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41 Eigen Crescent, Mayhill, Swansea, SA1 6LB

Extendable
Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
72 m²
775 sq ft
Energy rating
E
Score 47
Council tax
Band A
Tenure
Freehold
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Overview

About 41 Eigen Crescent

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

41 Eigen Crescent is a three-bedroom semi-detached house in Mayhill, Swansea, Swansea (SA1 6LB). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1930-1949 and council tax band A. Tenure is freehold. The latest certificate (May 2026) shows an E (score 47), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2022); the latest reading is one band lower. Between certificates, wall efficiency went from Average to Very Good and window efficiency went from Average to Good; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Very Poor. The recommended improvements would push it to D (score 66). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. Our model identifies extension potential, subject to local planning policy.

Today's modelled estimate of £136,000 sits 65.9% above the 2023 sale of £82,000. On a £-per-square-foot basis, the last sale (£106/sq ft) was about 21.4% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Most recent transfer: February 2023 at £82,000.

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

  • Private gardenSouth-facing
  • GarageYes

Building

  • TenureFreehold
  • ConciergeYes
  • Extension potentialPossible
Before you decide

Everything you need to know about 41 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.

41 Eigen Crescent's carbon output is low for the local stock.

Current Certificate(1 of 2)
May 2026

EPC Rating

A
B
C
D
E
E47
F
G
Main Heating
Electric & Gas
Main Fuel
Electric
Hot Water
Very Poor
Windows
Good
CO2 Emissions
1.0 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 14 May 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

May 2026from Oct 2022
EPC improved fromD66toE47
Main Fuel
GasElectric

Changed to a more efficient fuel source

Hot Water
Main SystemInstantaneous

Hot water system changed

Windows
Full DoubleHigh Performance

High performance glazing installed

Walls
AverageVery Good

Wall insulation improved

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centurySemi-Detached HouseFreeholdEPC ENo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 41 Eigen Crescent, Mayhill, Swansea, SA1 6LB, sourced from the PlanIt planning register.

41 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.

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

Current estimate

£136,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2023)

£82,000

Recorded with HM Land Registry.

Sales timeline

  1. 23 February 2023Most recent

    £82,000

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.

41 Eigen Crescent outperforms the street on co₂ emissions by a wide margin.

Price per m²

£1,139

Street avg £1,212

On par

Floor Area

72 m²

Street avg 70 m²

On par

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 41 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
£130k

1 Bryn Y Don Road

SA1 6YA

2 bed1 bath
£136k

1 2, Flat 6, St James Crescent

SA1 6DZ

Flat
£136k

1 Berw Road, Mayhill

SA1 6UD

£138k

1 Baptist Well Place

SA1 6FD

£134k

1 2, Flat 3, St James Crescent

SA1 6DZ

Flat
£139k

1 2, Flat 8, Brooklands Terrace

SA1 6BS

Flat
£133k

1 Carig Crescent, Mayhill

SA1 6TQ

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