27 St Mary Street, Monmouth, NP25 3DD
About 27 St Mary Street
27 St Mary Street is a three-bedroom end-of-terrace house in Monmouth (NP25 3DD). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (February 2026) shows a C (score 69), just inside the C band. When first surveyed in February 2016 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
9 years since the last transfer (May 2017). Across the public record there are 4 sales, relatively high churn for a single property. At 133 m² it's 22% larger than the typical home in the postcode (109 m² median across 9 EPCs). Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). Across 1995–2017, sale prices on this property compounded at 8.6% per year. Today's modelled estimate of £410,000 is 39% above the 2017 sale price.
Know exactly what you're buying at 27 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
- Bedrooms3
- Bathrooms2
- Dining roomYes
Outside
- Private gardenYes
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Planning history
27 St Mary Street has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 27 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
Price for 27 St Mary Street has grown more than fourfold since the 1995 starting point.
£410,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 22 years.
£295,000
Growth on file: 8.6% per year over 22 years.
Sales timeline
23 May 2017Most recent
£295,000
-1.7%over 10 years15 April 2007
£300,000
+87.5%over 5 years15 March 2002
£160,000
+233.3%over 6 years12 April 1995
£48,000
Median price across the last 5 sales in NP25 3DD: £510,000 (2024–2021).
Nearby sales in NP25 3DD
Everything we know about 27 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
EPC Rating for 27 St Mary Street runs comfortably ahead of the street norm.
Price per m²
£2,218
Street avg £3,215
Floor Area
133 m²
Street avg 124 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.1 t/year
Street avg 6.3 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.