12a, St Johns Road, Watford, WD17 1PT
About 12a
12a is a one-bedroom end-of-terrace house in Watford (WD17 1PT). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (March 2023) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). Period features are noted in the property record.
It hasn't traded since September 1999, a hold of 27 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £254,000 sits 289.3% above the 1999 sale of £65,250. On a £-per-square-foot basis, the last sale (£126/sq ft) was about 60% below the postcode norm.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
- Utility roomYes
Outside
- Private gardenYes
- ParkingAllocated
Building
- Period featuresYes
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Planning history
12a has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 2 things worth checking at 12a
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
- Larger development activity nearby
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Sales history & valuation
12a's estimated value is more than triple its earliest registered sale price (1999).
£254,000
Modelled from EPC, postcode comparables.
£65,250
Recorded with HM Land Registry.
Sales timeline
22 September 1999Most recent
£65,250
Median price across the last 5 sales in WD17 1PT: £580,000 (2025–2022).
Nearby sales in WD17 1PT
Versus other St Johns Road homes
12a is notably below the street on price per m².
Price per m²
£1,359
Street avg £8,386
Floor Area
48 m²
Street avg 43 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.1 t/year
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
St John's Road — bus stop.
Closest school
0.4 km
Watford St John's Church of England Primary School. 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
54.1dB
Night-time· 23:00 – 07:00
44.7dB