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17 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU

Property type
Detached
Bedrooms
4
Bathroom
1
Floor area
123 m²
1324 sq ft
Energy rating
C
Score 72
Council tax
Band E
Tenure
Owner Occupied
Overview

About 17 Cwm Gwynlais

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

17 Cwm Gwynlais is a four-bedroom detached house in Tongwynlais, Cardiff, Cardiff (CF15 7HU). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (February 2021) shows a C (score 72). When first surveyed in November 2015 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 83). The home occupies a corner plot and a cul-de-sac position.

At 123 m² it's 17.1% larger than the typical home in the postcode (105 m² median across 12 EPCs). Across 2016–2021, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £450,000 is 23.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£276/sq ft) was about 88.8% above the typical sold price in the postcode. Most recent transfer: June 2021 at £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
  • Bathrooms1
  • Dining roomYes

Outside

  • Private gardenWrap around
  • GarageDouble
  • Corner plotYes
  • Cul-de-sacYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 17 Cwm Gwynlais

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)
Feb 2021

EPC Rating

A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.3 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Feb 2021from Nov 2015
EPC improved fromD63toC72
Hot Water
AverageGood

Hot water efficiency improved

Low Energy Lighting
40%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centuryDetached HouseEPC C

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 17 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU, sourced from the PlanIt planning register.

17 Cwm Gwynlais 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.

Latest sale on 17 Cwm Gwynlais was the highest on Land Registry record across the postcode.

Current estimate

£450,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 5 years.

See how we calculated this
Last sold (2021)

£365,000

Growth on file: 4.1% per year over 5 years.

Sales timeline

  1. 17 June 2021Most recent

    £365,000

    +23.7%over 5 years

  2. 16 March 2016

    £295,000

Median price across the last 5 sales in CF15 7HU: £247,500 (2022–2014).

On the street

Versus other Cwm Gwynlais homes

Four headline reads against 12 similar houses on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 17 Cwm Gwynlais runs comfortably ahead of the street norm.

Price per m²

£2,967

Street avg £1,995

Strongly above

Floor Area

123 m²

Street avg 102 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 6 rooms

Below

CO₂ Emissions

3.3 t/year

Street avg 4.3 t/year

Above
Before you decide

Everything you need to know about 17 Cwm Gwynlais

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.
£420k

1 Clos Llewellyn, Taffs Well

CF15 7AT

4 bed2 bath
£316k

1 Bute Villa, Taffs Well

CF15 7QP

4 bed1 bath
£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed
£275k

1 Beechwood Road, Taffs Well

CF15 7RZ

4 bed
£432k

1 Birch Hill, Tongwynlais

CF15 7LL

5 bed3 bath
£473k

1 Cules Terrace, Taffs Well

CF15 7QJ

5 bed
£379k

1 Forest Cottage, Castle Road, Tongwynlais

CF15 7JR

3 bed1 bath
£309k

1 Bute Street, Tongwynlais

CF15 7LJ

3 bed1 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

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Pantgwynlais — 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 17 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU. Each answer is also embedded as structured data for search engines.