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 £233,000 sits 257.1% above the 1999 sale of £65,250. On a £-per-square-foot basis, the last sale (£126/sq ft) was about 65.8% below the postcode norm.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
- Utility roomYes
Outside
- Private gardenYes
- ParkingAllocated
Building
- Period featuresYes
Energy performance
EPC Rating
Certificate validity
Valid until 27 March 2033
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
12a has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12a's estimated value is more than triple its earliest registered sale price (1999).
£233,000
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: £285,000 (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 £8,563
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
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
266/mo
Falling 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
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
54.1dB

Night-time· 23:00 – 07:00
44.7dB







