121b, St James Road, Watford, WD18 0DY
About 121b
121b is an end-of-terrace house in Watford (WD18 0DY). It has a recorded floor area of 49 m² (around 527 sq ft). At 49 m² this is the smallest unit on EPC record across the building (49–144 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2019) shows a C (score 75), near the top of the C band.
At 49 m² it sits well below the postcode median (85 m² across 30 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs).
Know exactly what you're buying at 121b
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
121b's carbon output is low for the local stock.
EPC Rating
Planning history
121b has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 121b
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
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Sales history & valuation
121b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£240,000
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 0DY: £340,000 (2025–2023).
Nearby sales in WD18 0DY
Everything we know about 121b, 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
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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
0.3 km
The Hornets — 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
54.2dB
Night-time· 23:00 – 07:00
44.9dB