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11 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA

Property type
End terrace
Floor 02
Habitable rooms
2
From EPC
Floor area
38 m²
409 sq ft
Energy rating
C
Score 75
Council tax
Band C
Tenure
Owner Occupied
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Overview

About 11 Sirius Apartments

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

11 Sirius Apartments is an end-of-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7GA). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (March 2025) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since March 2014. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 86). Main heating runs on electricity. At 38 m² this is the 8th smallest of 38 units on EPC record in the building, where floor areas span 34–81 m². The building's EPC ratings span D to B across 38 units on file.

A recent sale: £85,000 in September 2025. Across 2014–2025, sale prices on this property compounded at -1.1% per year. Today's modelled estimate of £110,000 is 29.4% above the 2025 sale price.

Before you decide

Everything you need to know about 11 Sirius Apartments

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

Larger development activity nearby

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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.

11 Sirius Apartments's carbon output is low for the local stock.

Current Certificate(1 of 2)
Mar 2025

EPC Rating

A
B
C
C75
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Good
CO2 Emissions
1.3 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 22 March 2035

8 years remaining

Property Improvements

Changes detected from historical EPC data

Mar 2025from Mar 2014
Hot Water
ImmersionMain System

Hot water system upgraded

SDL Surveying

Get a survey for this property

Level 3 Building Survey

21st century2nd Floor FlatEPC CNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 11 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA, sourced from the PlanIt planning register.

11 Sirius Apartments has no planning applications on record.

3

But the area is active

3 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 Sirius Apartments's sale-price growth has lagged the wider UK trajectory across its history on file.

Current estimate

£110,000

Modelled from EPC, postcode comparables and a sale-price growth of -1.1% per year over 11 years.

See how we calculated this
Last sold (2025)

£85,000

Growth on file: -1.1% per year over 11 years.

Sales timeline

  1. 18 September 2025Most recent

    £85,000

    -11.5%over 11 years

  2. 24 April 2014

    £96,000

Median price across the last 5 sales in SA1 7GA: £95,000 (2025–2024).

On the street

Versus other Phoebe Road homes

Four headline reads against 37 similar flats on this street, drawn from the latest EPC and Land Registry data.

Years Held for 11 Sirius Apartments lags the street by a wide margin.

Price per m²

£2,237

Street avg £2,410

Below

Floor Area

38 m²

Street avg 49 m²

Below

Habitable Rooms

2 rooms

Street avg 2 rooms

Below

CO₂ Emissions

1.3 t/year

Street avg 1.4 t/year

On par

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Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£110k

1 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7GA

Flat1 bed1 bath
£111k

1 Neptune Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7FL

Flat1 bed1 bath
£111k

10 Victory Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7FD

Flat
£111k

12 Prince Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7FZ

Flat
£109k

11 Orion Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7FX

Flat
£109k

12 Royal Sovereign Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7FH

Flat1 bed1 bath
£108k

1 Prince Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7FZ

Flat1 bed1 bath
£108k

10 Orion Apartments, Phoebe Road, Copper Quarter, Pentrechwyth

SA1 7FX

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

580/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Morfa Retail Park — 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 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA. Each answer is also embedded as structured data for search engines.