17 Blackwell Drive, Watford, WD19 4HP
About 17 Blackwell Drive
17 Blackwell Drive is a four-bedroom end-of-terrace house in Watford (WD19 4HP). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (May 2021) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2011. Between certificates, window efficiency went from Poor to Average; while roof efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 80).
Untraded for 15 years, with the last transfer in March 2011. Today's modelled estimate of £448,000 sits 79.9% above the 2011 sale of £249,000. On a £-per-square-foot basis, the last sale (£231/sq ft) was about 28.4% below the postcode norm. 3 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms4
Outside
- Private gardenRear
- ParkingAllocated
Everything you need to know about 17 Blackwell Drive
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Windows upgraded, improving insulation
Planning history
17 Blackwell Drive has been extended on multiple sides of the property across separate planning applications.
- Jul 2024ExtensionOutlineIn report
Extension: Single storey · Rear of property
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.2m and for which the height of the eaves would be 2.8m
- Documents
- 6 docs on file
- Reference
- 24/00578/HPD
- Nov 2012ExtensionFullIn report
Extension: Part single, part two storey · Side and rear of property
Erection of part single and part double storey rear and two storey side extensions.
- Documents
- 15 docs on file
- Reference
- 12/00969/FULH
We flagged 1 thing worth checking at 17 Blackwell Drive
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
17 Blackwell Drive valuation sits well clear of the typical sold price in this postcode.
£448,000
Modelled from EPC, postcode comparables.
£249,000
Recorded with HM Land Registry.
Sales timeline
25 March 2011Most recent
£249,000
Median price across the last 5 sales in WD19 4HP: £430,000 (2025–2016).
Nearby sales in WD19 4HP
Versus other Blackwell Drive homes
17 Blackwell Drive is notably below the street on price per m².
Price per m²
£2,490
Street avg £3,956
Floor Area
100 m²
Street avg 101 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.1 t/year
Street avg 5.1 t/year
Everything you need to know about 17 Blackwell Drive
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Riverside Road — bus stop.
Closest school
0.5 km
Field Junior School. 34 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
52.1dB
Night-time· 23:00 – 07:00
42.6dB