11b, King Street, Watford, WD18 0BW
About 11b
11b is a semi-detached house in Watford (WD18 0BW). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1900-1929. The latest certificate (June 2022) shows a C (score 75), near the top of the C band. When first surveyed in September 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Very Good and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. At 45 m² this is the 2nd smallest of 6 units on EPC record in the building, where floor areas span 42–64 m².
Know exactly what you're buying at 11b
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
11b's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
11b has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 11b
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
11b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£227,000
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 0BW: £203,000 (2024–2003).
Everything we know about 11b, 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 King Street homes
EPC Rating
75 (C)
Street avg 75 (C)
Floor Area
45 m²
Street avg 53 m²
CO₂ Emissions
1.5 t/year
Street avg 1.7 t/year
Habitable Rooms
3 rooms
Street avg 3 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
0.0 km
King Street — bus stop.
Closest school
0.2 km
Watford Grammar School for Girls. 35 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
57.3dB
Night-time· 23:00 – 07:00
48.6dB