45 Blackwell Drive, Watford, WD19 4HP
About 45 Blackwell Drive
45 Blackwell Drive is a three-bedroom semi-detached house in Watford (WD19 4HP). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2016) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from February 2016, so improvements made since then won't be reflected.
Today's modelled estimate of £679,000 is 29.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£460/sq ft) was about 52.5% above the typical sold price in the postcode. Last changed hands 10 years ago, in July 2016. 2 planning records sit against the property, 0 approved, 1 refused.
What this property has
Inside
- Bedrooms3
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 02 Feb 2026
EPC Rating
Planning history
A recent planning application at 45 Blackwell Drive was refused — worth checking the council file.
- May 2022DemolitionFullIn report
Extension: Single storey · Rear of property
The demolition of the existing conservatory structure and the erection of a single storey rear extension with internal side alteration.Improvements to the thermal performance of the building, though the use of over clad external solid wall insulation to all elevations
Extension- Documents
- 6 docs on file
- Reference
- 22/00343/FULH
- Dec 2021ExtensionFullIn report
Extension: Single storey · Rear of property
Demolition of existing conservatory, erection of single storey rear extension with part sedum roof, and installation of external solid wall thermal insulation to all elevations (AMENDED DESCRIPTION)
- Documents
- 6 docs on file
- Reference
- 21/01609/FULH
We flagged 2 things worth checking at 45 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
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
Latest sale on 45 Blackwell Drive was the highest on Land Registry record across the postcode.
£679,000
Modelled from EPC, postcode comparables.
£525,000
Recorded with HM Land Registry.
Sales timeline
3 July 2016Most recent
£525,000
Median price across the last 5 sales in WD19 4HP: £420,000 (2025–2014).
Nearby sales in WD19 4HP
Versus other Blackwell Drive homes
45 Blackwell Drive outperforms the street on price per m² by a wide margin.
Price per m²
£4,953
Street avg £3,546
Floor Area
106 m²
Street avg 101 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.5 t/year
Street avg 4.9 t/year
Similar properties nearby
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1 Brookdene Avenue
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1 Blackwell Drive
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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








