37 St Johns Road, Watford, WD17 1QB
About 37 St Johns Road
37 St Johns Road is a four-bedroom detached house in Watford (WD17 1QB). It has a recorded floor area of 185 m² (around 1991 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (April 2022) shows a D (score 57), a step below the typical UK home. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and hot-water efficiency went from Very Poor to Good; while roof efficiency dropped from Very Good to Average and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
At 185 m² the property is well over the postcode median (104 m² across 20 EPCs), placing it in the larger end of the local stock. 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. On a £-per-square-foot basis, the last sale (£377/sq ft) was about 44.5% above the typical sold price in the postcode. Sold April 2023 for £750,000. One historical planning record sits against the property in 2023.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Energy performance
37 St Johns Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Windows upgraded, improving insulation
Planning history
Council records include a part-single-part-two-storey rear extension at 37 St Johns Road.
- Jul 2023ExtensionFullIn report
Extension: Part single, part two storey · Rear of property
Proposed part single part two storey rear extensions, alterations to the ground floor rear pitched roof to form a flat roof and alterations to fenestration.
- Documents
- 15 docs on file
- Reference
- 23/00495/FULH
We flagged 2 things worth checking at 37 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
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Sales history & valuation
Latest sale on 37 St Johns Road was the highest on Land Registry record across the postcode.
£804,000
Modelled from EPC, postcode comparables.
£750,000
Recorded with HM Land Registry.
Sales timeline
3 April 2023Most recent
£750,000
Median price across the last 5 sales in WD17 1QB: £398,000 (2022–2021).
Nearby sales in WD17 1QB
Versus other St Johns Road homes
37 St Johns Road is notably below the street on years held.
Price per m²
£4,054
Street avg £2,805
Floor Area
185 m²
Street avg 141 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
8.8 t/year
Street avg 4.1 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
0.1 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
The full 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








