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1 Duffryn Avenue, Cardiff, CF23 6LE

1 planning record
Property type
Semi-detached
Bedrooms
4
Floor area
92 m²
990 sq ft
Energy rating
E
Score 47
Council tax
Band F
Tenure
Owner Occupied
Overview

About 1 Duffryn Avenue

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

1 Duffryn Avenue is a four-bedroom semi-detached house in Cardiff (CF23 6LE). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (August 2021) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.

One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. At 92 m² it's 16% smaller than the typical home in the postcode (110 m² median across 6 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Today's modelled estimate of £488,000 is 33.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£369/sq ft) was about 32.4% above the typical sold price in the postcode. Sold November 2021 for £365,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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

  • Bedrooms4

Outside

  • GarageYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 1 Duffryn Avenue

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

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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.

1 Duffryn Avenue's carbon output runs well above what efficient homes in the postcode produce.

EPC Rating

A
B
C
D
E
E47
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Average
CO2 Emissions
7.0 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Mid 20th centurySemi-Detached HouseEPC ENo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £1,020 · Includes VAT

Planning

Planning history

Applications and permits filed against 1 Duffryn Avenue, Cardiff, CF23 6LE, sourced from the PlanIt planning register.

1 Duffryn Avenue has an approved extension on the planning record.

1 application on record at 1 Duffryn Avenue, Cardiff, CF23 6LE

1decisions1extensions13documents1nearby
  1. Jan 2023
    ExtensionFull
    Outcome in report

    PROPOSED FRONT AND REAR SINGLE STOREY EXTENSIONS

    Documents
    13 docs on file
    Reference
    22/01561/DCH
    Full record in report

Unlock 1 Duffryn Avenue, Cardiff, CF23 6LE's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full, plus 1 notable nearby
  • The 13 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

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

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£488,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2021)

£365,000

Recorded with HM Land Registry.

Sales timeline

  1. 8 November 2021Most recent

    £365,000

Median price across the last 5 sales in CF23 6LE: £440,000 (2023–2016).

On the street

Versus other Duffryn Avenue homes

Four headline reads against 6 similar houses on this street, drawn from the latest EPC and Land Registry data.

1 Duffryn Avenue is notably below the street on floor area.

Price per m²

£3,967

Street avg £3,236

Strongly above

Floor Area

92 m²

Street avg 147 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

7.0 t/year

Street avg 5.7 t/year

Strongly below
Before you decide

Everything you need to know about 1 Duffryn Avenue

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.

Rail-style transport is unusually close for this postcode.

Crime

9/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Duffryn Avenue — 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 Duffryn Avenue, Cardiff, CF23 6LE. Each answer is also embedded as structured data for search engines.