Numbers 21 (The Clock House) and 23 is a Grade II listed building in the Broxbourne local planning authority area, England. First listed on 11 June 1954. House. 4 related planning applications.
Numbers 21 (The Clock House) and 23
- WRENN ID
- nether-pavement-sedge
- Grade
- II
- Local Planning Authority
- Broxbourne
- Constituency
- Broxbourne MP: Lewis Cocking (Con)
- Country
- England
- Date first listed
- 11 June 1954
- Type
- House
- Address
- Numbers 21 (The Clock House) and 23, Blindman's Lane, EN8 9DR
- OS grid reference
- TL 355 023
- Coordinates
- 51.70358, -0.04036
- Source
- Historic England listing
Description
Numbers 21 (The Clock House) and 23 are an early 18th-century red brick building, with later 19th-century alterations and extensions. The central block is two storeys with a steeply pitched roof covered in old tiles, featuring boxed attic dormers. It has three sash windows in flush architrave frames. The doorway is framed by an architrave with narrow side panels, fluted consoles supporting a gable and decorative paterae, a fluted frieze, a dentil cornice, and a pediment. A parapet curves upwards on either side. The side blocks were added in the early 19th century and are constructed of yellow stock brick, with slate roofs and a first-floor band. They each have two flush sash windows. Number 23 has a three-window modern extension to the north, while Number 21 has a mid-19th-century rear extension to the south, along with a modern garage.
Local climate
Numbers 21 (The Clock House) and 23 sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 97% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 63% of listed buildings. Of these, 14 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 — 5 transactions since 2005
- Related listed building consents — 4 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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