Merton Manor Farm is a Grade II listed building in the South Cambridgeshire local planning authority area, England. First listed on 22 November 1967. Farmhouse. 2 related planning applications.

Merton Manor Farm

WRENN ID
muted-brass-heath
Grade
II
Local Planning Authority
South Cambridgeshire
Constituency
South Cambridgeshire MP: Pippa Heylings (LD)
Country
England
Date first listed
22 November 1967
Type
Farmhouse
Address
Merton Manor Farm, 23, Station Road, Gamlingay, SG19 3HA
OS grid reference
TL 242 521
Coordinates
52.15361, -0.18555
Source
Historic England listing

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

Description

Merton Manor Farm is a farmhouse dating to the early to mid-16th century, with later 16th-century additions to the east wing and 19th-century extensions. The house is timber-framed, with the frame exposed at the front and rendered on the sides and rear, and has a plain tiled roof. A brick ridge stack, originally 18th century, has been cut down above the ridge. Each crosswing features a projecting brick stack, rendered and with rebuilt upper courses. The original layout comprised a hall range and west crosswing, with an east crosswing added in the late 16th century, creating a double-ended hall house. The hall range has three bays and two storeys, featuring three modern windows with nine panes on the first floor, and a doorway to the cross-passage. There are some inserted timbers in the front wall, and the main posts at each end of the hall mark the original gable ends. The west crosswing juts out to the north and south, with exposed jetty joists at the south end supported by shaped brackets. The fenestration to both ground and first floors is modern, though a ground-floor ovolo mullion window is visible in the north wall. The east crosswing, built in the late 16th century, also juts out at the south end with similar joists and brackets to the west crosswing, and was extended in the 19th century to the east and northeast.

Inside, the original hearths in the hall have been removed from the ground floor, though the stack remains visible in the roof. The west crosswing hearth has been remodelled, and there is some inserted framing. The east crosswing has deep, chamfered main beams and flat-laid joists. On the first floor in this wing, a raised tie beam with arch bracing, moulded to two collars, and long, shallow wall bracing is present. The roof is of clasped side purlin construction, with some rebuilding over the hall. The west crosswing has wind bracing to the roof. A cellar is located under the east crosswing. The house originally stood on a moated site. Historically, it served as the bailiff’s house of the manor of Merton, but was leased from 1362. It was leased to Thomas Byrd in 1491 and to Richard Clarke of Potton in 1522, who may have been responsible for much of the current structure.

Local climate

Merton Manor Farm 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 98% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 89% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 55% 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 0.4°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 2016
  • 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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