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18 Caerphilly Avenue, Bonymaen, Swansea, SA1 7HY

Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
86 m²
926 sq ft
Energy rating
D
Score 57
Council tax
Band A
Tenure
Owner Occupied
Overview

About 18 Caerphilly Avenue

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

18 Caerphilly Avenue is a three-bedroom semi-detached house in Bonymaen, Swansea, Swansea (SA1 7HY). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (January 2018) shows a D (score 57), a step below the typical UK home. When first surveyed in April 2014 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and roof efficiency went from Very Poor to Good; while lighting dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.

At 86 m² the property is well over the postcode median (64 m² across 16 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £155,000 sits 68.5% above the 2018 sale of £92,000. Last sold in April 2018, so it's been off the market for around 8 years.

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
  • EnsuiteYes

Outside

  • Private gardenYes

Building

  • Central heatingYes
Before you decide

Everything you need to know about 18 Caerphilly Avenue

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

Larger development activity nearby

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 2)
Jan 2018

EPC Rating

A
B
C
D
D57
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Average
CO2 Emissions
4.4 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jan 2018from Apr 2014
EPC improved fromE39toD57
Heating Controls
ThermostatProg + Stat

Heating controls upgraded for better temperature management

Walls
PoorGood

Wall insulation improved

Roof Insulation
UninsulatedWell Insulated

Loft insulation installed or upgraded to 250mm+

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th centurySemi-Detached 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.

From £495 · Includes VAT

Planning

Planning history

Applications and permits filed against 18 Caerphilly Avenue, Bonymaen, Swansea, SA1 7HY, sourced from the PlanIt planning register.

18 Caerphilly Avenue has no planning applications on record.

3

But the area is active

3 notable applications 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.
Current estimate

£155,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2018)

£92,000

Recorded with HM Land Registry.

Sales timeline

  1. 26 April 2018Most recent

    £92,000

Median price across the last 2 sales in SA1 7HY: £47,408 (2020–1999).

On the street

Versus other Caerphilly Avenue homes

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

CO₂ Emissions for 18 Caerphilly Avenue lags the street by a wide margin.

EPC Rating

57 (D)

Street avg 65 (D)

Strongly below

Floor Area

86 m²

Street avg 76 m²

Above

CO₂ Emissions

4.4 t/year

Street avg 3.0 t/year

Strongly below

Habitable Rooms

5 rooms

Street avg 4 rooms

Strongly above
Before you decide

Everything you need to know about 18 Caerphilly Avenue

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

Larger development activity nearby

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.
£237k

1 Ffordd Donaldson, Copper Quarter, Pentrechwyth

SA1 7FJ

3 bed2 bath
£148k

1 Bryn Morfa, Winch Wen

SA1 7LH

2 bed1 bath
£165k

1 Bronllan, Winch Wen

SA1 7EQ

2 bed1 bath
£201k

1 Bellerphon Court, Copper Quarter, Pentrechwyth

SA1 7FS

2 bed1 bath
£102k

1 Britannia Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7FG

Flat1 bed
£144k

1 Aeron Place, Bonymaen

SA1 7BY

£170k

1 Bryn Helyg, Winch Wen

SA1 7LP

£141k

1 Buckingham Road, Bonymaen

SA1 7AL

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.
Full Swansea report

Crime

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Cefn Hengoed School — 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 18 Caerphilly Avenue, Bonymaen, Swansea, SA1 7HY. Each answer is also embedded as structured data for search engines.