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12 Islwyn Road, Mayhill, Swansea, SA1 6SS

Notable views
Property type
End terrace
Bedrooms
3
Bathroom
1
Floor area
70 m²
753 sq ft
Energy rating
D
Score 63
Council tax
Band B
Tenure
Owner Occupied
Overview

About 12 Islwyn Road

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

12 Islwyn Road is a three-bedroom end-of-terrace house in Mayhill, Swansea, Swansea (SA1 6SS). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (April 2018) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. Other recorded features include notable views and outbuildings.

Across 2018–2023, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £149,000 is 12.9% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 121.3% above the typical sold price in the postcode. Sold November 2023 for £132,000.

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

Outside

  • ParkingYes
  • OutbuildingsYes
  • Notable viewsYes
Before you decide

Everything you need to know about 12 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.

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

EPC Rating

A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
3.0 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraEnd-Terrace HouseEPC DPre-1919 buildPermanent outbuildings

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

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 12 Islwyn Road, Mayhill, Swansea, SA1 6SS, sourced from the PlanIt planning register.

12 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.

Latest sale on 12 Islwyn Road was the highest on Land Registry record across the postcode.

Current estimate

£149,000

Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 5 years.

See how we calculated this
Last sold (2023)

£132,000

Growth on file: 8.3% per year over 5 years.

Sales timeline

  1. 7 November 2023Most recent

    £132,000

    +49.2%over 5 years

  2. 25 October 2018

    £88,500

Median price across the last 5 sales in SA1 6SS: £82,000 (2024–2017).

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.

12 Islwyn Road outperforms the street on price per m² by a wide margin.

Price per m²

£1,886

Street avg £1,014

Strongly above

Floor Area

70 m²

Street avg 70 m²

On par

Habitable Rooms

4 rooms

Street avg 4 rooms

On par

CO₂ Emissions

3.0 t/year

Street avg 2.9 t/year

Below
Before you decide

Everything you need to know about 12 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.
£165k

1 Bryn Y Clochydd, Townhill

SA1 6AW

3 bed1 bath
£135k

1 Bryn Y Don Road

SA1 6YA

2 bed1 bath
£148k

1 2, Flat 1, St James Crescent

SA1 6DZ

Flat
£151k

1 Cadrawd Road, Mayhill

SA1 6UG

£144k

1 2, Flat 4, Brooklands Terrace

SA1 6BS

Flat
£143k

1 Carig Crescent, Mayhill

SA1 6TQ

£156k

1 2, Flat 1, Brooklands Terrace

SA1 6BS

Flat
£142k

1 2, Flat 5, Brooklands Terrace

SA1 6BS

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