12 St Thomas Square, Monmouth, NP25 5ES
About 12 St Thomas Square
12 St Thomas Square is a five-bedroom semi-detached house in Monmouth (NP25 5ES). It has a recorded floor area of 204 m² (around 2196 sq ft) and construction records dating it to before 1900. The latest certificate (October 2013) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 74). The latest certificate is from October 2013, so improvements made since then won't be reflected.
6 planning records sit against the property, 5 approved, 0 refused, 1 pending. Past consents include tree works, an extension, subdivision and new windows, meaningful when judging how the property has evolved. An active application for tree works is awaiting a decision. At 204 m² the property is well over the postcode median (47 m² across 12 EPCs), placing it in the larger end of the local stock. Last sold in October 2014, so it's been off the market for around 12 years. Across 2006–2014, sale prices on this property compounded at 1.9% per year. Today's modelled estimate of £561,000 is 40.3% above the 2014 sale price.
Know exactly what you're buying at 12 St Thomas 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
What this property has
Inside
- Bedrooms5
Energy performance
12 St Thomas Square's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 15 Oct 2023
EPC Rating
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Apr 2021Tree WorksTreesIn report
Two Acer trees at the bottom of the garden on the river bank to be repollarded to previous cuts. Cherry tree to the rear of the house to be crown thinned and the more overly extended branches reduced in line with the canopy form.
- Documents
- 3 docs on file
- Reference
- DM/2021/00455
- Mar 2021Tree WorksTreesIn report
Two Acer trees at the bottom of the garden on the river bank to be repollarded to previous cuts. Cherry tree to the rear of the house to be crown thinned and the more overly extended branches reduced in line with the canopy form.
- Reference
- DM/2021/00588
We flagged 1 thing worth checking at 12 St Thomas 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
30-day money-back guarantee
Sales history & valuation
Latest sale on 12 St Thomas Square was the highest on Land Registry record across the postcode.
£561,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 8 years.
£400,000
Growth on file: 1.9% per year over 8 years.
Sales timeline
2 October 2014Most recent
£400,000
+15.9%over 7 years30 November 2006
£345,000
Median price across the last 5 sales in NP25 5ES: £152,000 (2025–2016).
Nearby sales in NP25 5ES
Flat 1, 9 St Thomas Square, Monmouth, NP25 5ES
Sold Jul 2025
£253,000Flat, 23 St Thomas Square, Monmouth, NP25 5ES
Sold Oct 2022
£135,00025 St Thomas Square, Monmouth, NP25 5ES
Sold Jan 2018
£152,00014 St Thomas Square, Monmouth, NP25 5ES
Sold Feb 2017
£332,50027 St Thomas Square, Monmouth, NP25 5ES
Sold Jan 2013
£124,000
Everything we know about 12 St Thomas 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
Versus other St Thomas Square homes
On floor area, 12 St Thomas Square stands well clear of the street.
Price per m²
£1,961
Street avg £2,403
Floor Area
204 m²
Street avg 141 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
7.5 t/year
Street avg 6.0 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cinderhill — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.