12" Side Hung UPVC Window Hinges

(18 reviews) Write a Review
WHIN-SH-COTS-12in (HIN06212) (5055621405876)
In Stock
  • 12" Side Hung UPVC Window Hinges
  • 12 Side Hung UPVC Window Hinges
  • 12" Side Hung UPVC Window Hinges
  • 12" Side Hung UPVC Window Hinges
  • 12 Side Hung UPVC Window Hinges
  • 12 Side Hung UPVC Window Hinges
  • 12 Side Hung UPVC Window Hinges
  • 12 Side Hung UPVC Window Hinges
£9.72 Inc. VAT
£8.10 Ex. VAT


Click for our Hinge Measuring Guide to help you choose the correct type and size of window hinge.
** All of our window hinges are sold in PAIRS ** 

Side hung friction hinges for upvc double glazing windows by Cotswold.

Although these are classed as a 12" window hinges the metric length is 311mm

Stack height is 13mm - if you require 17mm stack height then we have easy-fit hinge packers available.

Width is 18mm

Supplied as a handed pair.
These particular Cotswold hinges can be used as side hung or top hung hinges.

 Also available in  16" 

Not sure how to measure your window hinges?

Click here for our easy guide


Information from the manufacturer

Conforming to all current British Building Standards and FENSA requirements. 

  • Manufactured in the United Kingdom using Ferretic stainless steel.
  • Austenetic version for coastal areas available by special order.
  • The stays have been proven to a lifetime 30,000 cycle guarantee.
  • Conforms to the requirements of BS6375 Part 2 1987.
  • Made by Cotswold Architectural Products


** Work in the trade?

Get through loads of hinges?

Buy these hinges in BULK and save £££s**


Window Hinge Measuring Guide

Step 1.  Check the hanging of your window.

  • If the handle is on the SIDE of the window, you need SIDE Hung Window hinges.
  • If the handle is at the BOTTOM of the the window you need TOP HUNG hinges.








Step 2.  Measure the length of the hinge.(A)

  • The length is the track part that you can see when you open your window. Your old hinge may be a 10" but if you can fit a larger hinge in then do that. The few pennies extra will pay you back in extra years of service due to better weight distribution.




Step 3.  Measure the width of the hinge. (B)

  • Measure the width of the track that you have just measured, this could be either 15mm or 18mm.The most common one is the 18mm and is fitted on 90% of windows.


Step 4.  Measure the stack height.

  • This is not the easiest bit the do, the stack height is the actual thickness of the hinge. This can be difficult without taking the hinge off. Don't worry, THERE IS A WORKAROUND. We advise buying a pack of Hinge packers for a few pound that will enable all of our hinges to fit on your window regardless of the stack height. This will make you job infinitely easier and you will only have to remove the window opener once.

There are 2 different stack heights, 13mm and 17mm. The packers we sell clip on nice and snug to make the 13mm hinges up to 17mm with a simple clip on action.



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Frequently Asked Questions

Yes. All our window hinges come in pairs.

We can't promise that however if you have a upvc frame then its easy to put new screw holes in using self-tapping screws. Click here for screws

This is the thickness of the hinge when all the parts are closed or stacked on top of each other. Our hinges are all 13mm stack but if you need 17mm stack then our hinge packers will do the job for you.

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Additional Information

12 Inch
Side Hung
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18 Reviews

  • 5

    Very good company

    Posted by Derek Godden on Jul 16, 2024

    Easy to order, swift delivery and very helpful, I had a query, fast response with good info. The hinges were easy to fit and work well. Superb service

  • 4

    Side hung window hinges

    Posted by Ron wilkins on Jun 21, 2024

    Works very well and a straightforward swap, I would have given 5 rating but the design has been changed slightly and is not as good at location within the frame as before

  • 5


    Posted by Kev on Oct 05, 2023

    Just the job

  • 5


    Posted by Keith Hayhoe on Dec 14, 2022

    Did the job well

  • 5

    Replacement window hinges

    Posted by Terry Attwood on Jun 22, 2022

    Perfect replacement needed the packers

  • 5


    Posted by Brian Linford on Jul 08, 2021

    simple as 1 2 3 fits fine just the job ,Thanks

  • 5

    12" sonde hung window hindge

    Posted by Matthew Taylor on Feb 01, 2020

    Fits perfectly, Thanks

  • 5

    Very satisfactory

    Posted by Richard Lewis on Aug 14, 2019

    Answered my phone query very quickly

  • 5

    Excellent replacement

    Posted by Richard on Aug 10, 2019

    Bought these to replace a broken hinge. These replacements were a perfect fit and were easy to install. I can recommend this product.

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