11 Blackwell Drive, Watford, WD19 4HP
About 11 Blackwell Drive
11 Blackwell Drive is a three-bedroom semi-detached house in Watford (WD19 4HP). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (June 2013) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump. The latest certificate is from June 2013, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Across 1998–2014, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £545,000 is 48.5% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£302/sq ft) was about 15.6% below the postcode norm. On the market in August 2014 and unlisted since — roughly 12 years.
What this property has
Inside
- Bedrooms3
- Dining roomYes
- CloakroomYes
- StudyYes
Outside
- Private gardenRear
- GarageYes
Building
- Previously extendedYes
Energy performance
11 Blackwell Drive's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Jun 2023
EPC Rating
Planning history
11 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 11 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
11 Blackwell Drive has more than tripled in price since its earliest registered sale in 1998.
£545,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 16 years.
£367,100
Growth on file: 7.5% per year over 16 years.
Sales timeline
5 August 2014Most recent
£367,100
+227.8%over 16 years6 February 1998
£112,000
Median price across the last 5 sales in WD19 4HP: £430,000 (2025–2016).
Nearby sales in WD19 4HP
Versus other Blackwell Drive homes
EPC Rating for 11 Blackwell Drive lags the street by a wide margin.
Price per m²
£3,249
Street avg £3,830
Floor Area
113 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
7.6 t/year
Street avg 4.7 t/year
Similar properties nearby
1 Brookside Road
WD19 4BW
1 Brookmill Close
WD19 4BB
1 Blackwell Drive
WD19 4HP
1 Cedar Road
WD19 4QP
1 Brookdene Avenue
WD19 4LG
1 Caroline Place, Capel Road
WD19 4AF
1 Elm Avenue
WD19 4BD
1 Carlton Court, Eastbury Road
WD19 4QA
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








