Georgian Country House Sash Window Replacement


Client Brief:

Requested to provide a sash window replacement. Replacing existing 1990’s PVC windows with replicas of the original box frame sliding sashes that would have originally been fitted to the property: a Georgian Country House. To be part L compliant with double glazed sealed glass units. Each window to have 16 panes divided by slim glazing bars and to look as close to the original period windows as possible.

Work carried out:

We have developed a conservation style sliding sash window. One that has the same sectional thickness and profiles as the original Victorian and Georgian windows. Through many years of the conservation of heritage windows we saw a need for a modern version which looks authentic whilst at the same time being both secure and energy/noise efficient. Our windows use Victorian and Georgian profiles with slim line glazing. The overall depth of the box frame section is under 6″ which means its perfect for period house replacements as this is very close to the depth of the original windows which is normally 5.5”.

Techniques employed:

Box frame sections and sliding sash sections were made up and put together by hand on the bench. These were fully treated with our own linseed oil and preservative mixture which we allow to soak into the wood for over a week. Four coats of paint are applied, finishing with Little Green exterior eggshell mixed in with Farrow and Ball colour Cromarty 285 to the exterior with white satin to the interior.

All windows were fully glazed and finished by Sayerwood. We also removed the existing PVC windows, installed the new windows, the internal window boards and carried out all external remedial works.

Please take a look at some of the photographs below which illustrate the installed windows. Some of the features which help them provide a secure and energy and noise efficient beautiful alternative to UPVC are evident in the photographs.

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