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3 Wellington Street, Tongwynlais, Cardiff, CF15 7LP

Extendable1 planning record
Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
97 m²
1044 sq ft
Energy rating
D
Score 66
Council tax
Band E
Tenure
Owner Occupied
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Overview

About 3 Wellington Street

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

3 Wellington Street is a three-bedroom semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LP). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (November 2025) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in November 2018 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Our model identifies extension potential, subject to local planning policy.

It changed hands recently, sold May 2026 for £387,500. One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved. Across 2020–2026, sale prices on this property compounded at 7.6% per year. On a £-per-square-foot basis, the last sale (£371/sq ft) was about 88.2% above the typical sold price in the postcode.

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

  • Bedrooms3
  • Bathrooms1
  • Dining roomYes

Outside

  • Private gardenRear

Building

  • Extension potentialPossible
Before you decide

Everything you need to know about 3 Wellington Street

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

Pick your report · from £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 2)
Nov 2025

EPC Rating

A
B
C
D
D66
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.8 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 21 November 2035

9 years remaining

Property Improvements

Changes detected from historical EPC data

Nov 2025from Nov 2018
EPC improved fromF32toD66
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Roof Insulation
UninsulatedInsulated

Roof insulation improved

Low Energy Lighting
33%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraSemi-Detached 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 3 Wellington Street, Tongwynlais, Cardiff, CF15 7LP, sourced from the PlanIt planning register.

1 application on record at 3 Wellington Street, Tongwynlais, Cardiff, CF15 7LP

1decisions1extensions9documents1nearby
Flagged:Retrospective
  1. Oct 2024
    ExtensionFull
    Outcome in report

    Extension: Side and rear of property

    New 2 Storey Side & Rear Extension with demolition of existing shed. Retrospective consent required for existing Garden Room.

    Retrospective
    Documents
    9 docs on file
    Reference
    24/00968/HSE
    Full record in report

Unlock 3 Wellington Street, Tongwynlais, Cardiff, CF15 7LP's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full, plus 1 notable nearby
  • The 9 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

3 Wellington Street valuation sits well clear of the typical sold price in this postcode.

Current estimate

£363,000

Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 6 years.

See how we calculated this
Last sold (2026)

£387,500

Growth on file: 7.6% per year over 6 years.

Sales timeline

  1. 20 May 2026Most recent

    £387,500

    +55.0%over 5 years

  2. 8 June 2020

    £250,000

Median price across the last 5 sales in CF15 7LP: £335,000 (2026–2022).

On the street

Versus other Wellington Street homes

Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.

Years Held for 3 Wellington Street lags the street by a wide margin.

Price per m²

£3,995

Street avg £2,430

Strongly above

Floor Area

97 m²

Street avg 97 m²

On par

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

3.8 t/year

Street avg 4.2 t/year

On par
Before you decide

Everything you need to know about 3 Wellington Street

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

Pick your report · from £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.
£364k

1 Forest Cottage, Castle Road, Tongwynlais

CF15 7JR

3 bed1 bath
£299k

1 Bute Street, Tongwynlais

CF15 7LJ

3 bed1 bath
£289k

1 Church Lane, Nantgarw

CF15 7TQ

3 bed1 bath
£220k

1 Church Street, Taffs Well

CF15 7PG

3 bed
£398k

1 Clos Llewellyn, Taffs Well

CF15 7AT

4 bed2 bath
£330k

1 Bute Villa, Taffs Well

CF15 7QP

4 bed1 bath
£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed
£279k

1 Castle Road, Tongwynlais

CF15 7JQ

2 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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Lewis Arms — 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 3 Wellington Street, Tongwynlais, Cardiff, CF15 7LP. Each answer is also embedded as structured data for search engines.