History in Structure

Port Hill House

A Grade II Listed Building in Hertford, Hertfordshire

We don't have any photos of this building yet. Why don't you be the first to send us one?

Upload Photo »

Approximate Location Map
Large Map »


Latitude: 51.803 / 51°48'10"N

Longitude: -0.0848 / 0°5'5"W

OS Eastings: 532153

OS Northings: 213326

OS Grid: TL321133

Mapcode National: GBR KBJ.WZH

Mapcode Global: VHGPG.HY17

Plus Code: 9C3XRW38+53

Entry Name: Port Hill House

Listing Date: 12 April 1973

Last Amended: 9 September 1996

Grade: II

Source: Historic England

Source ID: 1268980

English Heritage Legacy ID: 461272

ID on this website: 101268980

Location: Bengeo, East Hertfordshire, SG14

County: Hertfordshire

District: East Hertfordshire

Civil Parish: Hertford

Built-Up Area: Hertford

Traditional County: Hertfordshire

Lieutenancy Area (Ceremonial County): Hertfordshire

Church of England Parish: Bengeo Holy Trinity and St Leonard with Christ Church

Church of England Diocese: St.Albans

Tagged with: House

Find accommodation in



817-1/15/274 (North side)
12/04/73 Port Hill House
(Formerly Listed as:
Porthill House)


House, formerly farmhouse. C17, altered C19 and C20.
Colourwashed brick north range, stuccoed south range. Old
tiled double gabled roofs. Double-depth plan, with entrance
now central against extended house. 5 bays, originally 3.
EXTERIOR: 2 storeys and attics. North elevation of first floor
has three 4-light wood casement windows with divided glazing,
alternating with 2-light, that right of centre extended
downwards to form landing window; plat band at first-floor
level. Ground floor with two 2-light and two 4-light wood
casement windows, with broad 4-light casement windows in outer
bays left and right, beneath segmental brick arches. Central
Regency style porch with cambered segmental arch and a concave
metal canopy roof; early C20 half-glazed door and sidelights
beneath broad segmental traceried fanlight. Single storey
lean-to at left.
South elevation remodelled early C20, 5 bays with 2-light and
4-light metal casement windows with leaded glazing. Recessed
loggia in centre on ground floor.
Attics with 3 gabled casement dormers on north and south
elevations. Red brick chimneys, those on east above
substantial external chimneybreasts, with long cream tapered
terracotta pots with projecting rims.
INTERIOR: not inspected.
HISTORICAL NOTE: Port Hill House was the home of Thomas
Dimsdale, the pioneer of Smallpox inoculation, and the
building was known as 'The Inoculation House'. In 1763 The Old
Pest House (qv) was built to the south on a plot adjoining
Dimsdale's garden.
(Hertfordshire Countryside: Roberts E: Thomas Dimsdale and the
Victory over Smallpox: -1980: 20-1).

Listing NGR: TL3215313326

External Links

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

Recommended Books

Other nearby listed buildings

BritishListedBuildings.co.uk is an independent online resource and is not associated with any government department. All government data published here is used under licence. Please do not contact BritishListedBuildings.co.uk for any queries related to any individual listed building, planning permission related to listed buildings or the listing process itself.

British Listed Buildings is a Good Stuff website.