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1 Eigen Crescent, Mayhill, Swansea, SA1 6LB

EPC B
Property type
Semi-detached
Habitable rooms
4
From EPC
Floor area
90 m²
969 sq ft
Energy rating
B
Score 89
Council tax
Band A
Tenure
Owner Occupied
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Overview

About 1 Eigen Crescent

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

1 Eigen Crescent is a semi-detached house in Mayhill, Swansea, Swansea (SA1 6LB). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (May 2026) returns a high B (score 89), putting the home a stone's throw from an A rating. When first surveyed in January 2014 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good and roof efficiency went from Average to Good; while hot-water efficiency dropped from Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.

At 90 m² it's 26.3% larger than the typical home in the postcode (71 m² median across 22 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £156,000 sits 160% above the 2014 sale of £59,995. On a £-per-square-foot basis, the last sale (£62/sq ft) was about 31% below the postcode norm. 12 years since the last transfer (April 2014).

Before you decide

Everything you need to know about 1 Eigen Crescent

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

Signs of HMO activity in the area

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
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

1 Eigen Crescent ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 4)
May 2026

EPC Rating

A
B
B89
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Average
CO2 Emissions
1.0 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 7 May 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

May 2020from Apr 2014
EPC improved fromD62toC71
Windows
Full DoubleTriple

Windows upgraded to triple glazing

Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Roof
AverageGood

Roof insulation improved

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

May 2026from May 2020
EPC improved fromC71toB89
Hot Water
Main SystemSolar

Hot water system upgraded

Ventilation
NaturalMVHR

MVHR (mechanical ventilation with heat recovery) installed

Renewable Energy
NoneSolar HW

Solar water heating installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centurySemi-Detached HouseEPC BExtended multiple times (2+ extensions)Solid (non-cavity) walls

Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 1 Eigen Crescent, Mayhill, Swansea, SA1 6LB, sourced from the PlanIt planning register.

1 Eigen Crescent has no planning applications on record.

61

But the area is active

61 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.

1 Eigen Crescent valuation sits well clear of the typical sold price in this postcode.

Current estimate

£156,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2014)

£59,995

Recorded with HM Land Registry.

Sales timeline

  1. 16 April 2014Most recent

    £59,995

Median price across the last 5 sales in SA1 6LB: £110,000 (2025–2021).

On the street

Versus other Eigen Crescent homes

Four headline reads against 22 similar houses on this street, drawn from the latest EPC and Land Registry data.

On epc rating, 1 Eigen Crescent stands well clear of the street.

Price per m²

£667

Street avg £1,255

Strongly below

Floor Area

90 m²

Street avg 69 m²

Strongly above

Habitable Rooms

4 rooms

Street avg 4 rooms

Above

CO₂ Emissions

1.0 t/year

Street avg 3.1 t/year

Strongly above
Before you decide

Everything you need to know about 1 Eigen Crescent

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

Signs of HMO activity in the area

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.
£155k

1 Bryn Y Clochydd, Townhill

SA1 6AW

3 bed1 bath
£154k

1 2, Flat 2, Brooklands Terrace

SA1 6BS

Flat
£163k

1 2, Flat 1, Brooklands Terrace

SA1 6BS

Flat
£163k

1 Campbell Street

SA1 6XY

£164k

1 2, Flat 1, St James Crescent

SA1 6DZ

Flat
£147k

1 Cadrawd Road, Mayhill

SA1 6UG

£143k

1 2, Flat 4, 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

580/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Teilo 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 1 Eigen Crescent, Mayhill, Swansea, SA1 6LB. Each answer is also embedded as structured data for search engines.