Dower House is a Grade II listed building in the Three Rivers local planning authority area, England. First listed on 26 August 1952. House. 4 related planning applications.

Dower House

WRENN ID
fossil-cinder-swift
Grade
II
Local Planning Authority
Three Rivers
Constituency
Watford MP: Matt Turmaine (Lab)
Country
England
Date first listed
26 August 1952
Type
House
Address
Dower House, Grove Mill Lane, Watford, WD17 3TU
OS grid reference
TQ 087 985
Coordinates
51.67527, -0.42865
Source
Historic England listing

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

Description

Dower House, formerly known as Grove Mill House, is a red brick house dating to the late 17th and early 18th centuries. It has plain tile hipped valley roofs. The west front, facing the river, was built in the early 18th century, and is two storeys high with five windows. It features moulded brick pilasters on each side, topped with a minimal entablature. There's a wooden moulded eaves cornice. The first floor has exposed box glazing bar sash windows set within gauged brick flat-headed surrounds. In the 19th century, two projecting bays were added to the ground floor, all under a lean-to slate roof. A central door provides access. A mid to later 18th-century corner block is attached at the south-west; it has two windows on each side, with the upper ones blocked on the west face, and is distinguished by gauged brick window heads and glazing bar sashes, as well as a brick dentil cornice. The north, or entrance, front features three renewed mullion and transom windows with glazing bars. A six-panel door is set beneath a pedimented hood supported by brackets. To the left, the end elevation of a separately roofed east range shows thin timber framing to the first floor, with a hipped gable above; the east face is rendered. A 19th-century range, with a hipped south gable and triple windows, is situated at the south-east angle.

Local climate

Dower House sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 86% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 85% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 61% 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 — 3 transactions since 1998
  • Related listed building consents — 4 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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  2. Heath Farm Court Grade II 224 m
  3. South Lodge Grade II 427 m
  4. The Grove Grade II* 583 m
  5. Sugden House, 2 Farm Field Grade II 648 m
  6. Toll Gate Lodge Grade II 686 m
  7. Russell's Grade II 733 m
  8. Mile Post on Towing Path Immediately South of Bridge Carrying A405 Over Canal Grade II 908 m
  9. Watford Tunnel, South Entrance to West Tunnel Grade II 1.2 km
  10. Cassiobury Court Grade II 1.3 km