12, Helmet Row is a Grade II listed building in the Islington local planning authority area, England. First listed on 29 December 1950. Rectory, office. 1 related planning application.

12, Helmet Row

WRENN ID
lost-moat-bone
Grade
II
Local Planning Authority
Islington
Constituency
Islington South and Finsbury MP: Emily Thornberry (Lab)
Country
England
Date first listed
29 December 1950
Type
Rectory, office
Address
12, Helmet Row, EC1V 3QJ
OS grid reference
TQ 322 824
Coordinates
51.52532, -0.09467
Source
Historic England listing

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

Description

No. 12 Helmet Row, formerly St Luke's Rectory and now used as offices, dates back to 1774, as indicated by the rainwater head on the left side of the front. The main building features multicoloured brick set in Flemish bond, while the added south-west wing is constructed of yellow brick, also in Flemish bond, with stucco details. The roof is covered with slate. The structure is three storeys tall with a basement, presenting a five-window range to Helmet Row and a three-window range to Mitchell Street.

The entrance is located on Mitchell Street, featuring Ionic pilasters set against a rusticated background, which supports an entablature with a partly pulvinated and enriched frieze. The doorcase has a plain inset frame and an overlight. Other openings on Mitchell Street have segmental arches with gauged brick heads, but are mostly blank. The front on Helmet Row includes a five-sided, single-storey bay made of yellow brick, replacing the two left-hand openings on the ground floor, along with a lower segmental-arched window next to it. The remaining windows are segmental-arched with gauged red brick heads, and the two right-hand windows on the ground floor and the two left-hand windows on the first and second floors feature 6/6 sashes of original design. The building has a parapet and a triple hipped roof.

The three-storey wing to the south-west has segmental-arched windows, likely dating from the mid-19th century. Inside, the ground-floor north room on the Helmet Row front is panelled and includes a moulded cornice, a mid-19th century marble fireplace, and a late 19th century cast iron grate. The adjacent south room is also panelled with a moulded cornice and has a fireplace of uncertain date. The ground-floor room in the south-west wing features mid-19th century, faintly Gothic architraves on the windows and door. On the first floor, the rooms facing Helmet Row are panelled with cornices, with the north room featuring an eared fireplace surround. The second-floor rooms facing Helmet Row have panelled dados and segmental-arched fireplace surrounds.

Local climate

12, Helmet Row sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 16 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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  • 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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  2. Railings and Gates Around St Luke's Churchyard Grade II 64 m
  3. Caslon Tomb in St Luke's Churchyard Grade II 67 m
  4. Two Bollards at the Entrance to Helmet Row Grade II 74 m
  5. Two Bollards at the Entrance to Ironmonger Row Grade II 93 m
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  8. Dagmar House Grade II 287 m
  9. Basterfield House including steps to garden Grade II 289 m
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