Becket House and Peppercorn House is a Grade II listed building in the Portsmouth local planning authority area, England. First listed on 10 January 1953. House. 3 related planning applications.

Becket House and Peppercorn House

WRENN ID
muted-ledge-cedar
Grade
II
Local Planning Authority
Portsmouth
Constituency
Portsmouth South MP: Stephen Morgan (Lab)
Country
England
Date first listed
10 January 1953
Type
House
Address
Becket House and Peppercorn House, 69 and 70, St Thomas's Street, City of Portsmouth, PO1 2EZ
OS grid reference
SZ 632 994
Coordinates
50.79096, -1.10414
Source
Historic England listing

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

Description

These are a pair of late 17th and early 18th century houses, with a later 18th century refronting. They are located in St Thomas’s Street, Portsmouth. Number 69, Becket House, has a plain tile roof and a brick stack to the right of the right-hand side. Number 70, Peppercorn House, has a concealed roof and a brick stack to the right.

The houses are three storeys high. Number 69 has two bays, while Number 70 has one. Number 69 features a six-panel door to the left, set within a panelled surround that includes pilasters and a moulded hood supported by shaped brackets. To the left of the door is a small round-headed stained glass window. Above the door are two four-pane sash windows. Smaller four-pane sashes are located on the first and second floors. A tripartite canted oriel window is positioned to the right on the first floor, with a central four-pane sash, narrower flanking sashes, a moulded sill, plain apron, fascia and cornice. Horizontal bands run across the first and second floors, topped by a coped parapet.

Number 70 has a six-panel door to the left, with pilasters and a pedimented hood on shaped brackets. Four stone steps lead to the entrance, and to the right of the door are two sash windows, each with twelve panes. Horizontal bands also run across the first and second floors of Number 70. The first floor has a tripartite window; the second floor has a two-light casement window. A lead capping tops the parapet. The interior of the buildings has not been inspected.

Local climate

Becket House and Peppercorn House receives an average of 810 mm of rain a year. This makes it drier than 52% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 77% of listed buildings.

It experiences an average of 19 freeze-thaw cycles a year, fewer than 79% of listed buildings. Of these, 8 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 — 8 transactions since 1995
  • Related listed building consents — 3 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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