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27 St Helens Avenue, Swansea, SA1 4ND

Estimated value

£257,000

  • Since the 2019 sale (£200,000)+28%
  • Against SA1 4ND's recent median (£252,000)+2%

Newest record on this page: July 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Mid terrace
Habitable rooms
8
From EPC
Floor area
165 m²
1776 sq ft
Energy rating
E
Score 53
Council tax
Band E
Tenure
Private Rental
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£257,000

  • Against its 2019 sale (£200,000)+28%
  • Against SA1 4ND's recent median (£252,000)+2%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 27 St Helens Avenue is modelled from its 165 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA1 4ND. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    165 m² from the EPC lodged in July 2019

  • Sales of this home

    2 sales recorded, the latest in 2019

  • Recent sales in SA1 4ND

    5 sales, median £252,000 (2025–2020)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: July 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

27 St Helens Avenue has more than doubled in price since the earliest registered sale in 1998.

Risks

What this page doesn't show

1 potential issue has already been flagged for 27 St Helens Avenue, Swansea, SA1 4ND. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 27 St Helens Avenue

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

27 St Helens Avenue is a mid-terrace house in Swansea (SA1 4ND). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (July 2019) shows an E (score 53), well below the UK norm with real room to improve. When first surveyed in November 2018 the rating was F, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good; while lighting dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), a 3-band jump.

It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 1998–2019, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £257,000 is 28.5% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£113/sq ft) was about 28.2% above the typical sold price in the postcode. Most recent transfer: January 2019 at £200,000.

Before you decide

Everything you need to know about 27 St Helens Avenue

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

Signs of HMO activity in the area

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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.

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

Current Certificate(1 of 2)
Jul 2019

EPC Rating

A
B
C
D
E
E53
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
8.1 t/year
Occupancy
Rented

Certificate validity

Valid until 16 July 2029

2 years remaining

Property Improvements

Changes detected from historical EPC data

Jul 2019from Nov 2018
EPC improved fromF38toE53
Heating Controls
Prog + StatProg + TRVs

Heating controls changed

Hot Water
AverageGood

Hot water efficiency improved

Planning

Planning history

Applications and permits filed against 27 St Helens Avenue, Swansea, SA1 4ND, sourced from the PlanIt planning register.

27 St Helens Avenue has no planning applications on record.

44

But the area is active

44 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

On the street

Versus other St Helens Avenue homes

Four headline reads against 27 similar houses on this street, drawn from the latest EPC and Land Registry data.

On co₂ emissions, 27 St Helens Avenue runs well behind the street norm.

Price per m²

£1,212

Street avg £1,110

Above

Floor Area

165 m²

Street avg 151 m²

Strongly above

Habitable Rooms

8 rooms

Street avg 7 rooms

Strongly above

CO₂ Emissions

8.1 t/year

Street avg 6.8 t/year

Strongly below
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.

Crime

580/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

St Helens Crescent — bus stop.

Nearest stops

  • St Helens CrescentBus stop78m
  • St Helens CrescentBus stop107m
  • St Helens CrescentBus stop111m
  • Swansea Crown CourtBus stop158m

Most reported crime locally

  • Violence & Sexual Offences3,276 reports35%
  • Anti-social Behaviour1,210 reports13%
  • Shoplifting1,135 reports12%
  • Public Order981 reports11%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC EPre-1919 buildExtended multiple times (2+ extensions)

Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.

From £885 · Includes VAT

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
How the estimate is made
The estimate for 27 St Helens Avenue is modelled from its 165 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA1 4ND. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 27 St Helens Avenue. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 27 St Helens Avenue was lodged in July 2019 at band E and is valid until July 2029. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 27 St Helens Avenue. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 16 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from SA1 4ND.
Council tax band
27 St Helens Avenue is in council tax band E. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 27 St Helens Avenue, Swansea, SA1 4ND. Each answer is also embedded as structured data for search engines.

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