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21 Osterley Street, St Thomas, Swansea, SA1 8HJ

Property type
End terrace
Habitable rooms
5
From EPC
Floor area
116 m²
1249 sq ft
Energy rating
E
Score 46
Council tax
Band C
Tenure
Owner Occupied
Overview

About 21 Osterley Street

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

21 Osterley Street is an end-of-terrace house in St. Thomas, Swansea, Swansea (SA1 8HJ). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (August 2014) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump. The latest certificate is from August 2014, so improvements made since then won't be reflected.

At 116 m² the property is well over the postcode median (88 m² across 20 EPCs), placing it in the larger end of the local stock.

Before you decide

Everything you need to know about 21 Osterley Street

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.

21 Osterley Street's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 05 Aug 2024

EPC Rating

A
B
C
D
E
E46
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
6.5 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraEnd-Terrace HouseEPC EPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Osterley Street, St Thomas, Swansea, SA1 8HJ, sourced from the PlanIt planning register.

21 Osterley Street 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.

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

Current estimate

£150,000

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 8HJ: £120,000 (2025–2024).

On the street

Versus other Osterley Street homes

Four headline reads against 20 similar houses on this street, drawn from the latest EPC and Land Registry data.

On floor area, 21 Osterley Street stands well clear of the street.

EPC Rating

46 (E)

Street avg 52 (E)

Below

Floor Area

116 m²

Street avg 90 m²

Strongly above

CO₂ Emissions

6.5 t/year

Street avg 5.4 t/year

Below

Habitable Rooms

5 rooms

Street avg 4 rooms

Strongly above
Before you decide

Everything you need to know about 21 Osterley Street

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.
£148k

1 Balaclava Street, St Thomas

SA1 8BS

4 bed1 bath
£154k

1 Beaumont Crescent, St Thomas

SA1 8DW

£143k

1 Bay Street, Port Tennant

SA1 8LB

£139k

1 George Powell House, Balaclava Street, St Thomas

SA1 8BR

£164k

1 Llys Hafan, Lamberts Road

SA1 8QH

£169k

1 Danygraig Road, Port Tennant

SA1 8LY

1 bed
£131k

1 Grenfell Park Road, St Thomas

SA1 8EY

£172k

1 Bay View, St Thomas

SA1 8BB

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

Jersey 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 21 Osterley Street, St Thomas, Swansea, SA1 8HJ. Each answer is also embedded as structured data for search engines.