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23 Llewellyn Circle, Mayhill, Swansea, SA1 6SN

Property type
Detached
Habitable rooms
8
From EPC
Floor area
238 m²
2562 sq ft
Energy rating
F
Score 23
Council tax
Band C
Tenure
Owner Occupied
Overview

About 23 Llewellyn Circle

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

23 Llewellyn Circle is a detached house in Mayhill, Swansea, Swansea (SA1 6SN). It has a recorded floor area of 238 m² (around 2562 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (May 2017) shows an F (score 23), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 73), a 3-band jump.

Held since March 2004 — that's 22 years off the open market, well above the local norm. At 238 m² the property is well over the postcode median (84 m² across 12 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £188,000 sits 342.4% above the 2004 sale of £42,500. On a £-per-square-foot basis, the last sale (£17/sq ft) was about 82% below the postcode norm.

Before you decide

Everything you need to know about 23 Llewellyn Circle

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

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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.

23 Llewellyn Circle sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.

EPC Rating

A
B
C
D
E
F
F23
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Poor
CO2 Emissions
21.0 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraDetached HouseEPC FPre-1919 buildExtended multiple times (2+ extensions)

Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 23 Llewellyn Circle, Mayhill, Swansea, SA1 6SN, sourced from the PlanIt planning register.

23 Llewellyn Circle 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.

23 Llewellyn Circle's modelled value sits at over four times its earliest registered sale price (2004).

Current estimate

£188,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2004)

£42,500

Recorded with HM Land Registry.

Sales timeline

  1. 18 March 2004Most recent

    £42,500

Median price across the last 5 sales in SA1 6SN: £107,000 (2023–2019).

On the street

Versus other Llewellyn Circle homes

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

On price per m², 23 Llewellyn Circle runs well behind the street norm.

Price per m²

£179

Street avg £1,164

Strongly below

Floor Area

238 m²

Street avg 86 m²

Strongly above

Habitable Rooms

8 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

21.0 t/year

Street avg 3.5 t/year

Strongly below
Before you decide

Everything you need to know about 23 Llewellyn Circle

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.
£210k

1 Brynffordd, Townhill

SA1 6RA

£165k

1 Bryn Y Clochydd, Townhill

SA1 6AW

3 bed1 bath
£161k

1 2, Flat 2, Brooklands Terrace

SA1 6BS

Flat
£159k

1 Campbell Street

SA1 6XY

£156k

1 2, Flat 1, Brooklands Terrace

SA1 6BS

Flat
£230k

1 2, Flat 2, St James Crescent

SA1 6DZ

Flat
£151k

1 Cadrawd Road, Mayhill

SA1 6UG

£148k

1 2, Flat 1, 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

0.1 km

Leakers Shops — 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 23 Llewellyn Circle, Mayhill, Swansea, SA1 6SN. Each answer is also embedded as structured data for search engines.