9 Colne Avenue, Watford, WD19 4JF
About 9 Colne Avenue
9 Colne Avenue is a semi-detached house in Watford (WD19 4JF). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (March 2023) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2011. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 87), a 2-band jump.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 20 March 2033
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
9 Colne Avenue 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
9 Colne Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£403,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in WD19 4JF: £430,000 (2026–2019).
Nearby sales in WD19 4JF
Versus other Colne Avenue homes
9 Colne Avenue is notably below the street on floor area.
EPC Rating
63 (D)
Street avg 67 (D)
Floor Area
72 m²
Street avg 81 m²
CO₂ Emissions
3.4 t/year
Street avg 3.2 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
179/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Long Croft — bus stop.
Closest school
0.6 km
Bromet Primary School. 34 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
51.0dB

Night-time· 23:00 – 07:00
41.8dB







