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20 St Illtyds Crescent, St Thomas, Swansea, SA1 8HR

Property type
Semi-detached
Habitable rooms
4
From EPC
Floor area
79 m²
850 sq ft
Energy rating
E
Score 41
Council tax
Band C
Tenure
Owner Occupied
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Overview

About 20 St Illtyds Crescent

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

20 St Illtyds Crescent is a semi-detached house in St. Thomas, Swansea, Swansea (SA1 8HR). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (July 2019) shows an E (score 41), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump.

Today's modelled estimate of £177,000 sits 65.4% above the 2020 sale of £107,000. On a £-per-square-foot basis, the last sale (£126/sq ft) was about 44.2% above the typical sold price in the postcode. Most recent transfer: March 2020 at £107,000.

Before you decide

Everything you need to know about 20 St Illtyds Crescent

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

Signs of HMO activity in the areaLarger development activity nearby

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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.

20 St Illtyds Crescent's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate
Jul 2019

EPC Rating

A
B
C
D
E
E41
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Average
CO2 Emissions
6.0 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 10 July 2029

2 years remaining
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Early 20th centurySemi-Detached HouseEPC E

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 20 St Illtyds Crescent, St Thomas, Swansea, SA1 8HR, sourced from the PlanIt planning register.

20 St Illtyds Crescent has no planning applications on record.

47

But the area is active

47 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.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£177,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2020)

£107,000

Recorded with HM Land Registry.

Sales timeline

  1. 20 March 2020Most recent

    £107,000

Median price across the last 5 sales in SA1 8HR: £175,000 (2025–2021).

On the street

Versus other St Illtyds Crescent homes

Four headline reads against 12 similar houses on this street, drawn from the latest EPC and Land Registry data.

20 St Illtyds Crescent is notably below the street on epc rating.

Price per m²

£1,354

Street avg £1,388

On par

Floor Area

79 m²

Street avg 95 m²

Below

Habitable Rooms

4 rooms

Street avg 5 rooms

Strongly below

CO₂ Emissions

6.0 t/year

Street avg 4.4 t/year

Strongly below
Before you decide

Everything you need to know about 20 St Illtyds Crescent

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 · 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.
£174k

1 Danygraig Road, Port Tennant

SA1 8LY

1 bed
£174k

1 Kilvey Terrace, St Thomas

SA1 8BA

2 bed
£181k

1 David Williams Terrace, Port Tennant

SA1 8NN

£173k

1 Glenroy Avenue, St Thomas

SA1 8DU

£186k

1 Gelli Grafog, Port Tennant

SA1 8NZ

£189k

1 Kinley Street, St Thomas

SA1 8HE

1 bed1 bath
£159k

1 Elba Crescent, Crymlyn Burrows

SA1 8QQ

£204k

1 Grafog Street, Port Tennant

SA1 8NG

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

580/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

St Illtyd's Crescent — 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 St Illtyds Crescent, St Thomas, Swansea, SA1 8HR. Each answer is also embedded as structured data for search engines.