13 Castle Close, Monmouth, NP25 5UG
About 13 Castle Close
13 Castle Close is a two-bedroom semi-detached house in Monmouth (NP25 5UG). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (April 2013) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from April 2013, so improvements made since then won't be reflected.
Sold November 2018 for £152,500. Across the public record there are 5 sales, relatively high churn for a single property. Across 1998–2018, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £218,000 is 43% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 68% above the typical sold price in the postcode.
Know exactly what you're buying at 13 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
- Dining roomYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Apr 2023
EPC Rating
Planning history
13 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 13 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
13 Castle Close has more than tripled in price since its earliest registered sale in 1998.
£218,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 21 years.
£152,500
Growth on file: 5.7% per year over 21 years.
Sales timeline
2 November 2018Most recent
£152,500
+8.9%over 12 years2 December 2005
£140,000
+57.3%over 2 years17 January 2003
£89,000
+64.8%over 2 years3 March 2000
£54,000
+11.3%over 2 years9 February 1998
£48,500
Median price across the last 5 sales in NP25 5UG: £235,000 (2025–2022).
Nearby sales in NP25 5UG
Everything we know about 13 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
£2,007
Street avg £1,899
Floor Area
76 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.9 t/year
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1 Castle Close
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1 Cottage Homes, Rockfield
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1 Brook House, Brook Estate
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1 Brook Crescent
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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.