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18 Heol Gwern Edyddan, St Fagans, Cardiff, CF5 6FR

EPC B
Property type
Semi-detached
Floor area
77 m²
829 sq ft
Energy rating
B
Score 84
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Overview

About 18 Heol Gwern Edyddan

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

18 Heol Gwern Edyddan is a semi-detached house in St. Fagans, Cardiff, Cardiff (CF5 6FR). It has a recorded floor area of 77 m² (around 829 sq ft) and construction records dating it to 2021. The latest certificate (September 2021) returns a B (score 84), comfortably above the UK average. The recommended improvements would push it to A (score 96).

Most recent transfer was March 2026 at £320,000 — fresh data. Across 2021–2026, sale prices on this property compounded at 2.8% per year.

Before you decide

Everything you need to know about 18 Heol Gwern Edyddan

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

Larger development activity nearby

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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.

18 Heol Gwern Edyddan's carbon output is low for the local stock.

Current Certificate
Sept 2021

EPC Rating

A
B
B84
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Good
CO2 Emissions
1.1 t/year
Occupancy
—

Certificate validity

Valid until 1 September 2031

4 years remaining
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

21st centurySemi-Detached HouseEPC B

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 £595 · Includes VAT

Planning

Planning history

Applications and permits filed against 18 Heol Gwern Edyddan, St Fagans, Cardiff, CF5 6FR, sourced from the PlanIt planning register.

18 Heol Gwern Edyddan has no planning applications on record.

1

But the area is active

1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

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

£315,000

Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 5 years.

See how we calculated this
Last sold (2026)

£320,000

Growth on file: 2.8% per year over 5 years.

Sales timeline

  1. 27 March 2026Most recent

    £320,000

    +13.3%over 4 years

  2. 23 September 2021

    £282,500

Median price across the last 5 sales in CF5 6FR: £309,995 (2025–2021).

On the street

Versus other Heol Gwern Edyddan homes

Four headline reads against 28 similar houses on this street, drawn from the latest EPC and Land Registry data.

Years Held for 18 Heol Gwern Edyddan lags the street by a wide margin.

Price per m²

£4,156

Street avg £3,733

Strongly above

Floor Area

77 m²

Street avg 88 m²

Strongly below

CO₂ Emissions

1.1 t/year

Street avg 1.2 t/year

Above

Years Held

0 years

Street avg 4 years

Strongly below
Before you decide

Everything you need to know about 18 Heol Gwern Edyddan

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

Larger development activity nearby

Pick your report · from £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.
£316k

1 Castle Green, St George S Super Ely

CF5 6EX

£292k

1 Clive Cottages, St Fagans

CF5 6EE

£288k

1 Cottage Row, Twyn Yr Odyn

CF5 6BN

2 bed2 bath
£351k

1 Cardiff Road, St Fagans

CF5 6EB

2 bed
£280k

1 Coedlan Y Trenshys, St Fagans

CF5 6FS

£385k

1 Church Row, St Nicholas

CF5 6SP

3 bed
£423k

1 Burdons Close, Wenvoe

CF5 6FE

£425k

1 Clos Yr Onnen, Capel Llanilltern

CF5 6GP

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

426/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Goitre Fach Farm — 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 18 Heol Gwern Edyddan, St Fagans, Cardiff, CF5 6FR. Each answer is also embedded as structured data for search engines.