21a, Granville Road, Watford, WD18 0AH
About 21a
21a is an end-of-terrace house in Watford (WD18 0AH). It has a recorded floor area of 21 m² (around 226 sq ft) and construction records dating it to before 1900. At 21 m² this is the 6th smallest of 35 units on EPC record in the building, where floor areas span 15–336 m². The building's EPC ratings span E to C across 35 units on file. The latest certificate (March 2015) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). The latest certificate is from March 2015, so improvements made since then won't be reflected.
At 21 m² it sits well below the postcode median (91 m² across 34 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 21a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
21a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Mar 2025
EPC Rating
Planning history
21a has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 21a
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.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
21a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£239,000
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 WD18 0AH: £605,000 (2022–2018).
Nearby sales in WD18 0AH
Everything we know about 21a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
Versus other Granville Road homes
EPC Rating for 21a lags the street by a wide margin.
EPC Rating
60 (D)
Street avg 74 (C)
Floor Area
21 m²
Street avg 26 m²
CO₂ Emissions
1.8 t/year
Street avg 1.1 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
King Street — bus stop.
Closest school
0.2 km
Watford Grammar School for Girls. 37 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
56.9dB
Night-time· 23:00 – 07:00
48.3dB