Sash Window Repairs, Refurbishments & Installation In Kensington SW7

Novells of Surrey provides a complete sash window repair, refurbishment and installation service to homeowners across Kensington SW7 and surrounding areas.

Whether you are experiencing draughty or rattling windows, need a sash cord replacing or want to find out more about having brand new timber sash windows installed, we can help.

For a fast, local response, give us a call today on 020 8395 1916 or fill out a call back request form and one of the team will be in touch.

Common Problems with Sash Windows

Some of the most common reasons we’re called out to repair and refurbish sash windows at properties in Kensington include:

  •         Rotten timber
  •         Worn or broken sash cords
  •         Swollen or shrunken window frames
  •         Rattling windows
  •         Loose or damaged joints
  •         Leaks
  •         Sticking or unable to move window
  •         Draughty windows

Sash Window Repair and Refurbishment Specialists 

As well as being unsightly, damaged or aging sash windows can result in leaks causing damp and mould, increased energy bills and can also be a security risk.

With years of experience in sash window repairs and maintenance, we can help restore your sash windows to good working condition, fitting our brush-pile system to eliminate rattling and reduce draughts.

Our 18-step refurbishment process guarantees that your window is weatherproof, leakproof and draught-proof without impacting on aesthetics.

Whilst Kensington may be renowned for its grand period and listed buildings, no home is too big or small for us to work on and we’ll happily quote for jobs of all sizes.

If your sash window needs a repair, call us today on 020 8395 1916 or use the form to request a call back.



“Extremely efficient and responsive, all work conducted as estimated to a really excellent standard. Highly recommended - we are very happy with the work, which involved replacement of one large sash window and refurbishment of 8 others.”

Read More 5 Verified Star Reviews on Checkatrade

Sash Window Replacement

If your sash windows are beyond repair, or you’d like to upgrade them to more efficient double-glazed sash windows, we can help. We offer a wide range of colours and style choices to suit your preferences, whether you prefer a classic look or something more contemporary.

All our windows come fully finished, meaning you won’t need to worry about the expense of calling additional contractors in, you can also be safe in the knowledge that we are insured and have a 9.96/10 rating on Checkatrade.

Why Choose Novells?

  •         All of our box sash windows are made in England.
  •         All our windows are built using sustainable grade A timber.
  •         All of our new box sash windows meet current UK building regulations.
  •         We can supply windows made from Treated Softwood, Hardwood or Accoya.
  •         We are a FENSA registered company.
  •         We offer an insurance backed guarantee with the glass and glazing federation insurance scheme.
  •         We are proud to be an independent family run firm.
  •         We offer free estimates.

Sash Window FAQs

What Are Sash Cords?

Sash cords, sometimes referred to as sash ropes are a vital part of the sash window design which enables the window to operate properly. When these cords break, the windows may no longer be opened or closed.

If you’re experiencing faults with your windows operation, it could be that the sash cord is broken or worn, get in touch with us today to book a home visit.

How Much Does a Sash Window Repair Cost?

The cost of the repair or refurbishment of your sash window depends on several factors including age, style, accessibility and current condition.

At Novells, we don’t believe in hidden costs or surprise bills, that’s why we provide a free estimate to give you an idea of expected costs before work goes ahead.

Can I Repair My Own Sash Windows?

When it comes to sash window repair, some homeowners do opt for a DIY approach. However, without the proper expertise, this can do more damage and good to the window which is why we highly recommend using a professional unless you have the proper tools and knowledge to do it safely on your own.

Sash Repair Specialists Kensington

If you’re looking for an experienced, local company to repair, refurbish or replace your sash windows and would like a free estimate, get in touch with us today. Call now on 020 8395 1916 or fill out the form below to request a call back from one of the team.

Request a Call-Back

Double glazed sashes fitted to existing box frames



Traditional Period Timber Front Doors In Kensington

Designed to your requirements complete with frame we specialise in the following architectural eras:

Early Georgian, Late Georgian, Regency, Victorian, Edwardian and 1920's / 1930's

"Hi Phil Just wanted to drop you an email to say how amazing the windows look. We are utterly thrilled with them and make the house look totally different. John was punctual and tidy and it was a pleasure to have him here." Annie

"I would like to thank you and especially John for his quality of work and attention to details. The work was done without any disturbance to our life despite the cold (November). I can only praise John's attitude to his work, attention to details and tidiness at the end of each day. I shall recommend your work to any body and if you require references in the area, please do not hesitate." Mrs Winter

"I can't believe I lived for 10 years with a set of sash windows that were either inoperable, draughty or difficult and risky to open and close - when it took Novells only a couple of days to restore all of them to the point where they silently glide like new. I cannot recommend Novells highly enough. I'd originally asked Philip, the owner of the company, to replace a broken cord in one of the windows and to leave it at that. I thought it would be way too expensive to restore the full set of seven Victorian sash windows in my flat. Not true. Getting my windows restored and draft proofed is the best value investment I have made in my flat. Novells are friendly, professional and top quality at a very fair price. I wish I'd come across Novells 10 years ago." Alan

"Thanks again for doing a brilliant job on the windows, they've turned out better than we ever expected. Please feel free to send prospective clients looking for a reference our way" Colm

"Many thanks for doing a fantastic job on our bathroom windows, I'm absolutely delighted with the work. Thanks also for being so professional – it's always a worry letting someone into your home when you have to go out for the day but we could trust you completely. Thanks again for a great job, I'm sure we will be contacting you again" Dave