Tolmers Park Hospital is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 22 August 1972. Hospital.

Tolmers Park Hospital

WRENN ID
low-jamb-tide
Grade
II
Local Planning Authority
Welwyn Hatfield
Constituency
Hertsmere MP: Sir Oliver Dowden (Con)
Country
England
Date first listed
22 August 1972
Type
Hospital
Address
Tolmers Park Hospital, Newgate Street, SG13 8RG
OS grid reference
TL 301 047
Coordinates
51.72642, -0.11711
Source
Historic England listing

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

Description

Tolmers Park Hospital is a country house that was converted into a hospital in the 20th century and is now disused. Built in the 1830s, it features Greek and Italianate architectural styles. The exterior is finished in painted stucco with a slate roof and consists of two storeys. The main house, located at the right end of a long range that curves with the drive, has three windows and a tetrastyle Greek Ionic porte cochere. It includes round-headed double doors with a Vitruvian surround and arched ground floor windows that have bracketed cornices. The ends of the house are adorned with plain giant pilasters, and there is a sill and cornice band. The parapet has four acroteria, with the central ones raised on a balustrade. The house features sash windows, and the service wing has similar architrave surrounds to its windows, along with a pediment on the terminal pavilion. Inside, the house has a square entrance hall with a saucer-dome vault. The wing extends into a curved stock brick wall that leads to the east-facing stable block, which has five windows, segmental relieving arches over the outer and central projections, ground floor therm sash windows in the intermediate bays, corbelled eaves, and a slate roof.

Local climate

Tolmers Park Hospital 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 94% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 58% of listed buildings. Of these, 15 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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  • Sale history — 6 transactions since 1998
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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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