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18 Glenroy Avenue, St Thomas, Swansea, SA1 8DU

Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
77 m²
829 sq ft
Energy rating
D
Score 64
Council tax
Band C
Tenure
Owner Occupied
Overview

About 18 Glenroy Avenue

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

18 Glenroy Avenue is a three-bedroom semi-detached house in St. Thomas, Swansea, Swansea (SA1 8DU). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (April 2025) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump.

It changed hands recently, sold November 2025 for £142,000. Across 1998–2025, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £175,000 is 23.2% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 45.3% above the typical sold price in the postcode.

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
Before you decide

Everything you need to know about 18 Glenroy Avenue

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.

EPC Rating

A
B
C
D
D64
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.2 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 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 18 Glenroy Avenue, St Thomas, Swansea, SA1 8DU, sourced from the PlanIt planning register.

18 Glenroy Avenue has no planning applications on record.

53

But the area is active

53 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 1998.

Current estimate

£175,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 28 years.

See how we calculated this
Last sold (2025)

£142,000

Growth on file: 4.6% per year over 28 years.

Sales timeline

  1. 14 November 2025Most recent

    £142,000

    +246.8%over 27 years

  2. 27 February 1998

    £40,950

Median price across the last 5 sales in SA1 8DU: £122,000 (2024–2017).

On the street

Versus other Glenroy Avenue homes

Four headline reads against 18 similar houses on this street, drawn from the latest EPC and Land Registry data.

Years Held for 18 Glenroy Avenue lags the street by a wide margin.

Price per m²

£1,844

Street avg £1,299

Strongly above

Floor Area

77 m²

Street avg 81 m²

Below

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

3.2 t/year

Street avg 4.1 t/year

Above
Before you decide

Everything you need to know about 18 Glenroy Avenue

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.
£218k

1 Elmhurst Crescent, St Thomas

SA1 8EA

3 bed1 bath
£172k

1 Kilvey Terrace, St Thomas

SA1 8BA

2 bed
£148k

1 Balaclava Street, St Thomas

SA1 8BS

4 bed1 bath
£169k

1 Danygraig Road, Port Tennant

SA1 8LY

1 bed
£195k

1 Kinley Street, St Thomas

SA1 8HE

1 bed1 bath
£178k

1 Elba Crescent, Crymlyn Burrows

SA1 8QQ

£172k

1 Bay View, St Thomas

SA1 8BB

£184k

1 Glenroy Avenue, St Thomas

SA1 8DU

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

Rail-style transport is unusually close for this postcode.

Crime

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Grenfell Park Post Office — 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 18 Glenroy Avenue, St Thomas, Swansea, SA1 8DU. Each answer is also embedded as structured data for search engines.