14,16,18 and 18a, Castle Street is a Grade II listed building in the East Hertfordshire local planning authority area, England. First listed on 29 August 1972. House. 2 related planning applications.

14,16,18 and 18a, Castle Street

WRENN ID
nether-postern-plum
Grade
II
Local Planning Authority
East Hertfordshire
Constituency
Hertford and Stortford MP: Josh Dean (Lab)
Country
England
Date first listed
29 August 1972
Type
House
Address
14,16,18 and 18a, Castle Street, Hertford
OS grid reference
TL 326 124
Coordinates
51.79519, -0.07855
Source
Historic England listing

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

Description

14, 16, 18 and 18A Castle Street is a house that now includes a shop and offices at the left (No. 18). It dates from the 16th and 17th centuries but has been much altered and substantially rebuilt between 1979 and 1980, with Nos. 14, 16, and 18A now known as 1, 2, and 3 Millers Court. The building is timber-framed and plastered, with a ground floor featuring black-stained weatherboarding and tiled roofs. The gable faces the street on the left, forming a cross wing, and there are rebuilt red brick chimneystacks.

The exterior is two storeys with an attic for Nos. 14 and 16. The first floor has four flush-set two-light wood casements with divided glazing and architrave surrounds. The ground floor on the left has a 20th-century timber arcaded shopfront with a recessed entry, a fascia flanked by consoles, and three four-light wood casement windows with divided glazing set low near the pavement. There are projecting gables and lean-tos at the rear, and the roofs feature a modern gabled casement dormer on the right.

The interior has not been inspected but was substantially rebuilt between 1974 and 1980. This building forms part of a group with No. 20 and No. 24.

Local climate

14,16,18 and 18a, Castle Street sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 88% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 84% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 55% 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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  • 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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  6. 19 and 21, Parliament Square Grade II 28 m
  7. 24, Castle Street Grade II 31 m
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  10. 1, Queens Road Grade II 50 m