Georgian
sash
windows.
The classic six-over-six glazing pattern, reproduced from period reference and engineered to outlast the originals. For Georgian terraces, town houses and listed properties across London.
Five marks of a true
Georgian sash.
-
01
Six-over-six
Three columns, two rows of light, both sashes equal in height.
-
02
Slim glazing bars
22mm period bead — modern uPVC is double that.
-
03
Square top rail
No drip moulding — that arrives in the Victorian era.
-
04
Crown glass
Slight surface ripple visible at angles. We can replicate.
-
05
Boxed weight system
No spring balances on Georgian elevations. Weights, every time.
Three columns,
two rows, perfect symmetry.
-
01
Pane ratio
5 : 7 (taller than wide).
-
02
Bar width
22mm period bead, through-glass option.
-
03
Meeting rail
Centred, sash heights equal.
-
04
Top rail
Square — no drip moulding.
-
05
Cill
Stone or timber, projection 80mm.
Common questions about
georgian.
Yes — we laser-measure and replicate the full bar profile including putty rebate. Through-glass bars available for the proper shadow line.
Slightly. The additional glazing bars mean more joinery work — typically 10–15% over a comparable two-over-two Victorian sash.
Most are in conservation areas, many are listed. We handle the consent application as part of the survey.
Free survey,
fixed quote.
Tell us about the property and we will come back within one working day with a window count, indicative price and the next available survey slot.
London NW10 7XF
+ M25 corridor