Milestone Opposite No 51 is a Grade II listed building in the Dacorum local planning authority area, England. First listed on 19 March 1987. Milestone.
Milestone Opposite No 51
- WRENN ID
- small-latch-yew
- Grade
- II
- Local Planning Authority
- Dacorum
- Constituency
- Harpenden and Berkhamsted MP: Victoria Collins (LD)
- Country
- England
- Date first listed
- 19 March 1987
- Type
- Milestone
- Address
- Milestone Opposite No 51, London Road, Markyate
- OS grid reference
- TL 065 160
- Coordinates
- 51.83297, -0.45498
- Source
- Historic England listing
Description
Milestone opposite No. 51 is an 18th-century milestone for the Dunstable-St. Albans-London Turnpike Trust, established by an Act of Parliament in 1722. This milestone is located on the stretch of Watling Street that was retained by Thomas Telford when he improved The Holyhead Road for mail coaches in the early 19th century. It was cut off by the A5 bypass completed around 1957. The milestone is made of white freestone and has a rectangular section measuring about 12 inches by 15 inches, buried so that only the top 18 inches and the upper inscription are visible. The north and east faces have been cut back for repeated recutting of inscriptions. The current inscriptions are in 19th-century sans-serif capitals, with the narrower north face reading 'LONDON/28/MILES', while the broader east face starts with the figure '5' but is otherwise illegible.
Local climate
Milestone Opposite No 51 sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 78% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 77% of listed buildings.
It experiences an average of 36 freeze-thaw cycles a year, more than 64% of listed buildings. Of these, 17 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
- No related consent applications matched
- 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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