20 and 22, Riddy Lane is a Grade II listed building in the South Cambridgeshire local planning authority area, England. First listed on 31 May 1985. Cottage.

20 and 22, Riddy Lane

WRENN ID
drifting-rood-peregrine
Grade
II
Local Planning Authority
South Cambridgeshire
Constituency
St Neots and Mid Cambridgeshire MP: Ian Sollom (LD)
Country
England
Date first listed
31 May 1985
Type
Cottage
Address
20 and 22, Riddy Lane, Bourn
OS grid reference
TL 323 565
Coordinates
52.19134, -0.06573
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

20 and 22 Riddy Lane are a pair of cottages dating from the 18th century or later. They are constructed with a timber frame and plastered exterior, resting on painted brick foundations. The cottages feature a thatched half-hipped roof and have a central gault brick chimney stack. The buildings are one storey high with attics, and each cottage has two boarded doors and fixed-light windows. Number 22 includes a painted brick lean-to, and both cottages have two small dormer windows.

Local climate

20 and 22, Riddy Lane 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 87% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 55% of listed buildings. Of these, 15 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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  • 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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  2. Riddy House Grade II 31 m
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  5. Home Farmhouse Grade II 114 m
  6. Barn to North of Home Farmhouse Grade II 121 m
  7. Orchard House Grade II 127 m
  8. The Cottage Grade II 141 m
  9. The Limes and Attached Barn Grade II 144 m
  10. 6, High Street Grade II 145 m