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6 St Mary Street, Monmouth, NP25 3DB

Listed buildingExtendable1 planning record
Property type
Mid terrace
Bedrooms
3
Bathroom
1
Floor area
105 m²
1130 sq ft
Energy rating
D
Score 59
Council tax
Band E
Tenure
Owner Occupied
Overview

About 6 St Mary Street

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

6 St Mary Street is a three-bedroom mid-terrace house in Monmouth (NP25 3DB). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to before 1900 and council tax band E. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Our model identifies extension potential, subject to local planning policy. The latest certificate (June 2023) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 86), a 2-band jump.

At 105 m² the property is well over the postcode median (76 m² across 28 EPCs), placing it in the larger end of the local stock. One planning record on file: new windows approved in 2025. Past consents include new windows, meaningful when judging how the property has evolved. Across 2001–2024, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £299,000 is 22% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£217/sq ft) was about 18.5% above the typical sold price in the postcode. Last sale on file: £245,000 in May 2024.

Before you offer

Know exactly what you're buying at 6 St Mary Street

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

Already flagged here

Larger development activity nearby
£14.99
Trusted by UK homebuyers

Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • Bathrooms1

Outside

  • Private gardenYes

Building

  • Listed buildingYes
  • Extension potentialPossible
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Recommended upgrades on file would lift this property by multiple EPC bands.

EPC Rating

A
B
C
D
D59
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
5.4 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 6 St Mary Street, Monmouth, NP25 3DB, sourced from the PlanIt planning register.
  1. Sept 2025
    RenovationHeritage
    In report

    Repair windows, chimney, replace front & back doors, re-render and paint facade, fit wood pellet heating

    New Windows
    Documents
    20 docs on file
    Reference
    DM/2025/00720
    View planning record
Before you offer

We flagged 1 thing worth checking at 6 St Mary Street

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
£14.99

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Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

6 St Mary Street valuation sits well clear of the typical sold price in this postcode.

Current estimate

£299,000

Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 23 years.

See how we calculated this
Last sold (2024)

£245,000

Growth on file: 2.7% per year over 23 years.

Sales timeline

  1. 9 May 2024Most recent

    £245,000

    +81.5%over 22 years
  2. 16 August 2001

    £135,000

Median price across the last 5 sales in NP25 3DB: £480,000 (2023–2022).

Before you offer

Everything we know about 6 St Mary Street, 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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other St Mary Street homes

Four headline reads against 15 similar houses on this street, drawn from the latest EPC and Land Registry data.

On years held, 6 St Mary Street runs well behind the street norm.

Price per m²

£2,333

Street avg £2,895

Below

Floor Area

105 m²

Street avg 125 m²

On par

Habitable Rooms

5 rooms

Street avg 5 rooms

On par

CO₂ Emissions

5.4 t/year

Street avg 5.8 t/year

On par
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Monmouth district page.

Crime

1/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Agincourt Square — bus stop.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 6 St Mary Street, Monmouth, NP25 3DB. Each answer is also embedded as structured data for search engines.