10 St Johns Road, Watford, WD17 1PT
About 10 St Johns Road
10 St Johns Road is a mid-terrace house in Watford (WD17 1PT). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2023) shows a C (score 73). When first surveyed in November 2008 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good.
At 53 m² it's 19.1% larger than the typical home in the postcode (45 m² median across 22 EPCs). 3 planning records sit against the property, 0 approved, 0 refused.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
More low energy lighting installed
Heating controls changed
Window efficiency improved
Low energy lighting percentage decreased
More low energy lighting installed
External or internal wall insulation added
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Heating controls changed
Window efficiency improved
Planning history
10 St Johns Road has 2 separate extension applications on the council record.
- Dec 2011ExtensionFullIn report
Extension: Two storey · Rear of property
Erection of two storey rear extension to create 1 No 1 bedroom flat
- Documents
- 43 docs on file
- Reference
- 11/01096/FUL
- Aug 2011BasementFullIn report
Extension: Two storey · Rear of property
Erection of a two storey rear extension and basement lightwell.
Extension- Documents
- 25 docs on file
- Reference
- 11/00696/FUL
We flagged 2 things worth checking at 10 St Johns Road
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
30-day money-back guarantee
Sales history & valuation
10 St Johns Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£268,000
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 WD17 1PT: £580,000 (2025–2022).
Nearby sales in WD17 1PT
Versus other St Johns Road homes
On floor area, 10 St Johns Road stands well clear of the street.
EPC Rating
73 (C)
Street avg 65 (D)
Floor Area
53 m²
Street avg 42 m²
CO₂ Emissions
1.8 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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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








