The Mansion is a Grade II listed building in the Dacorum local planning authority area, England. First listed on 24 February 1992. House. 3 related planning applications.

The Mansion

WRENN ID
bitter-flue-bone
Grade
II
Local Planning Authority
Dacorum
Constituency
Harpenden and Berkhamsted MP: Victoria Collins (LD)
Country
England
Date first listed
24 February 1992
Type
House
Address
The Mansion, Berkhamsted Hill, HP4 2GS
OS grid reference
TL 003 087
Coordinates
51.76825, -0.54678
Source
Historic England listing

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

Description

The Mansion is a large house built between 1906 and 1908 by George Hubbard, for Sir John Evans, an archaeologist. It was constructed by H and J Matthews, Berkhamsted builders. The house is built of English bond purple brick with red brick dressings, topped with a hipped tile roof featuring a large wooden modillion eaves cornice. It has brick axial stacks with moulded brick cornices.

The plan consists of a double-depth central block with a central entrance and stair hall, and long flanking wings designed to appear as separate building phases. The architectural style is Queen Anne.

The 2-storey and attic main block is arranged as 1:4:2 bays, with the central four bays projecting forward. A large pediment sits above the centre, and the two central bays project further with rusticated brick pilasters, a string course and a central doorway featuring Tuscan columns and consoles supporting an open segmental pediment over a shell. The flanking wings, two bays to the right projecting and four bays to the left set back, have giant brick pilasters, panelled on the ground floor and a moulded string course. A further two-bay wing is set back on the left, with a pedimental, three-window gable end.

The rear (south) garden front features a three-bay centre block with two-storey canted bays, a central doorway, a pedimented attic flanked by segmental pedimented dormers, a four-bay wing recessed on the right and a three-bay wing set back on the left, incorporating a sundial dated 1649.

Most of the original 12-pane sashes remain, set in exposed casings, along with flat-roofed dormers with sashes.

Inside, a heavy moulded string staircase features twisted balusters. A room at the west end, the dining room, retains reused panelling, a carved Jacobean overmantel, a stone fireplace, and a late 16th to early 17th century style moulded plaster ceiling. A room to the west of the front entrance has panelling, a carved overmantel (possibly reused) and a moulded plaster ceiling. The library on the first floor at the east end has a fine kite pattern moulded plaster ceiling and a reused Jacobean carved overmantel and stone fireplace.

The house was originally known as Britwell.

Local climate

The Mansion 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 15 transactions since 2000
  • 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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Nearby listed buildings

  1. Gate Piers and Flanking Walls Immediately East North East of the Mansion Grade II 37 m
  2. Gorseside Grade II 108 m
  3. Pheasantries Cottage and Attached Farm Buildings Grade II 335 m
  4. Inns of Court Officers Training Corps Memorial, Berkhamsted Common Grade II 553 m
  5. The Cottage, Amersfort on North Side of Forecourt Grade II 629 m
  6. Amersfort, with Forecourt Walls, and Linked Terraces and Loggia on South East Grade II* 671 m
  7. Stable Block at Amersfort to North of House Grade II 689 m
  8. The Cottage and former Soup Kitchen, Berkhamsted Castle Grade II 1.0 km
  9. Church of Saint Michael and All Angels Grade II 1.0 km
  10. War memorial at St Michael and All Angels Church, Berkhamsted Grade II 1.1 km