Skip to content
UK Property Looker

21 Eigen Crescent, Mayhill, Swansea, SA1 6LB

4 sales on record
Property type
Semi-detached
Bedrooms
2
Bathroom
1
Floor area
58 m²
624 sq ft
Energy rating
D
Score 55
Council tax
Band A
Tenure
Owner Occupied
Overview

About 21 Eigen Crescent

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

21 Eigen Crescent is a two-bedroom semi-detached house in Mayhill, Swansea, Swansea (SA1 6LB). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (February 2025) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since April 2012. Between certificates, roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 88), a 2-band jump.

Most recent transfer was October 2025 at £112,000 — fresh data. Across the public record there are 4 sales, relatively high churn for a single property. Across 2004–2025, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £127,000 is 13.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£179/sq ft) was about 109.9% above the typical sold price in the postcode. At 58 m² it's 19.2% smaller than the typical home in the postcode (72 m² median across 22 EPCs).

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

  • Bedrooms2
  • Bathrooms1

Outside

  • Private gardenRear

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 21 Eigen 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 · 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.

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate(1 of 2)
Feb 2025

EPC Rating

A
B
C
D
D55
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.5 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Feb 2025from Apr 2012
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Early 20th centurySemi-Detached HouseEPC D

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 21 Eigen Crescent, Mayhill, Swansea, SA1 6LB, sourced from the PlanIt planning register.

21 Eigen Crescent 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.

Sale price has grown by over 3x since 2004.

Current estimate

£127,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 21 years.

See how we calculated this
Last sold (2025)

£112,000

Growth on file: 6.4% per year over 21 years.

Sales timeline

  1. 29 October 2025Most recent

    £112,000

    +31.8%over 3 years

  2. 17 December 2021

    £85,000

    +10.4%over 14 years

  3. 9 July 2007

    £77,000

    +156.7%over 2 years

  4. 29 July 2004

    £30,000

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.

Years Held for 21 Eigen Crescent lags the street by a wide margin.

Price per m²

£1,931

Street avg £1,146

Strongly above

Floor Area

58 m²

Street avg 70 m²

Below

Habitable Rooms

3 rooms

Street avg 4 rooms

Strongly below

CO₂ Emissions

3.5 t/year

Street avg 3.1 t/year

Below
Before you decide

Everything you need to know about 21 Eigen 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 · 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.
£135k

1 Bryn Y Don Road

SA1 6YA

2 bed1 bath
£165k

1 Bryn Y Clochydd, Townhill

SA1 6AW

3 bed1 bath

1 Bullins Lane

SA1 6BZ

2 bed
£127k

1 2, Flat 7, Brooklands Terrace

SA1 6BS

Flat
£126k

1 Bryn Syfi Terrace

SA1 6XN

£130k

1 2, Flat 3, Brooklands Terrace

SA1 6BS

Flat
£130k

1 Caradog Place, Townhill

SA1 6NH

£131k

1 2, Flat 6, 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

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