11 Blackford Road, Watford, WD19 6YW
About 11 Blackford Road
11 Blackford Road is a three-bedroom semi-detached house in Watford (WD19 6YW). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (May 2020) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average and lighting went from Very Poor to Average. The recommended improvements would push it to C (score 77). Our model identifies extension potential, subject to local planning policy.
Across 2016–2020, sale prices on this property compounded at 1.5% per year. Today's modelled estimate of £448,000 is 13.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£483/sq ft) was about 46.4% above the typical sold price in the postcode. Sold September 2020 for £395,000.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenFront and rear
Building
- Heating systemGas
- Extension potentialPossible
Energy performance
EPC Rating
Certificate validity
Valid until 21 May 2030
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Heating controls upgraded for better temperature management
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Planning history
11 Blackford Road has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£448,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.5% per year over 4 years.
£395,000
Growth on file: 1.5% per year over 4 years.
Sales timeline
29 September 2020Most recent
£395,000
+6.8%over 4 years13 April 2016
£370,000
Median price across the last 5 sales in WD19 6YW: £365,000 (2022–2003).
Nearby sales in WD19 6YW
Versus other Blackford Road homes
11 Blackford Road is notably below the street on floor area.
Price per m²
£5,197
Street avg £3,157
Floor Area
76 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.0 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
179/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Heysham Drive — bus stop.
Closest school
0.3 km
Greenfields Primary School. 21 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
46.3dB

Night-time· 23:00 – 07:00
38.2dB







