Ministry of Defence Building L165 at Tl 3777 0108 is a Grade II listed building in the Epping Forest local planning authority area, England. First listed on 26 November 1993. Defense structure.

Ministry of Defence Building L165 at Tl 3777 0108

WRENN ID
over-flint-wagtail
Grade
II
Local Planning Authority
Epping Forest
Constituency
Epping Forest MP: Dr Neil Hudson (Con)
Country
England
Date first listed
26 November 1993
Type
Defense structure
Address
Ministry of Defence Building L165 at Tl 3777 0108, Waltham Abbey
OS grid reference
TL 377 010
Coordinates
51.69163, -0.00902
Source
Historic England listing

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

Description

The Ministry of Defence Building L165, located at the Royal Gunpowder Factory, is a mineral jelly store built between 1914 and 1917. It is constructed of brick and features a slate roof with a rectangular plan and a single storey. The west elevation has two double doors, while the east elevation contains two cast-iron framed windows. Inside, there are tie-beam trusses and four iron lockers with iron doors, which were originally served from the northern room and are built into the northern wall. This building is associated with the incorporation of cordite, which was developed by the Government's Explosives Committee. A patent for cordite was taken out in 1889, with initial experimental manufacture occurring at Waltham Abbey. The effective use of cordite relied on acetone as a solvent and mineral jelly as a stabiliser.

Local climate

Ministry of Defence Building L165 at Tl 3777 0108 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 97% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 63% of listed buildings. Of these, 14 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.

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  1. Ministry of Defence Number L168 (Engine House and Mechanics' Shop) Grade II* 35 m
  2. Ministry of Defence Building Numbers L176 (Boiler House) and L177 Grade II* 62 m
  3. Ministry of Defence Building L170a at Tl 3778 0109 Grade II 68 m
  4. Ministry of Defence Building L167 at Tl 3777 0112 Grade II 68 m
  5. Ministry of Defence Building L157 (Group C Incorporating Mills) Grade I 87 m
  6. Ministry of Defence Building L154 (Expense Magazine) Grade II 116 m
  7. Ministry of Defence Building Number A200 (Walton House) Grade II 126 m
  8. Ministry of Defence Buildings A201 and A202 at Tl 3768800948 Grade II* 138 m
  9. Ministry of Defence Building L153 (Group D Incororating Mills) Grade II* 148 m
  10. Ministry of Defence Building H7 at Tl 3756 0011 Grade II 151 m