31 St Johns Road, Watford, WD17 1QB
About 31 St Johns Road
31 St Johns Road is a semi-detached house in Watford (WD17 1QB). It has a recorded floor area of 24 m² (around 258 sq ft), construction records dating it to 1900-1929 and council tax band B. At 24 m² this is the smallest unit on EPC record across the building (24–185 m²). The building's EPC ratings span E to B across 21 units on file. The latest certificate (June 2019) shows a C (score 75), near the top of the C band.
Across 2017–2021, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £207,000 is 23.6% below the 2021 sale of £271,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,049/sq ft) was about 315.6% above the typical sold price in the postcode. At 24 m² it sits well below the postcode median (125 m² across 20 EPCs), making it one of the more compact homes locally. 6 planning records sit against the property, 0 approved, 4 refused. Last sale on file: £271,000 in April 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 31 St Johns Road
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Energy performance
31 St Johns Road's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 25 June 2029
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Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
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Planning history
A recent planning application at 31 St Johns Road was refused — worth checking the council file.
6 applications on record at 31 St Johns Road, Watford, WD17 1QB
- Feb 2018ExtensionFullOutcome in report
Extension: Part single, part two storey · Side and rear of property
Erection of a part three storey, part second floor side extension and a single storey rear extension to extend the existing dwellings.
- Documents
- 18 docs on file
- Reference
- 17/01740/FUL
- More recent applications — locked
- ConditionsApr 2022Decision
- HMOFeb 2021Decision
+ 3 more applications in the report
Unlock 31 St Johns Road, Watford, WD17 1QB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (6 on record)
- All 6 applications on this property in full, plus 7 notable nearby
- The 93 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£207,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 4 years.
£271,000
Growth on file: 7.1% per year over 4 years.
Sales timeline
26 April 2021Most recent
£271,000
+29.0%over 3 years9 August 2017
£210,000
Median price across the last 5 sales in WD17 1QB: £435,000 (2023–2021).
Nearby sales in WD17 1QB
Versus other St Johns Road homes
31 St Johns Road outperforms the street on price per m² by a wide margin.
Price per m²
£11,292
Street avg £5,068
Floor Area
24 m²
Street avg 64 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.0 t/year
Street avg 2.9 t/year
Everything you need to know about 31 St Johns Road
The true value, the hidden risks and the full sale history, in one report.
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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
0.1 km
Beechen Grove North — bus stop.
Closest school
0.4 km
Watford St John's Church of England Primary School. 36 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
55.0dB

Night-time· 23:00 – 07:00
45.6dB






