The Octagon is a Grade II listed building in the Liverpool local planning authority area, England. First listed on 19 June 1985. House. 3 related planning applications.
The Octagon
- WRENN ID
- unlit-slate-root
- Grade
- II
- Local Planning Authority
- Liverpool
- Constituency
- Liverpool Riverside MP: Kim Johnson (Lab)
- Country
- England
- Date first listed
- 19 June 1985
- Type
- House
- Address
- The Octagon, Grove Street, L7 7AD
- OS grid reference
- SJ 361 897
- Coordinates
- 53.40106, -2.96192
- Source
- Historic England listing
Description
The Octagon is a house built in 1867 by J. W. Hayward, who also authored "Health and Comfort in House Buildings" in 1872. Constructed of brick with stone dressings and a slate roof, it stands three storeys high with an attic and features three bays, incorporating some gothic details. The building has sill bands, an eaves cornice, and a parapet. The entrance is located to the left within a porch supported by columns, which carries decorative iron railings that form a balcony on the first floor. To the right, there is a full-height polygonal turret with five-light windows on each floor. The central first-floor oriel is complemented by other windows with two lights, originally hermetically sealed, although many now have opening casements. There are two dormers on the roof, and chimney stacks are present on the left gable and at the rear, along with a large stack between the second and third bays at the front, which served as the upcast shaft for the original ventilation system. The house's air was drawn through the basement, filtered and warmed by a Perkins system, and then distributed to the various rooms, eventually being extracted by coal fires or elaborate gas lights, as noted by J. M. Barber in "The Octagon," published in Building Services in July 1984.
Local climate
The Octagon sits in a wetter-than-average part of the UK, with an average of 1,080 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 75% of listed buildings.
It experiences an average of 19 freeze-thaw cycles a year, fewer than 81% of listed buildings. Of these, 9 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.
- No sale records on file
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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