10 Castle Close, Monmouth, NP25 5UG
About 10 Castle Close
10 Castle Close is a two-bedroom semi-detached house in Monmouth (NP25 5UG). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (October 2018) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump.
Across 1998–2022, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £207,000 is 11.9% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£269/sq ft) was about 179.1% above the typical sold price in the postcode. At 64 m² it's 19% smaller than the typical home in the postcode (79 m² median across 15 EPCs). Last sale on file: £185,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 10 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
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
10 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 10 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 10 Castle Close has grown more than fourfold since the 1998 starting point.
£207,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 24 years.
£185,000
Growth on file: 6.4% per year over 24 years.
Sales timeline
17 July 2022Most recent
£185,000
+19.4%over 2 years29 November 2019
£155,000
+264.7%over 21 years14 October 1998
£42,500
Median price across the last 5 sales in NP25 5UG: £235,000 (2025–2020).
Nearby sales in NP25 5UG
Everything we know about 10 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
Price per m² for 10 Castle Close runs comfortably ahead of the street norm.
Price per m²
£2,891
Street avg £1,840
Floor Area
64 m²
Street avg 77 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 t/year
Street avg 2.9 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.