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12 St Helens Avenue, Swansea, SA1 4ND

1 planning record
Property type
Mid terrace
Habitable rooms
7
From EPC
Floor area
157 m²
1690 sq ft
Energy rating
D
Score 61
Council tax
Band E
Tenure
Private Rental
Overview

About 12 St Helens Avenue

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

12 St Helens Avenue is a mid-terrace house in Swansea (SA1 4ND). It has a recorded floor area of 157 m² (around 1690 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (May 2022) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in August 2011 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Very Poor to Good and hot-water efficiency went from Poor to Good. The recommended improvements would lift it to B (score 83), a 2-band jump.

Today's modelled estimate of £266,000 sits 79.1% above the 2011 sale of £148,500. One planning record on file: an extension approved in 2012. Past consents include an extension, meaningful when judging how the property has evolved. On the market in November 2011 and unlisted since — roughly 15 years.

Before you decide

Everything you need to know about 12 St Helens Avenue

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

Signs of HMO activity in the area

Pick your report · every report is £14.99

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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.

12 St Helens Avenue's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)
May 2022

EPC Rating

A
B
C
D
D61
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
6.3 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

May 2022from Aug 2011
EPC improved fromG18toD61
Heating Controls
Prog + StatProg + TRVs

Heating controls changed

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Windows
Partial DoubleFull Double

Windows upgraded, improving insulation

Roof Insulation
UninsulatedInsulated

Roof insulation improved

Low Energy Lighting
56%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC DPre-1919 build

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

From £885 · Includes VAT

Planning

Planning history

Applications and permits filed against 12 St Helens Avenue, Swansea, SA1 4ND, sourced from the PlanIt planning register.

12 St Helens Avenue has an approved single-storey rear extension on the planning record.

1 application on record at 12 St Helens Avenue, Swansea, SA1 4ND

1decisions1extensions5documents44nearby
  1. Feb 2012
    ExtensionFull
    Outcome in report

    Extension: Single storey · Rear of property

    Single storey rear extension

    Documents
    5 docs on file
    Reference
    2012/0065
    Full record in report

Unlock 12 St Helens Avenue, Swansea, SA1 4ND's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full, plus 44 notable nearby
  • The 5 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

12 St Helens Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£266,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2011)

£148,500

Recorded with HM Land Registry.

Sales timeline

  1. 4 November 2011Most recent

    £148,500

Median price across the last 5 sales in SA1 4ND: £252,000 (2025–2020).

On the street

Versus other St Helens Avenue homes

Four headline reads against 26 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m²

£946

Street avg £1,135

Below

Floor Area

157 m²

Street avg 150 m²

Above

Habitable Rooms

7 rooms

Street avg 7 rooms

On par

CO₂ Emissions

6.3 t/year

Street avg 7.0 t/year

On par
Before you decide

Everything you need to know about 12 St Helens Avenue

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

Signs of HMO activity in the area

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.
£262k

1 Victoria Terrace

SA1 4LS

3 bed2 bath
£272k

1 St Helens Avenue

SA1 4ND

£281k

1 Bryn Y Mor Crescent

SA1 4QT

£243k

10 Bay View Crescent

SA1 4LP

£292k

1 Nyanza Terrace

SA1 4QQ

£300k

1 Bay View Crescent

SA1 4LP

1 bed
£231k

1 Russell Street

SA1 4HR

£228k

1 Westbury Street

SA1 4JN

5 bed1 bath
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

St Helens Crescent — 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 12 St Helens Avenue, Swansea, SA1 4ND. Each answer is also embedded as structured data for search engines.