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

Property type
Mid terrace
Habitable rooms
5
From EPC
Floor area
114 m²
1227 sq ft
Energy rating
C
Score 80
Council tax
Band C
Tenure
Owner Occupied
Overview

About 6 St Illtyds Crescent

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

6 St Illtyds Crescent is a mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8HR). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (March 2025) shows a C (score 80), near the top of the C band. When first surveyed in August 2016 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 90).

At 114 m² the property is well over the postcode median (86 m² across 12 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). It changed hands recently, sold September 2025 for £239,000. Across 2024–2025, sale prices on this property compounded at 68% per year. On a £-per-square-foot basis, the last sale (£195/sq ft) was about 132.2% above the typical sold price in the postcode.

Before you decide

Everything you need to know about 6 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 nearbyRecent ownership pattern worth a look

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.
Current Certificate(1 of 2)
Mar 2025

EPC Rating

A
B
C
C80
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.1 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Mar 2025from Aug 2016
EPC improved fromG9toC80
Heating System
Room HeatersGas Boiler

Upgraded to gas central heating

Heating Controls
ThermostatFull

Heating controls upgraded for better temperature management

Hot Water
Gas MultipointMain System

Hot water system upgraded

Windows
Mostly DoubleFull Double

Windows upgraded, improving insulation

Walls
Very PoorVery Good

Wall insulation improved

Roof Insulation
PartialWell Insulated

Loft insulation upgraded to recommended levels

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Low Energy Lighting
80%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC CPre-1919 build

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

From £885 · Includes VAT

Planning

Planning history

Applications and permits filed against 6 St Illtyds Crescent, St Thomas, Swansea, SA1 8HR, sourced from the PlanIt planning register.

6 St Illtyds Crescent has no planning applications on record.

53

But the area is active

53 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 6 St Illtyds Crescent was the highest on Land Registry record across the postcode.

Current estimate

£230,000

Modelled from EPC, postcode comparables and a sale-price growth of 68.0% per year over 1 year.

See how we calculated this
Last sold (2025)

£239,000

Growth on file: 68.0% per year over 1 year.

Sales timeline

  1. 11 September 2025Most recent

    £239,000

    +99.2%over 1 year

  2. 14 May 2024

    £120,000

Median price across the last 5 sales in SA1 8HR: £107,000 (2024–2017).

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.

On years held, 6 St Illtyds Crescent runs well behind the street norm.

Price per m²

£2,096

Street avg £1,314

Strongly above

Floor Area

114 m²

Street avg 92 m²

Strongly above

Habitable Rooms

5 rooms

Street avg 5 rooms

Above

CO₂ Emissions

2.1 t/year

Street avg 4.8 t/year

Strongly above
Before you decide

Everything you need to know about 6 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 nearbyRecent ownership pattern worth a look

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.
£218k

1 Elmhurst Crescent, St Thomas

SA1 8EA

3 bed1 bath
£211k

1 Gelli Grafog, Port Tennant

SA1 8NZ

£195k

1 David Williams Terrace, Port Tennant

SA1 8NN

£195k

1 Kinley Street, St Thomas

SA1 8HE

1 bed1 bath
£191k

1 Grafog Street, Port Tennant

SA1 8NG

£281k

1 Harbour View, St Thomas

SA1 8HW

£184k

1 Glenroy Avenue, St Thomas

SA1 8DU

£178k

1 Elba Crescent, Crymlyn Burrows

SA1 8QQ

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

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