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1 Duncan Close, St Mellons, Cardiff, CF3 1NP

Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
70 m²
753 sq ft
Energy rating
C
Score 72
Council tax
Band D
Tenure
Freehold
Overview

About 1 Duncan Close

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

1 Duncan Close is a three-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 1NP). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1996-2002 and council tax band D. Tenure is freehold. The latest certificate (September 2023) shows a C (score 72). The rating has held steady at C across 2 certificates since June 2012. Between certificates, lighting dropped from Good to Average. The recommended improvements would push it to B (score 87). The home occupies a cul-de-sac position.

It changed hands recently, sold October 2025 for £240,000. Across 2019–2025, sale prices on this property compounded at 4.1% per year. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 64.9% above the typical sold price in the postcode.

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
  • Open-plan layoutYes

Outside

  • Private gardenYes
  • GarageYes
  • Cul-de-sacYes

Building

  • TenureFreehold
Before you decide

Everything you need to know about 1 Duncan Close

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Sept 2023

EPC Rating

A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.0 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

Sept 2023from Jun 2012
Floor Insulation
UninsulatedPartial

Floor insulation added or improved

Low Energy Lighting
67%38%

Low energy lighting percentage decreased

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centurySemi-Detached HouseFreeholdEPC C

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £545 · Includes VAT

Planning

Planning history

Applications and permits filed against 1 Duncan Close, St Mellons, Cardiff, CF3 1NP, sourced from the PlanIt planning register.

1 Duncan Close has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

Price

Sales history & valuation

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

1 Duncan Close valuation sits well clear of the typical sold price in this postcode.

Current estimate

£239,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 7 years.

See how we calculated this
Last sold (2025)

£240,000

Growth on file: 4.1% per year over 7 years.

Sales timeline

  1. 23 October 2025Most recent

    £240,000

    +31.5%over 6 years
  2. 11 January 2019

    £182,500

Median price across the last 5 sales in CF3 1NP: £245,000 (2025–2024).

On the street

Versus other Duncan Close homes

Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.

1 Duncan Close is notably below the street on years held.

Price per m²

£3,429

Street avg £2,787

Strongly above

Floor Area

70 m²

Street avg 65 m²

Strongly above

Habitable Rooms

4 rooms

Street avg 4 rooms

On par

CO₂ Emissions

2.0 t/year

Street avg 2.2 t/year

Above
Before you decide

Everything you need to know about 1 Duncan Close

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Area

The neighbourhood at a glance

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

Reported crime in the wider district is trending notably upward year-on-year.

Crime

3/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Ty Coch Court — bus stop.

Go deeper on the local area

A Local Area 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 1 Duncan Close, St Mellons, Cardiff, CF3 1NP. Each answer is also embedded as structured data for search engines.