Helnoweth is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 7 February 1974. House.

Helnoweth

WRENN ID
solitary-pilaster-plover
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Date first listed
7 February 1974
Type
House
Address
Helnoweth, Gulval, Penzance
OS grid reference
SW 478 319
Coordinates
50.13398, -5.52945
Source
Historic England listing

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

Description

Helnoweth is an 18th or 19th century house constructed from coursed granite, featuring a slurried slate roof with gable ends. The building is two storeys high and has three wide spaced sash windows, which do not have glazing bars. An early 20th century glazed porch encloses the central doorway.

Local climate

Helnoweth sits in a wetter-than-average part of the UK, with an average of 970 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 1 freeze-thaw cycle a year, fewer than 99% of listed buildings. Average temperatures at this location have risen by 0.2°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

Sign in or create a free account to unlock:

  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • 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
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

See all similar buildings →

this building   1 similar   nearby listed buildings

Nearby listed buildings

  1. Trenow Cottage Grade II 159 m
  2. Gate Piers and Screen Walls at Former South Entrance to Kenegie House Grade II 261 m
  3. Gate Piers, Flanking Walls and Stile South of Rosemorran House Grade II 262 m
  4. Gulval Methodist Church and Attached Forecourt Walls, Gates and Railings Grade II 319 m
  5. Little Rosemorran Grade II 358 m
  6. Gate Piers, Screen Walls and Obelisk at Main Entrance to Kenegie House Grade II 479 m
  7. K6 Telephone Kiosk, Churchtown Grade II 550 m
  8. The Summer House Grade II 557 m
  9. North West Lych Gate Grade II 576 m
  10. Gate Piers Immediately West of Rosemorran House Grade II 612 m