Blaise Hamlet, Circular Cottage is a Grade I listed building in the Bristol, City of local planning authority area, England. First listed on 8 January 1959. Cottage. 2 related planning applications.

Blaise Hamlet, Circular Cottage

WRENN ID
secret-loft-thunder
Grade
I
Local Planning Authority
Bristol, City of
Constituency
Bristol North West MP: Darren Jones (Lab)
Country
England
Date first listed
8 January 1959
Type
Cottage
Address
Blaise Hamlet, Circular Cottage, 8, Hallen Road, BS10 7QY
OS grid reference
ST 559 789
Coordinates
51.50742, -2.63563
Source
Historic England listing

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

Description

Blaise Hamlet's Circular Cottage is a Grade I listed building constructed in 1812 by John Nash and George Repton for J.S. Harford. This cottage features random rubble walls, brick gable stacks, and a thatched hipped roof, showcasing a picturesque style. It has a single-depth plan and is a single-storey building with an attic, consisting of a one-window range. The cottage has a bow-ended shape with a pent roof on brackets extending around three sides, leading to a left-hand gabled open porch that houses a plank door and a front bench. The windows include paired lattice casements on the sides and front, along with half-dormers on the left and front. There are also paired diagonally-set rear stacks. A 20th-century tiled extension has been added to the rear. Although the interior was not inspected, it is reported to include a winder stair flight, a sitting room, and a pantry. This cottage was arranged by Harford for his retired employees and is part of a unique layout that is noted for its picturesque design. The cottages are situated around an open green and were modernised around 1975.

Local climate

Blaise Hamlet, Circular Cottage receives an average of 850 mm of rain a year. This makes it wetter than 58% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 62% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 63% of listed buildings. Of these, 12 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.
  • No sale records on file
  • Related listed building consents — 2 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
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