21 Blackwell Drive, Watford, WD19 4HP
About 21 Blackwell Drive
21 Blackwell Drive is a three-bedroom end-of-terrace house in Watford (WD19 4HP). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (February 2018) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. Other recorded features include a conservatory.
At 86 m² it's 20.4% smaller than the typical home in the postcode (108 m² median across 9 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Today's modelled estimate of £530,000 is 23.3% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 53.9% above the typical sold price in the postcode. Last sale on file: £430,000 in November 2018.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- CloakroomYes
- ConservatoryYes
Outside
- DrivewayYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
21 Blackwell Drive has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 21 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
30-day money-back guarantee
Sales history & valuation
21 Blackwell Drive valuation sits well clear of the typical sold price in this postcode.
£530,000
Modelled from EPC, postcode comparables.
£430,000
Recorded with HM Land Registry.
Sales timeline
16 November 2018Most recent
£430,000
Median price across the last 5 sales in WD19 4HP: £420,000 (2025–2014).
Nearby sales in WD19 4HP
Versus other Blackwell Drive homes
Price per m² for 21 Blackwell Drive runs comfortably ahead of the street norm.
Price per m²
£5,000
Street avg £3,538
Floor Area
86 m²
Street avg 103 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.8 t/year
Street avg 4.9 t/year
Similar properties nearby
1 Brookside Road
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1 Blackwell Drive
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1 Cedar Road
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1 Brookdene Avenue
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1 Caroline Place, Capel Road
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1 Elm Avenue
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1 Carlton Court, Eastbury Road
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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








