Upnor Castle House is a Grade II listed building in the Medway local planning authority area, England. First listed on 14 November 1986. House. 2 related planning applications.

Upnor Castle House

WRENN ID
grey-moat-barley
Grade
II
Local Planning Authority
Medway
Constituency
Rochester and Strood MP: Lauren Edwards (Lab)
Country
England
Date first listed
14 November 1986
Type
House
Address
Upnor Castle House, Frindsbury Extra
OS grid reference
TQ 757 705
Coordinates
51.40695, 0.52527
Source
Historic England listing

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

Description

Upnor Castle House is a house dating from the mid-17th century to the north, with a later 18th-century garden front to the south. The north side is built of red brick, while the south side is yellow brick, both with slate hipped roofs. The garden front is two storeys high, featuring a coped brick parapet and three flat-headed dormers with stacks to the rear. It has a regular five-window arrangement with glazing bar sashes. A wide tripartite sash window is centrally placed on the first floor, and below it is a segmental-arched recess containing a half-glazed door flanked by narrow windows. The entrance front is characterized by five complex gables, the central one shaped over a two-story porch.

Local climate

Upnor Castle House 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 84% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 74% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 76% of listed buildings. Of these, 11 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 — 14 transactions since 1995
  • 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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Nearby listed buildings

  1. 3, High Street Grade II 56 m
  2. Castle House and Albermarle Cottage Grade II 77 m
  3. Waterhouse Cottage Grade II 85 m
  4. The Tudor Rose Public House Grade II 96 m
  5. Walsall House Grade II 105 m
  6. The Barracks Grade I 106 m
  7. Waterside Cottage Grade II 111 m
  8. Upnor Castle Grade I 126 m
  9. Traverse to former Shifting House, Lower Upnor Ordnance Depot Grade II 157 m
  10. WWI Sentry Post at the Lower Upnor Ordnance Depot Grade II 161 m