Timber sash windows

All our bespoke sash windows are handmade using traditional joinery methods

We design and manufacture our high quality, handmade sash windows to incorporate traditional joinery methods with the benefits of Slimlite Double Glazing™, draught sealing, superb paint finishing and exceptional ironmongery.

We are experts in our field, so welcome working with you to produce authentic period windows with comprehensive guarantees. We manufacture and install the entire box sash window completed to ensure your get the perfect windows for your home.

We are also happy to work with any listed buildings and conservation requirements and can supply Local Authority drawings where necessary. We pride ourselves on our top quality product with great customer service, so we can assure you of a smooth transition from start to finish of any specific project.

Contact us for a FREE quote, or call us
for a full survey on 0208 558 2447

Our quality & service are very important to us…

What our customers say

“We are delighted with our new windows. The service from Clift Joinery was exemplary: the workmanship is top notch; the customer service throughout has been outstanding; and the team of fitters are the most professional, conscientious and dedicated workmen we have had in our home. The whole process from start to finish has been an absolute delight and the whole team really cared about giving us the best service possible. Thank you very much for doing such a fantastic job”.

Tom Gordon - Islington, London

Quality bespoke

See for yourself

Looking for windows for your restoration project?

We can help you with that! Please book a quote or a free survey with our friendly team today.

Do you have a fixed restoration budget?

We are happy to work with existing box frames where the condition is good and replace sliding sashes. Please get in touch for a quote.

The benefits

What are the key benefits

  • Bespoke and Traditional – We use tried and tested traditional methods to create all of our made to measure sash windows to ensure that we meet your design brief and the building’s time period aesthetic. Everything we choose in our design from the; elegant mouldings, traditional horns, to the pulleys and lead weights is carefully chosen for its quality and performance.
  • High Quality and Low Maintenance – Our joinery makes use of traditional mortice and tenon joints for strength and durability. We choose high quality components in glazing, ironmongery, paint finishes and sustainable timber to ensure that our windows are low maintenance over their lifetime and weather resistant.
  • Energy Efficient – We glaze using the self-cleaning Slimlite Double Glazing™ which is thin enough to look like single glazing, but has all the benefits in UV-filtering (as low as 1.3) and the energy efficiency of modern double glazing. This product is recognised by Local Authorities’ as a leading double glazing product on the market today. We also seal all of our windows against environmental elements, so that your home is comfortable and tranquil (so no draughts, damp air, noise pollution, or dust).
  • Sustainable – We source the very best sustainable hardwood timber for our windows, where forests are responsibly managed.
  • Secure – Slimlite Double Glazing™ utilises safety glass for your security and each sash window comes with a locking key.
  • Value – We use sustainable, high spec timber with Slimlite Double Glazing™ to create sash windows that will last a lifetime if maintained correctly.
  • Piece of Mind – We are so confident about our product that we offer insured guarantees.
  • Contact us today for your free, no obligation site survey and quotation:

    0208 558 2447


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