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Old Mill House, Upper Flat, Grove Mill Lane, Watford, WD17 3TU

2 planning records
Property type
Detached
Floor 02
Habitable rooms
3
From EPC
Floor area
117 m²
1259 sq ft
Energy rating
D
Score 67
Tenure
Private Rental
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Overview

About Old Mill House

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

Old Mill House is a detached house in Watford (WD17 3TU). It has a recorded floor area of 117 m² (around 1259 sq ft) and construction records dating it to before 1900. The latest certificate (October 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2010. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 80).

At 117 m² the property is well over the postcode median (54 m² across 10 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 0 approved, 0 refused.

Before you decide

Everything you need to know about Old Mill House

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

Larger development activity nearbyEnvironmental risk flagged

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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.
Current Certificate(1 of 2)
Oct 2021

EPC Rating

A
B
C
D
D67
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
4.5 t/year
Occupancy
Rented

Certificate validity

Valid until 18 October 2031

5 years remaining

Property Improvements

Changes detected from historical EPC data

Oct 2021from Nov 2010
Low Energy Lighting
0%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-era2nd Floor MaisonetteEPC DPre-1919 buildSolid (non-cavity) walls

Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,085 · Includes VAT

Planning

Planning history

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

Planning history at Old Mill House is exclusively tree-management applications — typical for a property with mature trees on or near the plot.

2 applications on record at Old Mill House, Upper Flat, Grove Mill Lane, Watford, WD17 3TU

2decisions1nearby
  1. Aug 2007
    Tree WorksTrees
    Outcome in report

    Fell and remove Weeping Willow

    Reference
    07/1455/TPO
    Full record in report
  2. More recent applications — locked
  3. Tree WorksDecision

Unlock Old Mill House, Upper Flat, 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 (2 on record)
  • All 2 applications on this property in full, plus 1 notable nearby
  • What the pattern means for extending or converting here
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Price

Sales history & valuation

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

Old Mill House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£528,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

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

On the street

Versus other Grove Mill Lane homes

Four headline reads against 9 similar flats on this street, drawn from the latest EPC and Land Registry data.

On floor area, Old Mill House stands well clear of the street.

EPC Rating

67 (D)

Street avg 65 (D)

On par

Floor Area

117 m²

Street avg 71 m²

Strongly above

CO₂ Emissions

4.5 t/year

Street avg 3.8 t/year

Strongly below

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

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Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£674k

Old Mill House, Lower Flat, Grove Mill Lane

WD17 3TU

Flat
£544k

1 Grove Wharf, Hempstead Road

WD17 3NL

£600k

10 Berceau Walk

WD17 3BL

3 bed
£390k

1 The Grove Mill, Grove Mill Lane

WD17 3TU

2 bed1 bath
£720k

10 Beechpark Way

WD17 3TY

4 bed
£802k

1 Orchard Close

WD17 3DU

3 bed1 bath
£826k

1 Berceau Walk

WD17 3BL

3 bed1 bath
£832k

10 Bellmount Wood Avenue

WD17 3BW

3 bed1 bath
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.
Full Watford report

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 Old Mill House, Upper Flat, Grove Mill Lane, Watford, WD17 3TU. Each answer is also embedded as structured data for search engines.