25 St Marys Road, Watford, WD18 0EE
About 25 St Marys Road
25 St Marys Road is a mid-terrace house in Watford (WD18 0EE). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (November 2019) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, lighting went from Average to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 88), a 2-band jump.
2 planning records sit against the property, 0 approved, 0 refused, 2 pending. An active application for an extension is awaiting a decision. Across 1998–2023, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£458/sq ft) was about 106.6% above the typical sold price in the postcode. Last sale on file: £335,000 in September 2023.
Know exactly what you're buying at 25 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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
An application for a single-storey rear extension is currently awaiting a decision.
- Jan 2025ExtensionAmendmentIn report
Extension: Single storey · Rear of property
Lawful development certificate for proposed single storey rear extension and alterations for front fenestration
- Documents
- 3 docs on file
- Reference
- 25/00010/LDC
- Sept 2024ExtensionAmendmentIn report
Extension: Single storey · Rear of property
Lawful development certificate for proposed single storey rear extension and alterations for front fenestration
- Documents
- 4 docs on file
- Reference
- 24/00904/LDC
We flagged 1 thing worth checking at 25 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
Price for 25 St Marys Road has grown more than fourfold since the 1998 starting point.
£353,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 26 years.
£335,000
Growth on file: 7.0% per year over 26 years.
Sales timeline
13 September 2023Most recent
£335,000
+458.8%over 25 years9 March 1998
£59,950
Median price across the last 5 sales in WD18 0EE: £350,000 (2024–2020).
Nearby sales in WD18 0EE
Everything we know about 25 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, 25 St Marys Road runs well behind the street norm.
Price per m²
£4,926
Street avg £3,576
Floor Area
68 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Beaumont Place, Brightwell Road
WD18 0AJ
1 Clark Mews
WD18 0HG
1 Farthing Close
WD18 0BT
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 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
0.2 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