21 St James Square, Monmouth, NP25 3DN
About 21 St James Square
21 St James Square is a property in Monmouth (NP25 3DN). It has council tax band F.
Held since May 2005 — that's 21 years off the open market, well above the local norm. One planning record on file: an extension approved in 2006. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2005, sale prices on this property compounded at 39% per year.
Know exactly what you're buying at 21 St James Square
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
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
21 St James Square has an approved extension on the planning record.
- Aug 2006ExtensionFullIn report
Extension of existing garage
- Documents
- 5 docs on file
- Reference
- DC/2006/00428
We flagged 1 thing worth checking at 21 St James Square
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
21 St James Square has more than quadrupled in price since its earliest registered sale in 1997.
£325,000
Growth on file: 39.0% per year over 8 years.
Sales timeline
26 May 2005Most recent
£325,000
+1200.0%over 7 years11 August 1997
£25,000
Median price across the last 5 sales in NP25 3DN: £340,000 (2024–2015).
Nearby sales in NP25 3DN
Everything we know about 21 St James Square, 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

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The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Rolls Hall — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.