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20 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7NA

Estimated value

£208,000

  • Since the 2006 sale (£119,000)+75%
  • Against CF15 7NA's recent median (£165,000)+26%

Newest record on this page: March 2026. 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
2
Floor area
58 m²
624 sq ft
Energy rating
C
Score 71
Council tax
Band C
Tenure
Owner Occupied
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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

£208,000

  • Against its 2006 sale (£119,000)+75%
  • Against CF15 7NA's recent median (£165,000)+26%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 20 Rhiw R Ddar is modelled from its 58 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF15 7NA. 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

    58 m² from the EPC lodged in October 2019

  • Sales of this home

    1 sale recorded, the latest in 2006

  • Recent sales in CF15 7NA

    5 sales, median £165,000 (2026–2017)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: March 2026Latest 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 Rhiw R Ddar valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 26 September 2006Most recent

    £119,000

Median price across the last 5 sales in CF15 7NA: £165,000 (2026–2017).

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 Rhiw R Ddar

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

20 Rhiw R Ddar is a two-bedroom semi-detached house in Taffs Well, Cardiff, Cardiff (CF15 7NA). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (October 2019) shows a C (score 71). When first surveyed in October 2008 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Poor to Good and hot-water efficiency went from Good to Very Good; while main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 87). The home occupies a cul-de-sac position.

It hasn't traded since September 2006, a hold of 20 years that's notably long for the area. Today's modelled estimate of £208,000 sits 74.8% above the 2006 sale of £119,000. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs).

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

  • Bedrooms2

Outside

  • Private gardenSouth-facing
  • ParkingOff road
  • Cul-de-sacYes
Before you decide

Everything you need to know about 20 Rhiw R Ddar

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.
Current Certificate(1 of 2)
Oct 2019

EPC Rating

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

Certificate validity

Valid until 23 October 2029

2 years remaining

Property Improvements

Changes detected from historical EPC data

Oct 2019from Oct 2008
EPC improved fromD63toC71
Hot Water
GoodVery Good

Hot water efficiency improved

Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Roof Insulation
PartialWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
20%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 20 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7NA, sourced from the PlanIt planning register.

20 Rhiw R Ddar 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.

On the street

Versus other Rhiw R Ddar homes

Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.

20 Rhiw R Ddar outperforms the street on epc rating by a wide margin.

Price per m²

£2,052

Street avg £2,281

Below

Floor Area

58 m²

Street avg 66 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

2.1 t/year

Street avg 3.3 t/year

Strongly above
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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Glan-y-ffordd — bus stop.

Nearest stops

  • Glan-y-fforddBus stop84m
  • Glan-y-llyn SquareBus stop379m
  • Brynau RoadBus stop409m
  • Taffs Well InnBus stop469m

Most reported crime locally

  • Violence & Sexual Offences366 reports33%
  • Anti-social Behaviour150 reports14%
  • Public Order141 reports13%
  • Shoplifting104 reports9%

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 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 £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.
£223k

1 Castle Street, Taffs Well

CF15 7RL

2 bed1 bath
£227k

1 Anchor Street, Taffs Well

CF15 7RH

2 bed1 bath
£262k

1 Castell Coch View, Tongwynlais

CF15 7LA

2 bed1 bath
£279k

1 Castle Road, Tongwynlais

CF15 7JQ

2 bed1 bath
£220k

1 Church Street, Taffs Well

CF15 7PG

3 bed
£289k

1 Church Lane, Nantgarw

CF15 7TQ

3 bed1 bath
£299k

1 Bute Street, Tongwynlais

CF15 7LJ

3 bed1 bath
£364k

1 Forest Cottage, Castle Road, Tongwynlais

CF15 7JR

3 bed1 bath

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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 Rhiw R Ddar is modelled from its 58 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF15 7NA. 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 Rhiw R Ddar. 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 Rhiw R Ddar was lodged in October 2019 at band C and is valid until October 2029. 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 Rhiw R Ddar. 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 13 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF15 7NA.
Council tax band
20 Rhiw R Ddar is in council tax band C. 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 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7NA. Each answer is also embedded as structured data for search engines.

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