Skip to content
UK Property Looker

30 Gwili Terrace, Mayhill, Swansea, SA1 6TW

Estimated value

£143,000

  • Since the 2025 sale (£125,000)+14%
  • Against SA1 6TW's recent median (£105,000)+36%

Newest record on this page: August 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Habitable rooms
5
From EPC
Floor area
84 m²
904 sq ft
Energy rating
D
Score 63
Council tax
Band A
Tenure
Owner Occupied
Get directions (opens in a new tab)
Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£143,000

  • Against its 2025 sale (£125,000)+14%
  • Against SA1 6TW's recent median (£105,000)+36%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 30 Gwili Terrace is modelled from its 84 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in SA1 6TW. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    84 m² from the EPC lodged in November 2024

  • Sales of this home

    1 sale recorded, the latest in 2025

  • Recent sales in SA1 6TW

    5 sales, median £105,000 (2025–2019)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: August 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

30 Gwili Terrace valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 30 April 2025Most recent

    £125,000

Median price across the last 5 sales in SA1 6TW: £105,000 (2025–2019).

Risks

What this page doesn't show

1 potential issue has already been flagged for 30 Gwili Terrace, Mayhill, Swansea, SA1 6TW. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 30 Gwili Terrace

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

30 Gwili Terrace is a semi-detached house in Mayhill, Swansea, Swansea (SA1 6TW). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (November 2024) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump.

Most recent transfer was April 2025 at £125,000 — fresh data. At 84 m² it's 16.7% larger than the typical home in the postcode (72 m² median across 27 EPCs). Today's modelled estimate of £143,000 is 14.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 58.8% above the typical sold price in the postcode.

Before you decide

Everything you need to know about 30 Gwili Terrace

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.

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

Current Certificate
Nov 2024

EPC Rating

A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.5 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 8 November 2034

7 years remaining
Planning

Planning history

Applications and permits filed against 30 Gwili Terrace, Mayhill, Swansea, SA1 6TW, sourced from the PlanIt planning register.

30 Gwili Terrace 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.

On the street

Versus other Gwili Terrace homes

Four headline reads against 27 similar houses on this street, drawn from the latest EPC and Land Registry data.

On price per m², 30 Gwili Terrace stands well clear of the street.

Price per m²

£1,488

Street avg £1,007

Strongly above

Floor Area

84 m²

Street avg 76 m²

Strongly above

Habitable Rooms

5 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

3.5 t/year

Street avg 3.5 t/year

On par
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

Gors Avenue — bus stop.

Nearest stops

  • Gors AvenueBus stop59m
  • Townhill RoadBus stop91m
  • Mayhill TurnBus stop149m
  • Emlyn RoadBus stop154m

Most reported crime locally

  • Violence & Sexual Offences3,276 reports35%
  • Anti-social Behaviour1,210 reports13%
  • Shoplifting1,135 reports12%
  • Public Order981 reports11%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

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

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£143k

1 2, Flat 4, Brooklands Terrace

SA1 6BS

Flat
£142k

1 2, Flat 5, Brooklands Terrace

SA1 6BS

Flat
£147k

1 Cadrawd Road, Mayhill

SA1 6UG

£139k

1 2, Flat 8, Brooklands Terrace

SA1 6BS

Flat
£138k

1 Baptist Well Place

SA1 6FD

£136k

1 2, Flat 6, St James Crescent

SA1 6DZ

Flat
£136k

1 Berw Road, Mayhill

SA1 6UD

£134k

1 2, Flat 3, St James Crescent

SA1 6DZ

Flat

Property research, connected

Get up to date data on unlimited properties per month

Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.

Start your research
Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 30 Gwili Terrace is modelled from its 84 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in SA1 6TW. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 1 sale is recorded for 30 Gwili Terrace. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 30 Gwili Terrace was lodged in November 2024 at band D and is valid until November 2034. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 30 Gwili Terrace. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 16 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from SA1 6TW.
Council tax band
30 Gwili Terrace is in council tax band A. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 30 Gwili Terrace, Mayhill, Swansea, SA1 6TW. Each answer is also embedded as structured data for search engines.

Know this home? Think our valuation is wrong?

Leave a note for other visitors about work done or anything the records miss, and say what you think it's worth. It takes about two minutes.

Keep exploring