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21 Gwili Terrace, Mayhill, Swansea, SA1 6TW

Property type
Mid terrace
Habitable rooms
4
From EPC
Floor area
70 m²
753 sq ft
Energy rating
C
Score 70
Council tax
Band A
Tenure
Social Rental
Overview

About 21 Gwili Terrace

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

21 Gwili Terrace is a mid-terrace house in Mayhill, Swansea, Swansea (SA1 6TW). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (June 2016) shows a C (score 70). The recommended improvements would push it to B (score 88). The latest certificate is from June 2016, so improvements made since then won't be reflected.

Before you decide

Everything you need to know about 21 Gwili Terrace

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

Signs of HMO activity in the areaLarger development activity nearby

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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.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 05 Jun 2026

EPC Rating

A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.3 t/year
Occupancy
Rented
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Early 20th centuryMid-Terrace HouseEPC C

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 Gwili Terrace, Mayhill, Swansea, SA1 6TW, sourced from the PlanIt planning register.

21 Gwili Terrace 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.

21 Gwili Terrace has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£125,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in SA1 6TW: £120,000 (2025–2021).

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.

21 Gwili Terrace outperforms the street on co₂ emissions by a wide margin.

EPC Rating

70 (C)

Street avg 63 (D)

Above

Floor Area

70 m²

Street avg 77 m²

Below

CO₂ Emissions

2.3 t/year

Street avg 3.5 t/year

Above

Habitable Rooms

4 rooms

Street avg 4 rooms

Below
Before you decide

Everything you need to know about 21 Gwili Terrace

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.
£126k

1 Bryn Syfi Terrace

SA1 6XN

£127k

1 2, Flat 7, Brooklands Terrace

SA1 6BS

Flat
£123k

1 Cadwaladr Circle, Mayhill

SA1 6UB

£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
£133k

1 2, Flat 3, St James Crescent

SA1 6DZ

Flat
£134k

1 Alun Road, Mayhill

SA1 6UE

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

Gors Avenue — 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 Gwili Terrace, Mayhill, Swansea, SA1 6TW. Each answer is also embedded as structured data for search engines.