3 St Marys Road, Watford, WD18 0EE
About 3 St Marys Road
3 St Marys Road is a two-bedroom mid-terrace house in Watford (WD18 0EE). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (March 2025) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in August 2012 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to C (score 80).
Across 2001–2012, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £372,000 sits 87.9% above the 2012 sale of £198,000. 14 years since the last transfer (November 2012).
Know exactly what you're buying at 3 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
- Bathrooms2
Outside
- GarageYes
Building
- ConciergeYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
3 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 3 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
3 St Marys Road's estimated value is more than triple its earliest registered sale price (2001).
£372,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 11 years.
£198,000
Growth on file: 5.1% per year over 11 years.
Sales timeline
22 November 2012Most recent
£198,000
+73.7%over 11 years20 September 2001
£114,000
Median price across the last 5 sales in WD18 0EE: £350,000 (2024–2021).
Nearby sales in WD18 0EE
Everything we know about 3 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
3 St Marys Road outperforms the street on epc rating by a wide margin.
Price per m²
£2,571
Street avg £3,650
Floor Area
77 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.8 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
0.2 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
46.7dB