Holwood Mansion is a Grade I listed building in the Bromley local planning authority area, England. First listed on 10 January 1955. A 1825 Mansion. 10 related planning applications.

Holwood Mansion

WRENN ID
buried-attic-evening
Grade
I
Local Planning Authority
Bromley
Constituency
Bromley and Biggin Hill MP: Peter Fortune (Con)
Country
England
Date first listed
10 January 1955
Type
Mansion
Address
Holwood Mansion, Westerham Road, BR2 6HB
OS grid reference
TQ 422 635
Coordinates
51.35322, 0.04134
Source
Historic England listing

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

Description

Holwood Mansion is a large detached house dating from 1825, built on a site previously occupied by a house belonging to William Pitt the Younger. The house was designed by Decimus Burton for John Ward and was later occupied by Lord Cranworth, who served as Lord Chancellor. The house is two storeys high and has 13 windows facing its main front. It is constructed of white brick on a stone base, incorporating a stone string course cornice and parapet.

The north-west entrance front features a central, projecting three-window section with a recessed porch. The porch is supported by two fluted stone Greek Doric columns, with windows on either side and flanked by pilasters, topped by a stone entablature with a pediment. Flanking this central section are one-storey pavilions, each featuring three round-headed windows and a pediment. A nine-window service wing extends to the north-east.

The south-east garden front is dominated by a central bow supported by four freestanding, fluted Ionic columns and two Doric pilasters, which stand on a plinth of six semi-circular steps, rising the full height of the house and surmounted by a stone entablature. The three-window bays at each end of this front are recessed, with the ground floor featuring two fluted Doric columns and two pilasters. A very large cedar tree, likely dating back to Pitt’s time, stands to the south-east of the house.

Local climate

Holwood Mansion sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 81% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, fewer than 51% of listed buildings. Of these, 15 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.
  • Sale history — 1 transaction since 2018
  • Related listed building consents — 10 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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