12 and 13 is a Grade II listed building in the Dacorum local planning authority area, England. First listed on 2 December 1986. House. 6 related planning applications.
12 and 13
- WRENN ID
- hallowed-grate-solstice
- Grade
- II
- Local Planning Authority
- Dacorum
- Constituency
- Harpenden and Berkhamsted MP: Victoria Collins (LD)
- Country
- England
- Date first listed
- 2 December 1986
- Type
- House
- Address
- 12 and 13, Little Gaddesden, HP4 1ND
- OS grid reference
- SP 984 142
- Coordinates
- 51.81851, -0.57343
- Source
- Historic England listing
Description
These are two houses, likely originating in the 17th century, and altered in the 18th and early 19th centuries to become two estate houses. The houses have a timber frame structure, now mostly brick-cased, with half-hipped roofs covered in old red tiles and rear extensions. A shared internal chimney stack connects the two houses. The two-storey front faces east and features two casement windows on each floor, each with a segmental arch above. There is a boarded front door. A gabled porch is situated at No. 13, and a window is visible on the south end, facing the road.
Local climate
12 and 13 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 77% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 79% of listed buildings.
It experiences an average of 38 freeze-thaw cycles a year, more than 72% 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 — 5 transactions since 2001
- Related listed building consents — 6 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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