38 St Marys Road, Watford, WD18 0EF
About 38 St Marys Road
38 St Marys Road is a three-bedroom mid-terrace house in Watford (WD18 0EF). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (October 2021) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2008. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2024, sale prices on this property compounded at 7.5% per year. On a £-per-square-foot basis, the last sale (£598/sq ft) was about 184.8% above the typical sold price in the postcode. Last sale on file: £425,000 in May 2024.
Know exactly what you're buying at 38 St Marys Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Planning history
38 St Marys Road has 2 separate extension applications on the council record.
- Apr 2016ExtensionOutlineIn report
Extension: Single storey · Rear of property
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 4.25m for which the maximum height would be 3.1m and for which the height of the eaves would be 2.5m.
- Documents
- 21 docs on file
- Reference
- 16/00419/HPD
- Nov 2015ExtensionOutlineIn report
Extension: Single storey · Rear of property
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.7m for which the maximum height would be 2.6m and the height of the eaves would be 2.6m
- Documents
- 7 docs on file
- Reference
- 15/01591/HPD
We flagged 1 thing worth checking at 38 St Marys 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
30-day money-back guarantee
Sales history & valuation
Latest sale on 38 St Marys Road was the highest on Land Registry record across the postcode.
£434,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 27 years.
£425,000
Growth on file: 7.5% per year over 27 years.
Sales timeline
30 May 2024Most recent
£425,000
+41.7%over 8 years20 August 2015
£300,000
+410.6%over 18 years24 January 1997
£58,750
Median price across the last 5 sales in WD18 0EF: £355,000 (2025–2016).
Nearby sales in WD18 0EF
Everything we know about 38 St Marys Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other St Marys Road homes
On price per m², 38 St Marys Road stands well clear of the street.
Price per m²
£6,439
Street avg £3,049
Floor Area
66 m²
Street avg 71 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.3 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Wiggenhall Road — bus stop.
Closest school
0.1 km
Watford Grammar School for Girls. 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
55.7dB

Night-time· 23:00 – 07:00
46.8dB