Mortimer House is a Grade II listed building in the West Berkshire local planning authority area, England. First listed on 14 April 1967. House. 6 related planning applications.

Mortimer House

WRENN ID
late-mullion-hyssop
Grade
II
Local Planning Authority
West Berkshire
Constituency
Reading West and Mid Berkshire MP: Olivia Bailey (Lab)
Country
England
Date first listed
14 April 1967
Type
House
Address
Mortimer House, Mortimer Lane, Stratfield Mortimer, RG7 3AJ
OS grid reference
SU 670 651
Coordinates
51.38133, -1.03849
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 large house, now used as a home for older people. It was originally built in the late 18th century and has been extended in the 19th and 20th centuries. The house is constructed of brick with vitreous brick headers, and has a low-pitched slate hipped roof of varying heights. The original design was rectangular, with later extensions to the left side and the rear.

The house has two storeys and attics, with several chimneys irregularly spaced. The south front features a plinth, red brick dressings, a cornice, and a plain parapet with stone coping. It has five bays, with sash windows with glazing bars in architrave frames, and rubbed brick heads; the ground floor windows have taller brick heads. The central bay slightly projects and contains a circa 1900 closed porch with a lean-to tiled roof and a pair of half-glazed entrance doors with a stone head. A tall, 4-light casement window, set within a square bay with stone coping and a flat roof, replaced earlier windows to the right of the porch in the early 20th century. A two-bay wing, set back and dating from the 19th and 20th centuries, is located to the left, with further recessed single-bay extensions to its left.

Inside, an 18th-century staircase has iron scrolled balusters, moulded tread ends, a string, and a moulded handrail, with an inlaid star pattern on the wringing. A domed lantern light with a cornice sits above the staircase hall. Doorcases in the hall on both levels have moulded architraves, panelled linings, and carved cornices. In the main ground floor room are two Corinthian pilaster arches. An early 17th-century carved wood overmantel with bead and reel ornament is found in an attic bedroom within a 19th-century extension, along with an early 19th-century firebasket.

Local climate

Mortimer House receives an average of 740 mm of rain a year. This makes it drier than 75% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 66% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 60% 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 — 5 transactions since 1995
  • Related listed building consents — 6 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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  5. Abbeycroft Grade II 940 m
  6. Mortimer Station Overbridge Grade II 1.0 km
  7. Mortimer Station Grade II* 1.0 km
  8. Waiting Room at Mortimer Station on South West Side of Railway Line Grade II* 1.1 km
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