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Rhosyn Gwyn, St Peters Crescent, Peterstone Wentlooge, Cardiff, CF3 2TR

Estimated value

£654,000

  • Since the 2020 sale (£540,000)+21%
  • Against CF3 2TR's recent median (£293,000)+123%

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

Learn about this valuation
Property type
Detached
Habitable rooms
10
From EPC
Floor area
247 m²
2659 sq ft
Energy rating
D
Score 63
Council tax
Band H
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

£654,000

  • Against its 2020 sale (£540,000)+21%
  • Against CF3 2TR's recent median (£293,000)+123%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for Rhosyn Gwyn is modelled from its 247 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF3 2TR. 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

    247 m² from the EPC lodged in May 2020

  • Sales of this home

    2 sales recorded, the latest in 2020

  • Recent sales in CF3 2TR

    5 sales, median £293,000 (2025–2021)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: March 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.

Rhosyn Gwyn has more than tripled in price since its earliest registered sale in 2003.

Sales timeline

  1. 5 August 2020Most recent

    £540,000

    +292.7%over 17 years

  2. 22 June 2003

    £137,500

Median price across the last 5 sales in CF3 2TR: £293,000 (2025–2021).

Risks

What this page doesn't show

1 potential issue has already been flagged for Rhosyn Gwyn, St Peters Crescent, Peterstone Wentlooge, Cardiff, CF3 2TR. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn 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 Rhosyn Gwyn

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

Rhosyn Gwyn is a detached house in Peterstone Wentlooge, Cardiff, Cardiff (CF3 2TR). It has a recorded floor area of 247 m² (around 2659 sq ft), construction records dating it to 1996-2002 and council tax band H. The latest certificate (May 2020) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2009. The recommended improvements would push it to C (score 74). Main heating runs on oil.

At 247 m² the property is well over the postcode median (115 m² across 10 EPCs), placing it in the larger end of the local stock. Across 2003–2020, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £654,000 is 21.1% above the 2020 sale price. Most recent transfer: August 2020 at £540,000.

Before you decide

Everything you need to know about Rhosyn Gwyn

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

Larger development activity nearby

Pick your report · from £14.99

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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.

Rhosyn Gwyn's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)
May 2020

EPC Rating

A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Oil
Hot Water
Average
Windows
Good
CO2 Emissions
8.9 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 26 May 2030

3 years remaining
Planning

Planning history

Applications and permits filed against Rhosyn Gwyn, St Peters Crescent, Peterstone Wentlooge, Cardiff, CF3 2TR, sourced from the PlanIt planning register.

Rhosyn Gwyn 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 St Peters Crescent homes

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

Habitable Rooms for Rhosyn Gwyn runs comfortably ahead of the street norm.

Price per m²

£2,186

Street avg £2,306

On par

Floor Area

247 m²

Street avg 151 m²

Strongly above

Habitable Rooms

10 rooms

Street avg 6 rooms

Strongly above

CO₂ Emissions

8.9 t/year

Street avg 15.0 t/year

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

Six Bells — bus stop.

Nearest stops

  • Six BellsBus stop194m
  • Pentwyn TerraceBus stop1.8km
  • Marshfield StoresBus stop2.0km
  • OakfieldsBus stop2.2km

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 3 Building Survey

Late 20th centuryDetached HouseEPC DExtended multiple times (2+ extensions)No mains gas

Because the property has been extended more than once and has no mains gas supply, we believe a Level 3 building survey should be considered.

From £1,155 · 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.
£658k

1 Clos Padrig, St Mellons

CF3 2AF

5 bed3 bath
£650k

1 Church Close, Peterstone Wentlooge

CF3 2TP

£649k

1 Clos Medwy, St Mellons

CF3 2AD

4 bed3 bath
£645k

1 Marshfield Road, Castleton

CF3 2UU

£640k

1 Clos Elphan, St Mellons

CF3 2AE

4 bed
£610k

1 Cambrian Crescent, Marshfield

CF3 2TD

5 bed4 bath
£557k

1 Bayview Cottage, Wellfield Road, Marshfield

CF3 2UB

£552k

1 Mallards Reach, Marshfield

CF3 2NN

4 bed2 bath

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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 Rhosyn Gwyn is modelled from its 247 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF3 2TR. 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. 2 sales are recorded for Rhosyn Gwyn. 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 Rhosyn Gwyn was lodged in May 2020 at band D and is valid until May 2030. 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 Rhosyn Gwyn. 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 2TR.
Council tax band
Rhosyn Gwyn is in council tax band H. 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 Rhosyn Gwyn, St Peters Crescent, Peterstone Wentlooge, Cardiff, CF3 2TR. Each answer is also embedded as structured data for search engines.

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