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1 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS

Estimated value

£488,000

  • Since the 2007 sale (£248,250)+97%
  • Against CF23 8AS's recent median (£295,000)+65%

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
Detached
Bedrooms
4
Bathrooms
2
Floor area
122 m²
1313 sq ft
Energy rating
D
Score 63
Council tax
Band F
Tenure
Private Rental
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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

£488,000

  • Against its 2007 sale (£248,250)+97%
  • Against CF23 8AS's recent median (£295,000)+65%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 1 Allt Y Wennol is modelled from its 122 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 8AS. 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

    122 m² from the EPC lodged in May 2018

  • Sales of this home

    2 sales recorded, the latest in 2007

  • Recent sales in CF23 8AS

    5 sales, median £295,000 (2026–2015)

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.

The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.

Sales timeline

  1. 23 August 2007Most recent

    £248,250

    +47.8%over 5 years

  2. 27 March 2002

    £167,995

Median price across the last 5 sales in CF23 8AS: £295,000 (2026–2015).

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 1 Allt Y Wennol

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

1 Allt Y Wennol is a four-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8AS). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (May 2018) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.

Held since August 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2002–2007, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £488,000 sits 96.6% above the 2007 sale of £248,250.

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
  • Bathrooms2
  • Dining roomYes
  • EnsuiteYes

Outside

  • Private gardenRear
  • DrivewayYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 1 Allt Y Wennol

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.

1 Allt Y Wennol sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.

Current Certificate
May 2018

EPC Rating

A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Very Poor
Windows
Average
CO2 Emissions
4.4 t/year
Occupancy
Rented

Certificate validity

Valid until 10 May 2028

1 year remaining
Planning

Planning history

Applications and permits filed against 1 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS, sourced from the PlanIt planning register.

1 Allt Y Wennol 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 Allt Y Wennol homes

Four headline reads against 6 similar houses on this street, drawn from the latest EPC and Land Registry data.

On price per m², 1 Allt Y Wennol runs well behind the street norm.

Price per m²

£2,035

Street avg £2,715

Strongly below

Floor Area

122 m²

Street avg 114 m²

Above

Habitable Rooms

6 rooms

Street avg 6 rooms

On par

CO₂ Emissions

4.4 t/year

Street avg 3.2 t/year

Strongly 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

169/mo

Falling year-on-year across the wider district.

Nearest stop

0.2 km

Clos Cwm Du — bus stop.

Nearest stops

  • Clos Cwm DuBus stop242m
  • Sindercombe ClBus stop279m
  • Pentwyn DriveBus stop305m
  • The FarthingsBus stop332m

Most reported crime locally

  • Violence & Sexual Offences995 reports33%
  • Anti-social Behaviour345 reports11%
  • Public Order344 reports11%
  • Shoplifting340 reports11%

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 centuryDetached HouseEPC D

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.

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Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£503k

1 Acorn Grove, Pontprennau

CF23 8NG

4 bed2 bath
£417k

1 Clos Nant Y Cwm, Pontprennau

CF23 8LG

4 bed2 bath
£401k

1 Clos Nant Mwlan, Pontprennau

CF23 8NA

4 bed2 bath
£381k

1 Blackberry Way, Pontprennau

CF23 8FE

4 bed2 bath
£363k

1 Clos Dol Heulog, Pontprennau

CF23 8AT

3 bed
£327k

1 Amberwood Close, Pontprennau

CF23 8BZ

3 bed
£321k

1 Clos Alyn, Pontprennau

CF23 8LB

3 bed
£306k

1 Amblecote Close, Pontprennau

CF23 8BY

3 bed

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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 1 Allt Y Wennol is modelled from its 122 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 8AS. 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 1 Allt Y Wennol. 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 1 Allt Y Wennol was lodged in May 2018 at band D and is valid until May 2028. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 1 Allt Y Wennol. 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 CF23 8AS.
Council tax band
1 Allt Y Wennol is in council tax band F. 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 1 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS. Each answer is also embedded as structured data for search engines.

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