17b, Douglas Avenue, Watford, WD24 7LY
About 17b
17b is a detached house in Watford (WD24 7LY). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (April 2018) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2017); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 69). At 45 m² this is the 2nd smallest of 15 units on EPC record in the building, where floor areas span 39–120 m². The building's EPC ratings span E to C across 15 units on file.
At 45 m² it sits well below the postcode median (72 m² across 14 EPCs), making it one of the more compact homes locally.
Everything you need to know about 17b
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The data behind every report
Energy performance
EPC Rating
Certificate validity
Valid until 25 April 2028
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Cavity wall insulation installed
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Planning history
17b has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
17b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£221,000
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 WD24 7LY: £510,000 (2023–2017).
Nearby sales in WD24 7LY
Versus other Douglas Avenue homes
CO₂ Emissions for 17b lags the street by a wide margin.
EPC Rating
67 (D)
Street avg 71 (C)
Floor Area
45 m²
Street avg 48 m²
CO₂ Emissions
2.1 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 17b
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
123/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Widgeon Way — bus stop.
Closest school
0.7 km
Parkgate Infants' and Nursery School. 27 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
56.5dB
Night-time· 23:00 – 07:00
48.5dB