4 Castle Close, Monmouth, NP25 5UG
About 4 Castle Close
4 Castle Close is a three-bedroom semi-detached house in Monmouth (NP25 5UG). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (November 2017) shows a C (score 71). When first surveyed in February 2014 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to B (score 84).
Across 1997–2018, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £248,000 is 49.8% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£179/sq ft) was about 44.7% above the typical sold price in the postcode. On the market in February 2018 and unlisted since — roughly 8 years.
Know exactly what you're buying at 4 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
- Dining roomYes
- CloakroomYes
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemGas
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Wall insulation upgraded
More low energy lighting installed
Planning history
4 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 4 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
4 Castle Close has more than tripled in price since its earliest registered sale in 1997.
£248,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 21 years.
£165,500
Growth on file: 5.6% per year over 21 years.
Sales timeline
21 February 2018Most recent
£165,500
+158.6%over 18 years19 July 1999
£64,000
+23.1%over 2 years24 January 1997
£52,000
Median price across the last 5 sales in NP25 5UG: £235,000 (2025–2022).
Nearby sales in NP25 5UG
Everything we know about 4 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
On floor area, 4 Castle Close stands well clear of the street.
Price per m²
£1,924
Street avg £1,904
Floor Area
86 m²
Street avg 75 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 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.