The Old Grammar School is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 25 February 1965. School. 16 related planning applications.

The Old Grammar School

WRENN ID
nether-pavement-yarrow
Grade
II
Local Planning Authority
South Downs National Park
Constituency
Lewes MP: James MacCleary (LD)
Country
England
Date first listed
25 February 1965
Type
School
Address
The Old Grammar School, High Street, Lewes, BN7 1XS
OS grid reference
TQ 411 100
Coordinates
50.87233, 0.00474
Source
Historic England listing

Also on this page: EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Old Grammar School is a school building founded in 1512 and rebuilt in 1851. It is constructed of knapped flint with stock brick quoins and stone window dressings. The roof is plain tiled with gable parapets and kneelers. The building features two gable ends facing the street, with a central square-headed projection. It has three storeys and a three-window front, with tall sash windows set between chamfered mullions, each topped with hood moulds. The second floor has a single light in the centre, flanked by two lights; the first floor has two lights in the centre with three lights on either side; and the ground floor has four lights with a central ribbed door beneath a Tudor-arched moulded surround in a square-headed opening, also with a hood mould above. There is a deep block at the rear.

Local climate

The Old Grammar School receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.

It experiences an average of 15 freeze-thaw cycles a year, fewer than 85% of listed buildings. Of these, 8 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • No sale records on file
  • Related listed building consents — 16 applications
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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