16e, St Johns Road, Watford, WD17 1PT
About 16e
16e is a semi-detached house in Watford (WD17 1PT). It has a recorded floor area of 16 m² (around 172 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (June 2024) shows an E (score 49), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2011); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 69), a 2-band jump. Main heating runs on electricity.
Across 1998–2024, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £495,000 is 14.7% below the 2024 sale of £580,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£3,368/sq ft) was about 1078.5% above the typical sold price in the postcode. At 16 m² it sits well below the postcode median (47 m² across 22 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). 4 planning records sit against the property, 1 approved, 2 refused. Last sale on file: £580,000 in July 2024.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Windows upgraded, improving insulation
Cavity wall insulation installed
More low energy lighting installed
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Oct 2017AmendmentIn report
Lawful Development Certificate for residential use of outbuilding.
- Documents
- 4 docs on file
- Reference
- 17/01466/LDC
- Jan 2015SubdivisionFullIn report
Change of use of semi-detached house to two flats.
- Documents
- 5 docs on file
- Reference
- 15/00062/FUL
We flagged 2 things worth checking at 16e
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
16e has more than quadrupled in price since its earliest registered sale in 1998.
£495,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 26 years.
£580,000
Growth on file: 6.3% per year over 26 years.
Sales timeline
11 July 2024Most recent
£580,000
+1.8%over 2 years29 March 2022
£570,000
+128.0%over 11 years15 February 2011
£250,000
-16.7%over 4 years12 January 2007
£300,000
+160.9%over 8 years18 December 1998
£115,000
-1.7%23 June 1998
£117,000
Median price across the last 5 sales in WD17 1PT: £265,000 (2025–2021).
Nearby sales in WD17 1PT
8a, St Johns Road, Watford, WD17 1PT
Sold Feb 2025
£265,0008b, St Johns Road, Watford, WD17 1PT
Sold Dec 2022
£232,50014 St Johns Road, Watford, WD17 1PT
Sold Nov 2022
£810,00016a, St Johns Road, Watford, WD17 1PT
Sold Aug 2022
£885,000First Floor Flat, 10 St Johns Road, Watford, WD17 1PT
Sold Jun 2021
£222,000
Versus other St Johns Road homes
16e outperforms the street on price per m² by a wide margin.
Price per m²
£36,250
Street avg £5,478
Floor Area
16 m²
Street avg 44 m²
Habitable Rooms
1 rooms
Street avg 2 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.2 t/year
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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








