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The Dower House, Grove Mill Lane, Watford, WD17 3TU

3 sales on record9 planning records
Property type
Detached
Bedrooms
6
Floor area
451 m²
4855 sq ft
Energy rating
E
Score 47
Council tax
Band H
Tenure
Owner Occupied
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Overview

About The Dower House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

The Dower House is a six-bedroom detached house in Watford (WD17 3TU). It has a recorded floor area of 451 m² (around 4855 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (March 2024) shows an E (score 47), well below the UK norm with real room to improve. When first surveyed in February 2009 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to D (score 67). Other recorded features include a self-contained annexe and attached land beyond the plot.

At 451 m² the property is well over the postcode median (54 m² across 10 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. 9 planning records sit against the property, 6 approved, 0 refused. Past consents include tree works and an annexe, meaningful when judging how the property has evolved. The record references listed-building consent and conservation-area consent, which constrain future alterations. Across 1998–2014, sale prices on this property compounded at 9.1% per year. On a £-per-square-foot basis, the last sale (£795/sq ft) was about 83.1% above the typical sold price in the postcode. 12 years since the last transfer (July 2014).

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms6
  • Dining roomYes
  • EnsuiteYes
  • StudyYes

Outside

  • Private gardenYes
  • Summer houseYes
  • LandYes
Before you decide

Everything you need to know about The Dower House

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearbyEnvironmental risk flagged

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

The Dower House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.

Current Certificate(1 of 4)
Mar 2024

EPC Rating

A
B
C
D
E
E47
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
22.4 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 31 March 2034

7 years remaining

Property Improvements

Changes detected from historical EPC data

May 2021from Feb 2009
EPC improved fromF38toD60
Heating System
Gas BoilerRoom Heaters

Heating system changed

Main Fuel
GasElectric

Changed to a more efficient fuel source

Heating Controls
FullProg + Stat

Heating controls changed

Hot Water
Main SystemInstantaneous

Hot water system changed

Windows
SingleFull Double

Single glazing replaced with double or better glazing

Wall Insulation
Uninsulated SolidPartial Insulation

Wall insulation upgraded

Floor Insulation
UninsulatedPartial

Floor insulation added or improved

Low Energy Lighting
2%100%

More low energy lighting installed

Mar 2024from May 2021
Wall Insulation
Partial InsulationInsulated Cavity

Wall insulation upgraded

Floor Insulation
PartialInsulated

Floor insulation added or improved

Mar 2024from Mar 2024
EPC improved fromD66toE47
Heating System
Room HeatersGas Boiler

Upgraded to gas central heating

Main Fuel
ElectricGas

Connected to mains gas supply

Heating Controls
Prog + StatFull Control

Heating controls upgraded for better temperature management

Hot Water
InstantaneousMain System

Hot water system upgraded

Roof
GoodVery Good

Roof insulation improved

Ventilation
NaturalMVHR

MVHR (mechanical ventilation with heat recovery) installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraDetached HouseEPC EPre-1919 buildDetached over 300m²Extended multiple times (2+ extensions)Solid (non-cavity) walls

Because the property was built before 1919, is a large detached home over 300m², and has been extended more than once, we believe a Level 3 building survey should be considered.

Planning

Planning history

Applications and permits filed against The Dower House, Grove Mill Lane, Watford, WD17 3TU, sourced from the PlanIt planning register.

The Dower House has multiple listed-building consents on file — alterations need formal heritage approval.

9 applications on record at The Dower House, Grove Mill Lane, Watford, WD17 3TU

9decisions1extensions167documents1nearby
Flagged:Listed buildingConservation area
  1. Nov 2007
    Tree WorksTrees
    Outcome in report

    Works to trees in Conservation Area

    Conservation Area
    Documents
    1 doc on file
    Reference
    07/01547/TCA
    Full record in report
  2. More recent applications — locked
  3. Tree WorksDecision
  4. AnnexDecision

+ 6 more applications in the report

Unlock The Dower House, Grove Mill Lane, Watford, WD17 3TU's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (9 on record)
  • All 9 applications on this property in full, plus 1 notable nearby
  • The 167 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Latest sale on The Dower House was the highest on Land Registry record across the postcode.

Current estimate

£3,529,000

Modelled from EPC, postcode comparables and a sale-price growth of 9.1% per year over 17 years.

See how we calculated this
Last sold (2014)

£3,860,000

Growth on file: 9.1% per year over 17 years.

Sales timeline

  1. 27 July 2014Most recent

    £3,860,000

    -3.5%over 4 years
  2. 9 August 2009

    £4,000,000

    +337.2%over 11 years
  3. 9 January 1998

    £915,000

Median price across the last 5 sales in WD17 3TU: £345,000 (2024–2020).

Before you decide

Everything you need to know about The Dower House

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearbyEnvironmental risk flagged

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Watford district page.

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

266/mo

Falling year-on-year across the wider district.

Nearest stop

0.4 km

Grove Mill Lane — bus stop.

Closest school

0.7 km

Holy Rood Catholic Primary School. 26 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around WD17 3TU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for WD17 3TU

Daytime· 07:00 – 23:00

48.5dB

Low
Night-time road noise heatmap for WD17 3TU

Night-time· 23:00 – 07:00

40.9dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about The Dower House, Grove Mill Lane, Watford, WD17 3TU. Each answer is also embedded as structured data for search engines.