Ground Floor Flat, 10 St Johns Road, Watford, WD17 1PT
About Ground Floor Flat
Ground Floor Flat is a mid-terrace house in Watford (WD17 1PT). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1900-1929. The latest certificate (July 2019) shows a C (score 75), near the top of the C band. When first surveyed in July 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Average and lighting went from Poor to Very Good.
It hasn't traded since November 2002, a hold of 24 years that's notably long for the area. Across 2001–2002, sale prices on this property compounded at 34.6% per year. Today's modelled estimate of £236,000 sits 115.1% above the 2002 sale of £109,694. On a £-per-square-foot basis, the last sale (£226/sq ft) was about 41.2% below the postcode norm.
Everything you need to know about Ground Floor Flat
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Ground Floor Flat's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 26 July 2029
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Heating controls changed
External or internal wall insulation added
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Ground Floor Flat 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
Ground Floor Flat's estimated value is more than triple its earliest registered sale price (2001).
£236,000
Modelled from EPC, postcode comparables and a sale-price growth of 34.6% per year over 1 year.
£109,694
Growth on file: 34.6% per year over 1 year.
Sales timeline
8 November 2002Most recent
£109,694
+42.5%over 1 year30 August 2001
£77,000
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
EPC Rating for Ground Floor Flat runs comfortably ahead of the street norm.
Price per m²
£2,438
Street avg £8,473
Floor Area
45 m²
Street avg 43 m²
Habitable Rooms
1 rooms
Street avg 2 rooms
CO₂ Emissions
1.4 t/year
Street avg 2.2 t/year
Everything you need to know about Ground Floor Flat
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

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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






