3 and 5, Mainstone is a Grade II listed building in the Test Valley local planning authority area, England. First listed on 4 December 1972. Houses. 2 related planning applications.

3 and 5, Mainstone

WRENN ID
ancient-lead-bramble
Grade
II
Local Planning Authority
Test Valley
Constituency
Romsey and Southampton North MP: Caroline Nokes (Con)
Country
England
Date first listed
4 December 1972
Type
Houses
Address
3 and 5, Mainstone, Romsey, SO51 8HG
OS grid reference
SU 348 206
Coordinates
50.98438, -1.50434
Source
Historic England listing

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

Description

Nos 3 and 5 Mainstone are 18th-century, two-storey houses located at the south-west end of No 1 Mainstone. They are built at a lower level than No 1, so the eaves of Nos 3 and 5 are about the same height as the top of the ground floor windows in No 1. The houses are constructed of colourwashed brick and have an old tile roof, which may have been partly retiled. Each house features two 2-light casement windows, with the lower windows having segmental headings. There is a wooden boarded door for each house, also with a segmental heading. Additionally, there is one blocked opening on the upper floor of No 3. Nos 3 and 5, along with Middle Bridge Nos 1 to 7 (odd) and Nos 177 and 179 Middlebridge Street, form a group.

Local climate

3 and 5, Mainstone receives an average of 790 mm of rain a year. This makes it drier than 58% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 60% of listed buildings.

It experiences an average of 29 freeze-thaw cycles a year, fewer than 68% 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
  • Sale history — 2 transactions since 2003
  • 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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Nearby listed buildings

  1. 7, Mainstone Grade II 11 m
  2. 1, Mainstone Grade II 12 m
  3. Middle Bridge Grade I 35 m
  4. The Horse and Jockey Public House Grade II 62 m
  5. Willows Grade II 73 m
  6. Gates and Gate Piers by Lodge Before Drive to Broadlands Grade II 76 m
  7. Barn to North of Number 179 Grade II 77 m
  8. 82, Middlebridge Street Grade II 88 m
  9. 151 and 153, Middlebridge Street Grade II 127 m
  10. Railings and Gate to No 60 Grade II 180 m