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Bespoke Timber Windows & Doors

bespoke timber sash window


We specialise in reproduction, replacement and refurbishment of traditional timber sash and casement windows and doors across South East and East London.


We are a small business with professional, friendly and personal way of working.  Although a small business, we understand the importance of the well run company and has the necessary assurances in place that are as important for us as a business as for our customers.


Over 30 years of family tradition and expertise guarantees a high quality service.

guaranteed & certified 

All of our windows and doors are guaranteed for 10 years from the installation completion, Certass certified and QANW insurance back guaranteed. 


We are Certass registered business. Certass is government approved certification body, which guarantees compliance with local building regulations and guarantees by law required insurance backed guarantee.  


All Certass registered contractors are vetted to ensure they are qualified to carry out installation work in accordance with the current building regulations and, once an installation is complete, Certass provides you with the Building Regulation Compliance Certificate for the work carried out, at no extra cost to customer.

timber sash windows
conservation approved sash windows

conservation approved windows 

We work closely with conservation area officers and  architects to help maintain original style of the windows in order to preserve unique original style of the property.    


We provide complimentary (free of charge) planning application assistance for conservation / listed building applications. 


Sash Window Doctor Ltd. 

Berkeley Crescent, Dartford, DA1 1NH    

Tel: 01322311739 evenings / 07855858184 anytime

alternatively send us your details here and we'll contact you at earliest convenience 

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what our customers say

Nick, Ermine Road, SE13

"Fantastic service and high quality product. Very pleased overall. Delighted with our new windows and doors. Peter was great and the team worked promptly and did a great job clearing up too. Excellent stuff."

Chenda, Brand Street, SE10

"Fantastic team - totally reliable and going the extra mile. I would thoroughly recommend them. Their work is excellent."

Bridget, Kenilworth Road, E3

"Very professional, tidy and great attention to detail. Trustworthy"

our services

Timber Sash & Casement Windows
titmber sash windows
External Hardwood Doors
external hardwood doors
Window Refurbishement
sash window refurbishment


Sash Window Doctor Ltd. 

Berkeley Crescent,

Dartford, Kent






01322311739 evenings

07855858184 anytime

sash windows made in britain
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