Number 4 Dry Dock is a Grade II listed building in the Medway local planning authority area, England. First listed on 13 August 1999. Dry dock.

Number 4 Dry Dock

WRENN ID
tall-corner-sorrel
Grade
II
Local Planning Authority
Medway
Constituency
Rochester and Strood MP: Lauren Edwards (Lab)
Country
England
Date first listed
13 August 1999
Type
Dry dock
Address
Number 4 Dry Dock, Main Gate Road
OS grid reference
TQ 758 693
Coordinates
51.39601, 0.52696
Source
Historic England listing

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

Description

No. 4 Dry Dock is a dry dock located in Chatham Dockyard, built around 1840 and enlarged in 1908. It is constructed from granite and concrete, featuring stepped sides with flights of steps and haulage slides. The side of the former entrance is curved to accommodate lock gates, which are now closed by a 20th-century steel caisson. This dry dock is part of a group of three 19th-century dry docks situated at the center of the historic dockyard. Its wider floor design makes it particularly suitable for servicing merchant ships.

Local climate

Number 4 Dry Dock sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 84% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 74% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 76% of listed buildings. Of these, 11 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
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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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  4. Number 2 Dry Dock Grade II* 118 m
  5. Joiners Shop Grade II* 142 m
  6. Number 1 Smithery Grade II* 142 m
  7. Number 1 Workbase Grade II* 150 m
  8. Numbers 4 5 and 6 Slip Covers and Machine Shop Number 6 Grade I 152 m
  9. Clock Tower Building Grade II* 154 m
  10. Former Mast House and Mould Loft Grade I 154 m