Brook Farmhouse is a Grade II listed building in the Buckinghamshire local planning authority area, England. First listed on 26 April 1985. House. 2 related planning applications.

Brook Farmhouse

WRENN ID
ghost-chimney-heath
Grade
II
Local Planning Authority
Buckinghamshire
Constituency
Mid Buckinghamshire MP: Greg Smith (Con)
Country
England
Date first listed
26 April 1985
Type
House
Address
Brook Farmhouse, Longwick-Cum-Ilmer, HP17 9UD
OS grid reference
SP 808 059
Coordinates
51.74663, -0.83052
Source
Historic England listing

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

Description

Brook Farmhouse is a house dating from the 17th century, with alterations and an 18th-century bay added to the left, and a 20th-century extension on the right. The house is timber frame construction with whitewashed brick infill, some of the brick dating to the 17th century. It has a 20th-century tile roof, hipped over the extension to the right. The centre of the house has a partially rebuilt brick chimney, and the right side has a smaller 20th-century brick chimney. The original house comprised two bays with a central chimney and a lobby entry, with a narrower 17th- to 18th-century bay to the left. The ground floor of the original left bay has paired barred wooden casement windows, and the first floor has a single light. Above a 20th-century door is a single light window. A 20th-century canted projection with matching casement windows sits to the right and in front of a boarded 20th-century extension. The original left bay features a chamfered spine beam and heavy stop-chamfered joists.

Local climate

Brook Farmhouse sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 79% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 85% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 18 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 2006
  • Related listed building consents — 2 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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