9 Castle Close, Monmouth, NP25 5UG
About 9 Castle Close
9 Castle Close is a two-bedroom semi-detached house in Monmouth (NP25 5UG). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (June 2020) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 1998–2022, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £211,000 is 12.2% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£257/sq ft) was about 167% above the typical sold price in the postcode. Most recent transfer: November 2022 at £188,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 9 Castle Close
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
- Bathrooms1
Outside
- Private gardenYes
- ParkingOff road
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
9 Castle Close has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 9 Castle Close
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 9 Castle Close has grown more than fourfold since the 1998 starting point.
£211,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 24 years.
£188,000
Growth on file: 6.5% per year over 24 years.
Sales timeline
18 November 2022Most recent
£188,000
+70.9%over 11 years24 October 2011
£110,000
+165.1%over 13 years8 October 1998
£41,500
Median price across the last 5 sales in NP25 5UG: £235,000 (2025–2020).
Nearby sales in NP25 5UG
Everything we know about 9 Castle Close, 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 Castle Close homes
EPC Rating for 9 Castle Close lags the street by a wide margin.
Price per m²
£2,765
Street avg £1,848
Floor Area
68 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.0 t/year
Street avg 2.8 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
Cinderhill — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.