St Johns Cottage is a Grade II listed building in the Hounslow local planning authority area, England. Residential. 1 related planning application.

St Johns Cottage

WRENN ID
forgotten-pilaster-marsh
Grade
II
Local Planning Authority
Hounslow
Constituency
Brentford and Isleworth MP: Ruth Cadbury (Lab)
Country
England
Type
Residential
Address
St Johns Cottage, St John's Road, TW7 6NY
OS grid reference
TQ 156 760
Coordinates
51.47158, -0.33628
Source
Historic England listing

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

Description

St John's Cottage and St John’s Lodge are a former school and schoolmaster's house, dating from 1859 and likely designed by John Deason for John Farnell. The building is now two dwellings. Constructed of squared and coursed limestone with ashlar dressings, it has gabled slate roofs and stone ridge and lateral stacks. The building has a complex layout, with the house to the right of the former school. It is built in a Gothic Revival style with an asymmetrical two-storey, three-window front, featuring two gables separated by a central tower with a cinquefoil-headed light and pyramidal roof. The gable to the house on the right has a plank door with decorative hinges set in a pointed-arched architrave, and chamfered stone-mullioned windows of up to three lights. The gable to the former school on the left has a three-light stone-mullioned and transomed window with cinquefoil lights. A smaller gabled porch is set to the left, with a heraldic crest above a similar pointed-arched doorway. Other elevations are in a similar style, featuring a picturesque grouping of stacks and gables. Walls and former service buildings enclose a former service courtyard to the rear of the house. Internally, St John’s Lodge, the former school, has quatrefoils let into boarded ceilings of canted common rafter roofs in two former schoolrooms. The building is part of a group, which includes a church and almshouses, erected for the local benefactor and brewer John Farnell.

Local climate

St Johns Cottage 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 92% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 90% of listed buildings.

It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% 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 — 7 transactions since 1997
  • Related listed building consents — 1 application
  • 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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  5. 202 and 204, Linkfield Road Grade II 472 m
  6. 185 and 187, Twickenham Road Grade II 540 m
  7. Sundial at Gumley House Grade II 541 m
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