21, Portland Street is a Grade II listed building in the Warwick local planning authority area, England. First listed on 25 March 1970. House, shop, flat.

21, Portland Street

WRENN ID
night-rampart-ash
Grade
II
Local Planning Authority
Warwick
Constituency
Warwick and Leamington MP: Matt Western (Lab)
Country
England
Date first listed
25 March 1970
Type
House, shop, flat
Address
21, Portland Street, Royal Leamington Spa
OS grid reference
SP 315 659
Coordinates
52.29053, -1.53867
Source
Historic England listing

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

Description

No. 21 Portland Street is a house that has been converted into a shop and flat. It was built between 1824 and 1836 and features pinkish-brown brick with a painted stucco facade and a Welsh slate roof, complete with a cast-iron balcony. The building has three storeys and a basement, with two windows on the first floor. The first floor is distinguished by 8-pane French windows, while the second floor has 6/6 sash windows. The ground floor includes three steps leading to a side entrance, which features a panelled door with an overlight that has glazing bars and panelled reveals. The door surround is adorned with fluted pilaster strips and a frieze. There is also an inserted bay window with casements, and the basement has casement windows as well. The first-floor balcony is decorated with an anthemion-and-heart motif. The interior has not been inspected. Historically, Portland Street was laid out between 1823 and 1824.

Local climate

21, Portland Street receives an average of 760 mm of rain a year. This makes it drier than 67% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 67% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 66% of listed buildings. Of these, 17 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 — 3 transactions since 2006
  • 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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Nearby listed buildings

  1. 19, Portland Street Grade II 6 m
  2. 23 and 25, Portland Street Grade II 10 m
  3. 17, Portland Street Grade II 18 m
  4. 27, PORTLAND STREET (See details for further address information) Grade II 28 m
  5. Numbers 10 and 12 and Attached Railings Grade II 33 m
  6. Number 8 and Attached Railings Grade II 48 m
  7. 20, Regent Street Grade II 55 m
  8. Number 6 and Attached Railings Grade II 59 m
  9. Birch and Billycock Public House Grade II 63 m
  10. 18, Regent Street Grade II 64 m