36 St Mary Street, Monmouth, NP25 3DD
About 36 St Mary Street
36 St Mary Street is a four-bedroom semi-detached house in Monmouth (NP25 3DD). It has a recorded floor area of 146 m² (around 1577 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (April 2010) shows a D (score 61), on the cusp of jumping into the C band. The latest certificate is from April 2010, so improvements made since then won't be reflected. Other recorded features include a basement.
At 146 m² the property is well over the postcode median (109 m² across 9 EPCs), placing it in the larger end of the local stock. Last changed hands 10 years ago, in February 2016. Across the public record there are 5 sales, relatively high churn for a single property. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 1998–2016, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £536,000 is 26.1% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£270/sq ft) was about 29.7% above the typical sold price in the postcode.
Know exactly what you're buying at 36 St Mary Street
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
- Bedrooms4
- Dining roomYes
- EnsuiteYes
- BasementYes
Outside
- Private gardenYes
- Summer houseYes
Energy performance
36 St Mary Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Apr 2020
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Feb 2008ExtensionHeritageIn report
Extension: Single storey · Rear of property
Demolition of single storey sub standard rotten timber lean too and erection of single storey extension to rear of property.
- Documents
- 42 docs on file
- Reference
- DC/2007/01661
- Feb 2008DemolitionFullIn report
Extension: Single storey · Rear of property
Demolition of timber lean-to and construction of single storey rear extension .
Extension- Documents
- 18 docs on file
- Reference
- DC/2007/01660
We flagged 1 thing worth checking at 36 St Mary Street
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has grown by over 3x since 1998.
£536,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 18 years.
£425,000
Growth on file: 7.6% per year over 18 years.
Sales timeline
4 February 2016Most recent
£425,000
+9.0%over 5 years25 July 2010
£390,000
+9.9%over 3 years2 March 2007
£355,000
+51.1%over 3 years2 September 2003
£235,000
+104.3%over 5 years27 March 1998
£115,000
Median price across the last 5 sales in NP25 3DD: £510,000 (2024–2021).
Nearby sales in NP25 3DD
Everything we know about 36 St Mary Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other St Mary Street homes
36 St Mary Street outperforms the street on years held by a wide margin.
Price per m²
£2,902
Street avg £3,130
Floor Area
146 m²
Street avg 123 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.5 t/year
Street avg 6.0 t/year
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The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Monmouth School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.