42 St Marys Road, Watford, WD18 0EF
About 42 St Marys Road
42 St Marys Road is a two-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 (June 2013) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from June 2013, so improvements made since then won't be reflected.
Held since February 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £377,000 sits 209.8% above the 2002 sale of £121,700. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 18.7% below the postcode norm.
Know exactly what you're buying at 42 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
- Bedrooms2
- EnsuiteYes
Outside
- Private gardenYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Jun 2023
EPC Rating
Planning history
42 St Marys Road has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 42 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
42 St Marys Road's estimated value is more than triple its earliest registered sale price (2002).
£377,000
Modelled from EPC, postcode comparables.
£121,700
Recorded with HM Land Registry.
Sales timeline
28 February 2002Most recent
£121,700
Median price across the last 5 sales in WD18 0EF: £360,000 (2025–2016).
Nearby sales in WD18 0EF
Everything we know about 42 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 years held, 42 St Marys Road stands well clear of the street.
Price per m²
£1,844
Street avg £3,257
Floor Area
66 m²
Street avg 71 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.4 t/year
Similar properties nearby
1 Addison Court, St Marys View
WD18 0GR
1 Cannon Road
WD18 0BB
1 Holywell Road
WD18 0HT
1 Durban Road East
WD18 0RN
1 Cardiff Road
WD18 0DS
1 Chester Road
WD18 0RG
1 Farthing Close
WD18 0BT
1 Bridgeford House, Cassio Road
WD18 0QR
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