Founded in Windsor, Berkshire and manufacturing Double Glazed Timber Sliding Sash and Hinged Windows since 1979.

Today we serve London & the South East installing our new organic hardwood windows, or by converting old windows to modern requirements.

We can save you heating costs, reduce noise from outside, provide extra security, all without impairing the wonderful aesthetics of original wooden windows.

We have 5stars Welcome reviews on Which? and TrustPilot.

Our Unique Products

Traditional Timber Sliding Sash Windows, Discreetly Double Glazed and Draught-proofed For All Today’s Essential Requirements

lboxsa5c Welcome

Double Glazed Sash Window

Flexible Glazing Options: all with Aesthetic double glazing designed specifically to :

  • minimise heating costs
  • minimise noise from outside
  • minimise draughts
  • minimise ultra-violet damage
  • MAXIMISE THE RESULTING INCREASE IN VALUE OF YOUR PROPERTY

Various Timber Options To Match The Original:

  • timber glazing bars to match putty
  • internal mouldings to match original moudings
  • horns to match original horns
  • every new sash window looks authentic and traditional
  • all security glass in double glazing. Sash windows have locking keys
  • choice of white, or Farrow & Ball colours of your choice

Traditional Timber Hinged Casement Windows, Discreetly Double Glazed For All Today’s Essential Requirements

Double glazed, all benefits to match our award winning sash windows.

Traditional-Hinged-Casement_h250 Welcome

Traditional Hinged Casement

Flexible Glazing Options: all with Aesthetic double glazing designed specifically to :

  • minimise heating costs
  • minimise noise from outside
  • minimise draughts
  • minimise ultra-violet damage
  • MAXIMISE THE RESULTING INCREASE IN VALUE OF YOUR PROPERTY

Various Timber Options To Match The Original:

  • timber glazing bars to match putty
  • internal mouldings to match original moudings
  • every new casement window looks authentic and traditional
  • all security glass in double glazing. Casement windows have locking keys
  • choice of white, or Farrow & Ball colours of your choice

Traditional Timber French Doors, Double Glazed For All Today’s Essential Requirements

Traditional-French-Doors Welcome

Traditional French Doors

Flexible Glazing Options: all with Aesthetic double glazing designed specifically to :

  • minimise heating costs
  • minimise noise from outside
  • minimise draughts
  • minimise ultra-violet damage
  • MAXIMISE THE RESULTING INCREASE IN VALUE OF YOUR PROPERTY

Flexible Timber Options To Match The Original:

  • timber glazing bars to match putty
  • internal mouldings to match original moudings
  • every new French Door looks authentic and traditional
  • all security glass in double glazing. French Doors have locking espagnolette system and shoot bolts
  • choice of white, or Farrow & Ball colours of your choice

Traditional Timber Front And Rear Doors

  • these copy the original and are Double Glazed with safety glass
  • full security with range of B. S. Locks
Hardwood-Front-Doors Welcome

Hardwood Front Doors

Flexible Glazing Options: all with Aesthetic double glazing designed specifically to :

  • minimise heating costs
  • minimise noise from outside
  • minimise draughts
  • minimise ultra-violet damage
  • MAXIMISE THE RESULTING INCREASE IN VALUE OF YOUR PROPERTY

Various Timber Options To Match The Original:

  • timber glazing bars to match putty
  • internal mouldings to match original mouldings
  • every new Door looks authentic and traditional
  • all security glass in double glazing. Doors have double key locking and shoot bolts.
  • choice of white, or Farrow & Ball colours of your choice

Bespoke Timber Draught Proofing

linsre5c Welcome

Bespoke Timber Draught Proofing

  • very effective to minimise heat loss, to stop cold draught and to reduce noise from outside
  • our bespoke timber mouldings are the same as the originals, which perfectly complement the window or door

 

 

 

Secondary Glazing

Secondary-Double-Glazing Welcome

Secondary Double Glzing

  • perfectly suits sash windows and casement windows and doors
  • option of lightweight, economy version
  • Secondary glazing is an ideal solution where double glazing is not possible.
  • discrete and easy to use.
  • can be stored away in summer.
  • very effective all round

 

 

 

ABOUT US – WHY YOU ARE IN SAFE HANDS……

johnrose_749x777 Welcome
All our Local Area Window Surveyors have over 20 years experience of wooden sliding sash windows and hinged casement windows. Each Surveyor can help you compare the various options to ascertain the most cost effective for you – and show you samples of this. When you have chosen, he will provide you with a free Best Advice Report.

TO CONTACT OUR WINDOW SURVEYOR IN YOUR LOCAL AREA, CLICK HERE

janefoley Welcome
Should you decide to place an order, our Customer Liaisons Manager, Jane, 27 years experience with us, can carefully guide you through the process of your order for organic timber windows, to successful completion.

JANE’S DIRECT LINE FOR CUSTOMERS IS 01753 829104

phillipbunce Welcome
Our Production Manager, Phillip, 28 years with us, oversees our skilled joiners, glazers and painters to create your hand-assembled, British made wood windows. You are very welcome to visit our state-of-the-art joinery works and examine the authenticity they can create for you.

TO CONTACT PHIL DIRECT PLEASE EMAIL:
phillip.bunce@boxsash.com because your message is important, it should be on record.

tanyasim Welcome
Our Installation Manager, Tanya, 28 years experience here, will arrange the fitting date mutually with you, for your hardwood windows, to be undertaken at your home by our Competent Persons installers. On completion everything will be left clean and tidy, will minimise your heating costs, outside noise and add value to your home.

TANYA’S DIRECT LINE FOR CUSTOMERS IS 01753 829110

Sash windows, the 7 most important things you should know before buying new timber windows

To find out important things about a timber window, double glazed, please click here to continue reading.

The most popular choices from thousands of sash window installations by our skilled local joiners based in London and the South East.

26-Speldhurst-road-renewed1 WelcomeTop choice of windows for the Home Owner in London and South East for saving heating costs.

Aesthetic, slim sealed glass units low U-value, with solid organic timber which insulates the frames.

 

windows WelcomeTop choice for the Home Owner in London and the South East who wants to reduce noise from outside.

Double glazed organic timber sash windows with exclusive VapourTec (TM) acoustic barrier gas-fill and Optiphon laminated glass, both saving heating costs and reducing noise.

popularhoice3 WelcomeTop choice for the Home Owner in London and the South East who wants extra security and peace of mind.

6.8 mm laminated glass outer pane and toughened inner pane in double glazed authentic box sash windows, saving heating costs and really secure.

violin-player WelcomeTop choice for the Home Owner who wants ultimate performance of saving heating costs, noise reduction and security.

Traditional organic timber sash windows double glazed with Optiphone outer pane and S1 superior insulating glass inner pane.

JR3a WelcomeTop choice for the Conservation Area Home Owner who may need planning consent for new but authentic Sash Windows.

Organic timber frames and solid timber glazing bars with original mouldings. Extremely discretely double glazed. Can be divided into individual panes of old glass. Excellent for saving heating costs.

click for your free sample or phone 01753 858196

Gallery

Beforebw-before Welcome
Afterbw-after Welcome
Afterbw-after2 Welcome
 which-trusted-trader-logo Welcome
MORE AFTERS
boxsash_white_sash_windows_double_storey Welcome
boxsash_gallery_windows_berkshire Welcome
which-trusted-trader-logo Welcome
boxsash_white_sash_windows Welcome
boxsash_white_sash_windows_closeup Welcome
boxsash_gallery_windows_berkshire3 Welcome
which-trusted-trader-logo Welcome
boxsash_door_wood_white1 Welcome
boxsash_gallery_windows_berkshire2 Welcome
which-trusted-trader-logo Welcome

Optional service: send us photos of your windows via this interactive website and receive a Best Advice Report FREE OF CHARGE. This could provide you with a speedier report.

click here to post your photos to us

Video and Links

A short video from 30 years ago depicting how we invented the double-glazed timber sash window and how we developed this concept. You may recognise the celebrity commentator!

You can visit our video at http://www.youtube.com/watch?v=RmFxiMy-aL0 and http://www.youtube.com/watch?v=7LalUTlenzI