supply and fit is of the highest quality.

    Prestige For Your Home

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