3 Castle Close, Monmouth, NP25 5UG
About 3 Castle Close
3 Castle Close is a three-bedroom semi-detached house in Monmouth (NP25 5UG). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (February 2017) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump.
A recent sale: £270,000 in January 2025. One planning record on file: a garage conversion approved in 2019. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 1996–2025, sale prices on this property compounded at 6% per year. On a £-per-square-foot basis, the last sale (£318/sq ft) was about 295.5% above the typical sold price in the postcode.
Know exactly what you're buying at 3 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
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- StudyYes
Outside
- Private gardenYes
- ParkingYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
- May 2019Garage ConversionFullIn report
Conversion of integral garage to domestic kitchen.
- Documents
- 10 docs on file
- Reference
- DM/2019/00499
We flagged 1 thing worth checking at 3 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
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Sales history & valuation
Latest sale on 3 Castle Close was the highest on Land Registry record across the postcode.
£272,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 28 years.
£270,000
Growth on file: 6.0% per year over 28 years.
Sales timeline
27 January 2025Most recent
£270,000
+8.0%over 1 year25 May 2023
£250,000
+42.9%over 4 years18 January 2019
£175,000
+7.4%over 1 year16 May 2017
£163,000
+213.5%over 20 years3 December 1996
£52,000
Median price across the last 5 sales in NP25 5UG: £189,000 (2022–2019).
Nearby sales in NP25 5UG
Everything we know about 3 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
3 Castle Close outperforms the street on price per m² by a wide margin.
Price per m²
£3,418
Street avg £1,805
Floor Area
79 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.8 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.