Dorset House is a Grade II listed building in the Dorset local planning authority area, England. First listed on 23 April 1952. House.

Dorset House

WRENN ID
forbidden-foundation-sparrow
Grade
II
Local Planning Authority
Dorset
Constituency
West Dorset MP: Edward Morello (LD)
Country
England
Date first listed
23 April 1952
Type
House
Address
Dorset House, 9, Broad Street, Lyme Regis, DT7 3QD
OS grid reference
SY 341 920
Coordinates
50.72448, -2.93388
Source
Historic England listing

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

Description

Dorset House, located at No 9 Broad Street, is a building with a core dating from the 17th century, which was refronted likely in the 18th century or early 19th century. It has two storeys and features a slate gabled roof with colourwashed roughcast cladding. On the ground floor, there is a bowed window with glazing bars to the right, and above it, a splayed bay. To the left, there is a doorway framed by panelled pilasters and a flat hood, leading to a door set in reveals. This door has a rectangular fanlight with Gothic glazing and consists of six fielded panels, with the top two panels being glazed.

Nos 10 and 10A, which are part of the same structure, date from the 18th century or earlier. They also have two storeys and a slate roof with cresting. The front is colourwashed rendered, featuring a parapet with plain capping. The premises at Number Ten has a modern shop front, while the premises occupied by Roper and Roper includes a wide doorway at the left end, adorned with a moulded archivolt and flat hood above, leading to a six-panelled door with the upper four panels glazed. To the right of this doorway, there is a four-light, two-tier window with a three-light sash above it. Further right, another doorway with a moulded archivolt and flat hood leads to a four-panelled door in reveals, and adjacent to this is a two-tier window that is four panes wide, with a sash window above it.

Dorset House, along with the Bell Cliff Retaining Wall and Railings, and Nos 4 to 10 (consecutive) and 10A Broad Street, form a cohesive group.

Local climate

Dorset House receives an average of 760 mm of rain a year. This makes it drier than 66% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.

It experiences an average of 19 freeze-thaw cycles a year, fewer than 81% of listed buildings. Of these, 6 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 — 2 transactions since 2005
  • No related consent applications matched
  • 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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