35 and 36 Observatory Close is a Grade II listed building in the South Oxfordshire local planning authority area, England. First listed on 28 November 1985. House. 5 related planning applications.
35 and 36 Observatory Close
- WRENN ID
- fading-mantel-frost
- Grade
- II
- Local Planning Authority
- South Oxfordshire
- Constituency
- Henley and Thame MP: Freddie van Mierlo (LD)
- Country
- England
- Date first listed
- 28 November 1985
- Type
- House
- Address
- 35 and 36 Observatory Close, Benson, OX10 6NU
- OS grid reference
- SU 621 918
- Coordinates
- 51.62172, -1.1034
- Source
- Historic England listing
Description
This is a house dating from the 16th century, with alterations and extensions made in the 18th and 19th centuries. The left-hand side is built of grey brick, while the right-hand side is a mix of banded limestone, flint, and red brick dressings. The roof is covered in plain tiles, and there are brick stacks. The main part of the house is two storeys high and has a two-window front. A six-panel door with part-glazing is centrally positioned, and it is sheltered by a flat hood. There are tripartite windows with 15 panes in sashes to the centre, along with similar windows to the left and right. Above, there are two two-light casement windows. The roof has two cross-gables, with a ridge stack on the left and an end stack on the right. The right-hand return wall has irregular fenestration with casements. The interior of the main house has not been inspected. To the left, there is a smaller wing, likely a former barn. This wing combines knapped flint walls with brick dressings on both sides, limestone rubble in the centre, and some timber framing.
Local climate
35 and 36 Observatory Close 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 82% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 75% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 65% of listed buildings. Of these, 16 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 — 6 transactions since 1997
- Related listed building consents — 5 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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