Police Station is a Grade II listed building in the Hertsmere local planning authority area, England. First listed on 12 August 1985. Police station. 3 related planning applications.

Police Station

WRENN ID
open-flue-onyx
Grade
II
Local Planning Authority
Hertsmere
Constituency
Hertsmere MP: Sir Oliver Dowden (Con)
Country
England
Date first listed
12 August 1985
Type
Police station
Address
Police Station, Sparrows Herne, WD23 1AF
OS grid reference
TQ 139 946
Coordinates
51.63891, -0.35503
Source
Historic England listing

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

Description

The Police Station, built between 1883 and 1884 for the Metropolitan Police, is a three-storey building made of red brick with terracotta and sandstone detailing. It features a slate hipped roof and is designed with five bays, two of which are slightly set back on the right side. The entrance is located to the right and has banded rustication on the jambs, a round arched head, and recessed spandrels beneath a bracketed moulded pediment. The frieze above the entrance is inscribed with 'Metropolitan Police'.

The building has a plinth, a string course below the ground floor windows, and upper string courses along with sandstone courses. The windows are glazing bar sashes set in keyed moulded and gauged brick surrounds with slightly cambered heads, and the first and second floor windows have aprons. A coved cornice runs along the top of the building. There are three large stacks with projecting strips on the shafts and oversailing caps.

The left return of the building has two bays with windows in plain reveals and gauged brick heads. There is a pediment over a stone surround at the entrance towards the rear, and an extruded stack with offsets. The right return features one bay leading to a two-storey lean-to that extends to the rear with a coved cornice and a stack at the back. Originally, the building included an office, an occasional court, three cells, and two married quarters. Forecourt railings are attached to the front, along with a pier and a police lamp at the entrance.

Local climate

Police Station sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 93% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 91% of listed buildings.

It experiences an average of 30 freeze-thaw cycles a year, fewer than 65% of listed buildings. Of these, 13 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 — 3 transactions since 2014
  • Related listed building consents — 3 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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  4. 7 and 9, Sparrows Herne Grade II 96 m
  5. The War Memorial at Junction with School Lane Grade II 173 m
  6. Myholme Grade II 359 m
  7. Horse and Chains Public House Grade II 364 m
  8. St Loy Grade II 404 m
  9. 71 and 73, High Street Grade II 416 m
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