21 Blackford Road, Watford, WD19 6YW
About 21 Blackford Road
21 Blackford Road is a one-bedroom semi-detached house in Watford (WD19 6YW). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2022) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 85).
On energy efficiency it sits in the top 10% of properties in this postcode. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 2007–2022, sale prices on this property compounded at 4.5% per year. On a £-per-square-foot basis, the last sale (£513/sq ft) was about 30.6% above the typical sold price in the postcode. Sold July 2022 for £530,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms1
Building
- Heating systemGas
Energy performance
21 Blackford Road ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Planning history
21 Blackford Road has 2 separate extension applications on the council record.
- Feb 2005ConservatoryFullIn report
Extension: Side of property
Erection of conservatory to side
Extension- Reference
- 05/0095/FUL
- Dec 2004
We flagged 1 thing worth checking at 21 Blackford Road
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
Latest sale on 21 Blackford Road was the highest on Land Registry record across the postcode.
£562,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 15 years.
£530,000
Growth on file: 4.5% per year over 15 years.
Sales timeline
3 July 2022Most recent
£530,000
+90.0%over 14 years5 November 2007
£279,000
Median price across the last 5 sales in WD19 6YW: £370,000 (2022–2003).
Nearby sales in WD19 6YW
Versus other Blackford Road homes
Price per m² for 21 Blackford Road runs comfortably ahead of the street norm.
Price per m²
£5,521
Street avg £3,092
Floor Area
96 m²
Street avg 79 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
3.5 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
4/mo
Steady 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
The full 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








