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7 Crystal Avenue, Cardiff, CF23 5QJ

4 sales on record1 planning record
Property type
Semi-detached
Bedrooms
4
Bathroom
1
Floor area
125 m²
1345 sq ft
Energy rating
D
Score 58
Council tax
Band F
Tenure
Owner Occupied
Overview

About 7 Crystal Avenue

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

7 Crystal Avenue is a four-bedroom semi-detached house in Cardiff (CF23 5QJ). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (December 2018) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2011. Between certificates, wall efficiency went from Poor to Average; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 69).

At 125 m² the property is well over the postcode median (90 m² across 11 EPCs), placing it in the larger end of the local stock. Most recent transfer: May 2019 at £345,000. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2019. Past consents include an extension, meaningful when judging how the property has evolved. Across 2004–2019, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £475,000 is 37.7% above the 2019 sale price.

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
  • Bathrooms1
  • Dining roomYes
  • EnsuiteYes

Outside

  • Private gardenSouth-facing

Building

  • Central heatingYes
  • RefurbishedYes
Before you decide

Everything you need to know about 7 Crystal 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
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)
Dec 2018

EPC Rating

A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
5.9 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Dec 2018from Nov 2011
Windows
Mostly DoubleFull Double

Windows upgraded, improving insulation

Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Early 20th centurySemi-Detached HouseEPC D

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 £695 · Includes VAT

Planning

Planning history

Applications and permits filed against 7 Crystal Avenue, Cardiff, CF23 5QJ, sourced from the PlanIt planning register.

7 Crystal Avenue has an approved single-storey side and rear extension on the planning record.

1 application on record at 7 Crystal Avenue, Cardiff, CF23 5QJ

1decisions1extensions8documents1nearby
  1. Oct 2019
    ExtensionOutline
    Outcome in report

    Extension: Single storey · Side and rear of property

    SINGLE STOREY SIDE AND REAR EXTENSIONS

    Documents
    8 docs on file
    Reference
    19/02208/DCH
    Full record in report

Unlock 7 Crystal Avenue, Cardiff, CF23 5QJ'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 8 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.

7 Crystal Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£475,000

Modelled from EPC, postcode comparables and a sale-price growth of 2.4% per year over 15 years.

See how we calculated this
Last sold (2019)

£345,000

Growth on file: 2.4% per year over 15 years.

Sales timeline

  1. 29 May 2019Most recent

    £345,000

    +31.7%over 7 years

  2. 28 February 2012

    £262,000

    +13.2%over 5 years

  3. 8 December 2006

    £231,500

    -4.1%over 2 years

  4. 8 August 2004

    £241,500

Median price across the last 5 sales in CF23 5QJ: £320,000 (2024–2015).

On the street

Versus other Crystal Avenue homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

CO₂ Emissions for 7 Crystal Avenue lags the street by a wide margin.

Price per m²

£2,760

Street avg £3,022

Below

Floor Area

125 m²

Street avg 99 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 6 rooms

Above

CO₂ Emissions

5.9 t/year

Street avg 4.4 t/year

Strongly below
Before you decide

Everything you need to know about 7 Crystal 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
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£457k

1 Clos Tecwyn

CF23 5ND

4 bed2 bath
£520k

1 Crystal Avenue

CF23 5QJ

4 bed1 bath
£574k

1 Clos Derwen

CF23 5HJ

4 bed2 bath
£579k

1 Clos Edno

CF23 5NF

4 bed2 bath
£661k

1 Bronwydd Close

CF23 5RA

4 bed2 bath
£677k

1 Beatty Avenue

CF23 5QR

4 bed1 bath
£689k

1 Balaclava Road

CF23 5BB

4 bed3 bath
£501k

1 Ambleside Avenue

CF23 5PX

3 bed2 bath
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.
Full Cardiff report

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

Heath High Level Rail Station — railway station.

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 7 Crystal Avenue, Cardiff, CF23 5QJ. Each answer is also embedded as structured data for search engines.