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

Property type
Semi-detached
Habitable rooms
4
From EPC
Floor area
64 m²
689 sq ft
Energy rating
D
Score 57
Council tax
Band C
Tenure
Owner Occupied
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Overview

About 11 Glenroy Avenue

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

11 Glenroy Avenue is a semi-detached house in St. Thomas, Swansea, Swansea (SA1 8DU). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (July 2026) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since February 2016. Between certificates, wall efficiency went from Poor to Average and lighting went from Good to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 86), a 2-band jump. This certificate was lodged in the last six months, so the rating reflects current condition.

Across 1997–2017, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £167,000 is 41.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 35.8% above the typical sold price in the postcode. On the market in August 2017 and unlisted since — roughly 9 years. At 64 m² it's 20.5% smaller than the typical home in the postcode (81 m² median across 18 EPCs).

Before you decide

Everything you need to know about 11 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 · 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(1 of 2)
Jul 2026

EPC Rating

A
B
C
D
D57
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.4 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 29 July 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Jul 2026from Feb 2016
Wall Insulation
UninsulatedPartial Insulation

Wall insulation upgraded

Low Energy Lighting
50%100%

More low energy lighting installed

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

11 Glenroy Avenue has no planning applications on record.

47

But the area is active

47 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.

11 Glenroy Avenue has more than tripled in price since its earliest registered sale in 1997.

Current estimate

£167,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 20 years.

See how we calculated this
Last sold (2017)

£118,000

Growth on file: 6.8% per year over 20 years.

Sales timeline

  1. 13 August 2017Most recent

    £118,000

    +268.8%over 19 years

  2. 11 November 1997

    £32,000

Median price across the last 5 sales in SA1 8DU: £140,000 (2025–2018).

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.

11 Glenroy Avenue is notably below the street on floor area.

Price per m²

£1,844

Street avg £1,356

Above

Floor Area

64 m²

Street avg 81 m²

Strongly below

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

3.4 t/year

Street avg 4.1 t/year

Above
Before you decide

Everything you need to know about 11 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 · 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.
£173k

1 Glenroy Avenue, St Thomas

SA1 8DU

£174k

1 Danygraig Road, Port Tennant

SA1 8LY

1 bed
£174k

1 Kilvey Terrace, St Thomas

SA1 8BA

2 bed
£159k

1 Elba Crescent, Crymlyn Burrows

SA1 8QQ

£181k

1 David Williams Terrace, Port Tennant

SA1 8NN

£153k

1 Llys Hafan, Lamberts Road

SA1 8QH

£152k

1 Bay View, St Thomas

SA1 8BB

£152k

1 Beaumont Crescent, St Thomas

SA1 8DW

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

580/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 11 Glenroy Avenue, St Thomas, Swansea, SA1 8DU. Each answer is also embedded as structured data for search engines.