About Us

  • Slide title

    Write your caption here

  • Slide title

    Write your caption here

  • Slide title

    Write your caption here

  • Niddal Door

    Slide Title

    Write your caption here


Friendly, Local, Here to Help

Embarking on any home improvement project is a big decision and we understand that you need the assurance that the company you choose is competent, helpful, experienced and reliable. Niddal Windows are a local owner managed business founded in 1977 and since then we have progressed , expanded and evolved into the reliable, genuine and respected company that we are today.
To get further information on our products and services, call 01423 866588 now or visit our showroom in person.

About us

We employ over 20 local members of staff, who together form a very valued team which helps continue our development and raising standards with a clear understanding that when you invest in property improvements you want them to be of the highest quality and installed to an excellent standard by a company you can trust. 
We will never pressure you into making your decision and invite you into our showroom to check the quality of our products for yourself 

Showroom Address
Rosaleen Factory
13 Iles Lane, Knaresborough
North Yorkshire, HG5 8DY

Opening hours:
Mon - Friday 8.30 - 5.00 
Saturday 8.30 - 1.00
Sunday closed
Out of hours appointments available by enquiry
Click for Directions


We’d love you to come and visit our showroom, where you can meet our expert ,friendly team and see a selection of products from our range up close. On show we have windows in various colours and finishes, Casement, flush sash ,French, tilt and turn and also Vertical sliding sash. Doors in Composite , PVCu , French, sliding patio and also Aluminium bi -folding and sliding doors. 
Come and see our range of traditional or contemporary conservatories, lantern roofs and garden rooms on display, experience how our products look, feel and work before you decide on your new purchase.
We’d love to meet you!

We are Open to Trade & DIY

Are you a tradesman specialising in window installation or looking to install your own windows? Are you looking for a reliable supplier for your glazing requirements? Then Niddal are happy to help!

We stock all the supplies and materials you would need for high quality window installation. We are happy to supply our premium quality product to both trade customers and members of the general public, If you have any questions about our products, feel free to approach our experienced staff who are always happy to help.

Did you know we provide… 
• Windows
• Doors
• Conservatories
• Garden Rooms 
• Composite Doors
• French & Patio Doors 
• Bi – Folding Doors 
• Roofline and guttering 
• Trims and architraves 

The Process

We will take care of everything for you including advice regarding any planning or building regulation requirements you may need. Once an order has been placed we will send through your contract and deposit invoice. Once the signed contract and deposit is returned, we will arrange for our surveyors visit to take detailed measurements, go through your requirements and make sure you are fully satisfied with the choices you've made. The order will then be passed on to our manufacturers for production. Once manufactured, we will contact you to arrange a convenient date for our experienced team to install your windows and doors, taking care to do the job right and cleaning up behind themselves. 

On completion we will present our final invoice , register your installation with the relevant bodies where required and provide you with our guarantee. You're then free to enjoy your new windows and doors to your home
Share by: