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21 Castell Coch View, Tongwynlais, Cardiff, CF15 7LA

Property type
Detached
Habitable rooms
9
From EPC
Floor area
177 m²
1905 sq ft
Energy rating
C
Score 71
Council tax
Band G
Tenure
Owner Occupied
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Overview

About 21 Castell Coch View

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

21 Castell Coch View is a detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LA). It has a recorded floor area of 177 m² (around 1905 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (April 2026) shows a C (score 71). This certificate was lodged in the last six months, so the rating reflects current condition.

At 177 m² the property is well over the postcode median (125 m² across 29 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £527,000 sits 23854.5% above the 2023 sale of £2,200. On a £-per-square-foot basis, the last sale (£1/sq ft) was about 99.4% below the postcode norm. Last sale on file: £2,200 in December 2023.

Before you decide

Everything you need to know about 21 Castell Coch View

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

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
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate
Apr 2026

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.0 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 7 April 2036

9 years remaining
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Late 20th centuryDetached HouseEPC CExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,085 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Castell Coch View, Tongwynlais, Cardiff, CF15 7LA, sourced from the PlanIt planning register.

21 Castell Coch View 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.

21 Castell Coch View's modelled value sits at over four times its earliest registered sale price (2023).

Current estimate

£527,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2023)

£2,200

Recorded with HM Land Registry.

Sales timeline

  1. 21 December 2023Most recent

    £2,200

Median price across the last 5 sales in CF15 7LA: £97,000 (2025–2022).

On the street

Versus other Castell Coch View homes

Four headline reads against 29 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 21 Castell Coch View lags the street by a wide margin.

Price per m²

£12

Street avg £2,436

Strongly below

Floor Area

177 m²

Street avg 130 m²

Above

Habitable Rooms

9 rooms

Street avg 6 rooms

Strongly above

CO₂ Emissions

5.0 t/year

Street avg 4.8 t/year

On par
Before you decide

Everything you need to know about 21 Castell Coch View

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

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.
£493k

1 Cules Terrace, Taffs Well

CF15 7QJ

5 bed
£469k

1 Birch Hill, Tongwynlais

CF15 7LL

5 bed3 bath
£398k

1 Clos Llewellyn, Taffs Well

CF15 7AT

4 bed2 bath
£376k

1 Brynau Road, Taffs Well

CF15 7SA

£364k

1 Forest Cottage, Castle Road, Tongwynlais

CF15 7JR

3 bed1 bath
£330k

1 Bute Villa, Taffs Well

CF15 7QP

4 bed1 bath
£323k

1 Cross Street, Tongwynlais

CF15 7NQ

£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed
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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.0 km

Castell Coch View — 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 21 Castell Coch View, Tongwynlais, Cardiff, CF15 7LA. Each answer is also embedded as structured data for search engines.