Blaise Hamlet, Double 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, Double Cottage

WRENN ID
twelfth-doorway-scarlet
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, Double Cottage, 4 and 5, Hallen Road, BS10 7QY
OS grid reference
ST 559 788
Coordinates
51.50701, -2.63613
Source
Historic England listing

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

Description

Blaise Hamlet Double Cottage is a pair of attached cottages built in 1812 by John Nash and George Repton for J.S. Harford. They are constructed from random rubble with brick lateral and ridge stacks and feature a stone tile cross-gabled roof. The cottages have a single-depth plan and are designed in a picturesque style, with a single storey and an attic, comprising a three-window range.

The irregular pair includes a right-hand cross-gable that is connected by a pent roof on brackets to a left-hand open porch. This porch has a coped gable and a pointed-arched doorway leading to a plank door. The right-hand side features a wooden porch with a hipped roof. The windows include leaded lattice casements, with a three-light bay on the gable, two paired windows beneath the pent roof, and a two-light canted bay on the left return. There is also a central dormer and a two-light window set in a dovecote in the gable, along with two sets of triple stellate stacks.

Although the interior was not inspected, it is reported to have winder stairs and sitting rooms with rear services. The cottages were arranged by Harford for his retired employees and are part of a picturesque layout that is noted for its irregular composition. They are situated around an open green and were modernised around 1975.

Local climate

Blaise Hamlet, Double 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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