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20 Islwyn Road, Mayhill, Swansea, SA1 6SS

Property type
Semi-detached
Habitable rooms
4
From EPC
Floor area
72 m²
775 sq ft
Energy rating
C
Score 72
Council tax
Band B
Tenure
Social Rental
Overview

About 20 Islwyn Road

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

20 Islwyn Road is a semi-detached house in Mayhill, Swansea, Swansea (SA1 6SS). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (April 2025) shows a C (score 72). The recommended improvements would push it to B (score 87).

Before you decide

Everything you need to know about 20 Islwyn Road

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

Signs of HMO activity in the areaLarger 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.

EPC Rating

A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.0 t/year
Occupancy
Rented
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraSemi-Detached HouseEPC CPre-1919 build

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

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 20 Islwyn Road, Mayhill, Swansea, SA1 6SS, sourced from the PlanIt planning register.

20 Islwyn Road has no planning applications on record.

64

But the area is active

64 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.

20 Islwyn Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£131,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in SA1 6SS: £100,000 (2024–2019).

On the street

Versus other Islwyn Road homes

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

CO₂ Emissions for 20 Islwyn Road runs comfortably ahead of the street norm.

EPC Rating

72 (C)

Street avg 64 (D)

Above

Floor Area

72 m²

Street avg 70 m²

Above

CO₂ Emissions

2.0 t/year

Street avg 3.0 t/year

Strongly above

Habitable Rooms

4 rooms

Street avg 4 rooms

On par
Before you decide

Everything you need to know about 20 Islwyn Road

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

Signs of HMO activity in the areaLarger 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.
£131k

1 2, Flat 6, St James Crescent

SA1 6DZ

Flat
£130k

1 2, Flat 3, Brooklands Terrace

SA1 6BS

Flat
£130k

1 Caradog Place, Townhill

SA1 6NH

£133k

1 2, Flat 3, St James Crescent

SA1 6DZ

Flat
£134k

1 Alun Road, Mayhill

SA1 6UE

£135k

1 Bryn Y Don Road

SA1 6YA

2 bed1 bath
£127k

1 2, Flat 7, Brooklands Terrace

SA1 6BS

Flat
£136k

1 2, Flat 5, St James Crescent

SA1 6DZ

Flat
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

0.0 km

Islwyn Road — 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 20 Islwyn Road, Mayhill, Swansea, SA1 6SS. Each answer is also embedded as structured data for search engines.