11a, St Mary Street, Monmouth, NP25 3DB
About 11a
11a is a semi-detached house in Monmouth (NP25 3DB). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (October 2020) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in August 2010 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and main heating went from Poor to Average; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 88), a 3-band jump. Main heating runs on electricity.
Across 2011–2016, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £230,000 sits 57.5% above the 2016 sale of £146,000. On a £-per-square-foot basis, the last sale (£215/sq ft) was about 21.3% above the typical sold price in the postcode. At 63 m² it's 20.8% smaller than the typical home in the postcode (80 m² median across 28 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Last changed hands 10 years ago, in May 2016. One historical planning record sits against the property in 2005.
Know exactly what you're buying at 11a
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
11a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Planning history
- May 2005AdvertisingIn report
Retention Of Fascia Signage And One Projecting, Hanging Sign And Proposed External Illumination Of Said Signage.
- Documents
- 2 docs on file
- Reference
- M09908
We flagged 1 thing worth checking at 11a
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
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Sales history & valuation
£230,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 5 years.
£146,000
Growth on file: 2.1% per year over 5 years.
Sales timeline
3 May 2016Most recent
£146,000
+10.6%over 4 years7 July 2011
£132,000
Median price across the last 5 sales in NP25 3DB: £480,000 (2024–2022).
Nearby sales in NP25 3DB
6 St Mary Street, Monmouth, NP25 3DB
Sold May 2024
£245,0002 Angel Court, St Mary Street, Monmouth, NP25 3DB
Sold Jul 2023
£480,000St John Hall, St Mary Street, Monmouth, NP25 3DB
Sold Mar 2023
£504,52521 St Mary Street, Monmouth, NP25 3DB
Sold Nov 2022
£825,0008 St Mary Street, Monmouth, NP25 3DB
Sold Aug 2022
£182,500
Everything we know about 11a, 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
Habitable Rooms for 11a lags the street by a wide margin.
Price per m²
£2,317
Street avg £2,896
Floor Area
63 m²
Street avg 128 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
7.2 t/year
Street avg 5.7 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
Agincourt Square — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.