16, Ayot Green is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 6 November 1979. Cottage. 3 related planning applications.

16, Ayot Green

WRENN ID
broken-loft-heath
Grade
II
Local Planning Authority
Welwyn Hatfield
Constituency
Welwyn Hatfield MP: Andrew Lewin (Lab)
Country
England
Date first listed
6 November 1979
Type
Cottage
Address
16, Ayot Green, Ayot St. Peter, AL6 9AB
OS grid reference
TL 221 140
Coordinates
51.8119, -0.22899
Source
Historic England listing

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

Description

This is an early to mid-18th century cottage, with alterations dating to the early 19th century and the 20th century. The cottage has a timber frame, with front and rear walls of timber. The right return has an 18th-century brick gable wall, and the left return has a brick gable wall dating to the early 19th century. The front facade is covered in roughcast. The roof is low-pitched and slate, and was raised in the early 19th century. The building has an "L" shape, with an inglenook fireplace at the right gable end and a winder staircase located behind the front range to the left of the centre. The cottage is two stories high, with two windows wide, and an entrance between them, to the right of centre. The windows are square-headed, three-light casements with leaded panes. The entrance is camber-headed, with an early 19th-century door and a slightly projecting early 19th-century porch featuring octagonal timber columns and a cambered roof. The building is included on the list solely for its contribution to the group value of the area.

Local climate

16, Ayot Green 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 85% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 81% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 58% of listed buildings. Of these, 15 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 1 transaction since 2005
  • Related listed building consents — 3 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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