Clayton Manor is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 28 October 1957. Manor. 1 related planning application.

Clayton Manor

WRENN ID
nether-window-yarrow
Grade
II
Local Planning Authority
South Downs National Park
Constituency
Mid Sussex MP: Alison Bennett (LD)
Country
England
Date first listed
28 October 1957
Type
Manor
Address
Clayton Manor, Underhill Lane, Hassocks, Mid Sussex, BN6 9PJ
OS grid reference
TQ 303 139
Coordinates
50.91039, -0.14778
Source
Historic England listing

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

Description

Clayton Manor is a late 18th-century building that stands two storeys high and features three windows. The exterior is faced with Roman cement and topped with a parapet and a tiled roof. Notable architectural elements include two curved windows with three lights each on both floors, which retain their glazing bars. The entrance has a porch, now glazed, supported by Doric columns and adorned with a pediment. Additionally, a wing was added to the southeast corner in the 19th century.

Local climate

Clayton Manor receives an average of 840 mm of rain a year. This makes it wetter than 56% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 89% of listed buildings.

It experiences an average of 15 freeze-thaw cycles a year, fewer than 85% of listed buildings. Of these, 7 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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  • No EPC on record for this property
  • Sale history — 2 transactions since 1999
  • Related listed building consents — 1 application
  • 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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Nearby listed buildings

  1. Clayton Castle Grade II 145 m
  2. The Parish Church of St John the Baptist Grade I 392 m
  3. Hillside Grade II 409 m
  4. Clayton Tunnel North Portal Tunnel Cottage Grade II 485 m
  5. Southdown Lodge Grade II 488 m
  6. Clayton Windmills and the Millhouse Attached Grade II* 593 m
  7. Hautboys Grade II 1.4 km
  8. Dapps Grade II 1.5 km
  9. Old Thatch Grade II 1.7 km
  10. Old School Cottage Grade II 1.7 km