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Millbrook House

A Grade II Listed Building in The Vale of Grwyney (Cwm Grwyne), Powys

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Latitude: 51.8478 / 51°50'52"N

Longitude: -3.1052 / 3°6'18"W

OS Eastings: 323967

OS Northings: 217159

OS Grid: SO239171

Mapcode National: GBR F2.TLF4

Mapcode Global: VH78Z.4T8B

Entry Name: Millbrook House

Listing Date: 19 November 1998

Last Amended: 19 November 1998

Grade: II

Source: Cadw

Source ID: 20874

Building Class: Domestic

Location: Approximately 1km S of Llangenny church on S side of a minor road W of minor road between Llangenny and Glangrwyne. The house faces away from the road.

County: Powys

Community: The Vale of Grwyney (Cwm Grwyne)

Community: The Vale of Grwyney

Locality: Millbrook

Traditional County: Brecknockshire

Find accommodation in


Mid-late C18 and said to have been part of the Cwrt y Gollen Estate.


Georgian-style 5-bay house of 2 storeys with attic. Rubble stone walls and roughcast front with raddle (and some repairs painted pink). Slate roof with external stack to L and end stack to R, both replaced in brick. The windows have traces of former architraves and are 12-pane hornless sashes. The centrally-placed doorway has a moulded surround and a 6-panel door with an overlight with Gothick glazing. To L gable end is single-storey former stable of rubble stone painted cream, and slate roof, with boarded door to centre in former full-height opening (now blocked above door). To L of door is a 12-pane sash window, to R a window inserted C20. The R gable end of the house is pebble-dashed and has an inserted horned sash window upper R. The rear wall has a small battered buttress at L end. Centrally-placed are C19 2-light casements lighting the stairs.


Central stair hall has full-height open-well stair with turned balusters and newel, and a moulded hand rail. Plainer stairs to service rooms in attic. Two main rooms on the ground floor. Windows have panelled shutters, panelled doors have moulded surrounds.

Reasons for Listing

A good example of a Georgian house retaining early character and detail.

Other nearby listed buildings

  • II Millbrook Bridge
    Approximately 0.9km S of Llangenny church and crossing the Grwyne river on a minor road on W side of minor road from Llangenny to Glangrwyne.
  • II Hall Farm (also known as Neuadd, Llangenny)
    Approximately 0.8km NNE of the centre of Glangrwyne, on S side of a minor road to Cwm Gwenffrwd.
  • II Drying House of former Golden Grove Paper Mill
    SE of house on R bank of Grwyne river approximately 400m S of Llangenny church.
  • II Penmoel Cottage
    Approximately 0.5km SSW of Llangenny church on N side of a minor road between Llangenny and Crickhowell.
  • II Golden Grove
    350m S of Llangenny church on W side of Grwyne Fawr and reached by private road and footpath leading S from Llangenny Bridge.
  • II House and Barn at Pen-yr-wyrlod
    Approximately 0.6km SE of Llangenny church on W side of a minor road between Penygilfach and Glangrwyne. Built into bank of road and with new house adjacent.
  • II Druid's Altar
    Prominently sited on high ground overlooking Grwyne river to E, and approximately 350m SSW of Llangenny church on S side of a minor road between Llangenny and Crickhowell.
  • II South Stable and Service Block at Glangrwyne Court
    On NW side of house with a courtyard on N side.

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