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1 Leon Avenue, Taffs Well, Cardiff, CF15 7RG

Property type
Detached
Habitable rooms
5
From EPC
Floor area
80 m²
861 sq ft
Energy rating
D
Score 59
Council tax
Band E
Tenure
Owner Occupied
Overview

About 1 Leon Avenue

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

1 Leon Avenue is a detached house in Taffs Well, Cardiff, Cardiff (CF15 7RG). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (May 2024) shows a D (score 59), a step below the typical UK home. When first surveyed in July 2013 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 82), a 2-band jump.

Most recent transfer was April 2025 at £265,000 — fresh data. Across 2016–2025, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £310,000 is 17% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£308/sq ft) was about 107.6% above the typical sold price in the postcode.

Before you decide

Everything you need to know about 1 Leon Avenue

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.

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate(1 of 3)
May 2024

EPC Rating

A
B
C
D
D59
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.7 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jan 2015from Jul 2013
Low Energy Lighting
100%0%

Low energy lighting percentage decreased

May 2024from Jan 2015
EPC improved fromF23toD59
Heating Controls
ThermostatFull

Heating controls upgraded for better temperature management

Hot Water
ImmersionMain System

Hot water system upgraded

Low Energy Lighting
0%90%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraDetached HouseEPC DPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £955 · Includes VAT

Planning

Planning history

Applications and permits filed against 1 Leon Avenue, Taffs Well, Cardiff, CF15 7RG, sourced from the PlanIt planning register.

1 Leon Avenue 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.

1 Leon Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£310,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 9 years.

See how we calculated this
Last sold (2025)

£265,000

Growth on file: 5.1% per year over 9 years.

Sales timeline

  1. 23 April 2025Most recent

    £265,000

    +58.7%over 9 years

  2. 3 February 2016

    £167,000

Median price across the last 4 sales in CF15 7RG: £142,500 (2020–2002).

On the street

Versus other Leon Avenue homes

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

Price per m² for 1 Leon Avenue runs comfortably ahead of the street norm.

Price per m²

£3,313

Street avg £1,956

Strongly above

Floor Area

80 m²

Street avg 89 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 5 rooms

Above

CO₂ Emissions

3.7 t/year

Street avg 4.5 t/year

Strongly above
Before you decide

Everything you need to know about 1 Leon Avenue

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.
£309k

1 Bute Street, Tongwynlais

CF15 7LJ

3 bed1 bath
£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed
£316k

1 Bute Villa, Taffs Well

CF15 7QP

4 bed1 bath
£318k

1 Alfred Terrace, Taffs Well

CF15 7RJ

£322k

1 Cross Street, Tongwynlais

CF15 7NQ

£291k

1 Church Lane, Nantgarw

CF15 7TQ

3 bed1 bath
£282k

1 Castle Road, Tongwynlais

CF15 7JQ

2 bed1 bath
£275k

1 Beechwood Road, Taffs Well

CF15 7RZ

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

Rail-style transport is unusually close for this postcode.

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Taffs Well Railway Station — 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 1 Leon Avenue, Taffs Well, Cardiff, CF15 7RG. Each answer is also embedded as structured data for search engines.