Mortimer House is a Grade II* listed building in the Bristol, City of local planning authority area, England. First listed on 4 March 1977. House, nursing home. 12 related planning applications.

Mortimer House

WRENN ID
veiled-facade-lichen
Grade
II*
Local Planning Authority
Bristol, City of
Constituency
Bristol Central MP: Carla Denyer (Green)
Country
England
Date first listed
4 March 1977
Type
House, nursing home
Address
Mortimer House, Clifton Down Road, BS8 4AE
OS grid reference
ST 570 731
Coordinates
51.45584, -2.61903
Source
Historic England listing

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

Description

Mortimer House is a house that has been converted into a nursing home. It was built around 1760 and altered in the mid-19th century. The building is constructed from limestone ashlar and features gable stacks and a slate hipped roof. It has a double-depth plan and is designed in a mid-Georgian style, standing three storeys tall with a basement and a nine-window range.

The symmetrical front of the house includes a parapeted single-storey flanking wing on either side, which rises to two storeys further back. The central three-window section projects forward. The ground floor is rusticated and features a plat band, a first-floor sill band, and quoins above leading to a modillion cornice, with a parapet and pediment at the centre. The doorway is framed by a Gibbs surround with three large keys, a bracketed cornice, and an eight-panel door, with the top pair being glazed. The ground-floor windows have large keys and architraves above with sill blocks, and they are fitted with horned plate-glass sashes.

To the right, there is an early 19th-century block that is set back and rendered, featuring two semicircular-arched doorways with imposts and keys, a blocked ground-floor window, and cambered heads above two first-floor six-over-six pane sashes. The symmetrical rear elevation has canted full-height bays from the mid-19th century at each end.

Inside, the house retains many mid-19th-century details, including an entrance hall with a stained-glass screen, a rear open-well staircase with column balusters, a curtail and wreathed rail, plaster panels on the walls, a modillion cornice, and marble surrounds to cast-iron fireplaces. The design of Mortimer House is closely modeled on Clifton Hill House, which was built between 1746 and 1750.

Local climate

Mortimer House 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.
  • Sale history — 2 transactions since 2017
  • Related listed building consents — 12 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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