Nell Gwynnes Bathing House and Pool is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 1 March 2001. Bathing house. 2 related planning applications.

Nell Gwynnes Bathing House and Pool

WRENN ID
gaunt-tin-equinox
Grade
II
Local Planning Authority
South Downs National Park
Constituency
Winchester MP: Dr Danny Chambers (LD)
Country
England
Date first listed
1 March 2001
Type
Bathing house
Address
Nell Gwynnes Bathing House and Pool, Itchen Valley, Winchester
OS grid reference
SU 524 322
Coordinates
51.08741, -1.25276
Source
Historic England listing

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

Description

Nell Gwynne's Bathing House and pool is a bathing house and pool built around the mid-18th century and remodelled around the mid-19th century. It is constructed of brick and features a clay plain tile hipped roof with deep eaves and exposed rafter ends, along with a brick axial stack.

The building has a rectangular plan with two rooms. The front room faces a large rectangular pool, and both rooms are heated by back-to-back fireplaces located in a central axial stack. The fireplace in the back room includes an oven.

The exterior is a single storey with round-headed windows on the east front facing the pool, a round-headed doorway, and a semi-circular window on the south side. The north side features cambered brick arches over the windows, and the rear wall has been partly rebuilt.

Inside, the walls are made of exposed brick, although the ceiling is missing. The central brick axial stack contains back-to-back fireplaces, both with cambered brick arches, and the back room's fireplace has an oven. In front of the bathing house, there is a large rectangular bathing pool with dressed stone coping.

Local climate

Nell Gwynnes Bathing House and Pool receives an average of 800 mm of rain a year. This makes it drier than 56% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 54% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 59% 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 2 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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