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20 Blackbirds Way, St Mellons, Cardiff, CF3 5RE

Estimated value

£216,000

  • Since the 1997 sale (£57,000)+279%
  • Against CF3 5RE's recent median (£215,000)0%

Newest record on this page: August 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Bedrooms
3
Floor area
89 m²
958 sq ft
Energy rating
D
Score 56
Council tax
Band D
Tenure
Private Rental
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£216,000

  • Against its 1997 sale (£57,000)+279%
  • Against CF3 5RE's recent median (£215,000)0%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 20 Blackbirds Way is modelled from its 89 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 5RE. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    89 m² from the EPC lodged in November 2013

  • Sales of this home

    1 sale recorded, the latest in 1997

  • Recent sales in CF3 5RE

    5 sales, median £215,000 (2025–2014)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: August 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

20 Blackbirds Way's estimated value is more than triple its earliest registered sale price (1997).

Sales timeline

  1. 24 July 1997Most recent

    £57,000

Median price across the last 5 sales in CF3 5RE: £215,000 (2025–2014).

Risks

What this page doesn't show

Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 20 Blackbirds Way

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

20 Blackbirds Way is a three-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 5RE). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (November 2013) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since December 2008. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Average to Poor and roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected.

Held since July 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £216,000 sits 278.9% above the 1997 sale of £57,000. On a £-per-square-foot basis, the last sale (£59/sq ft) was about 24.5% below the postcode norm.

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
Before you decide

Everything you need to know about 20 Blackbirds Way

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.

20 Blackbirds Way sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 22 Nov 2023

Current Certificate(1 of 2)
Nov 2013

EPC Rating

A
B
C
D
D56
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Average
CO2 Emissions
4.6 t/year
Occupancy
Rented

Certificate validity

Expired on 22 November 2023

New assessment needed to sell or let

Property Improvements

Changes detected from historical EPC data

Nov 2013from Dec 2008
Heating Controls
FullProg + Stat

Heating controls changed

Hot Water
GoodAverage

Hot water efficiency decreased

Low Energy Lighting
0%73%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 20 Blackbirds Way, St Mellons, Cardiff, CF3 5RE, sourced from the PlanIt planning register.

20 Blackbirds Way has no planning applications on record.

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

On the street

Versus other Blackbirds Way homes

Four headline reads against 16 similar houses on this street, drawn from the latest EPC and Land Registry data.

20 Blackbirds Way is notably below the street on price per m².

Price per m²

£640

Street avg £2,100

Strongly below

Floor Area

89 m²

Street avg 88 m²

On par

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

4.6 t/year

Street avg 1.9 t/year

Strongly below
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

Crime

242/mo

Falling year-on-year across the wider district.

Nearest stop

0.2 km

Bluebell Drive — bus stop.

Nearest stops

  • Bluebell DriveBus stop207m
  • Okehampton AvenueBus stop241m
  • Bluebell DriveBus stop266m
  • Tyrwinch RoadBus stop324m

Most reported crime locally

  • Violence & Sexual Offences1,550 reports36%
  • Anti-social Behaviour627 reports14%
  • Public Order468 reports11%
  • Criminal Damage & Arson424 reports10%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 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 £545 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£200k

1 Bronte Close, Llanrumney

CF3 5PN

3 bed
£197k

1 Banwell Place, Llanrumney

CF3 5SH

3 bed
£264k

1 Brendon Close, Llanrumney

CF3 5RJ

3 bed1 bath
£269k

1 Axbridge Crescent, Llanrumney

CF3 5TJ

3 bed
£150k

1 Bluebell Drive

CF3 5RA

3 bed
£443k

1 Chapel Row Lane, Old St Mellons

CF3 5ST

3 bed
£263k

1 Captain S View, Braunton Crescent, Llanrumney

CF3 5AD

2 bed1 bath
£538k

1 Courtenay Close, Old St Mellons

CF3 5UL

4 bed2 bath

Property research, connected

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Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 20 Blackbirds Way is modelled from its 89 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 5RE. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 1 sale is recorded for 20 Blackbirds Way. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 20 Blackbirds Way was lodged in November 2013 at band D and expired in November 2023, so a new one is needed to sell or let. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 20 Blackbirds Way. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 18 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF3 5RE.
Council tax band
20 Blackbirds Way is in council tax band D. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Blackbirds Way, St Mellons, Cardiff, CF3 5RE. Each answer is also embedded as structured data for search engines.

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