Model valuation£417,0008 Busby Close
Local market context
12 St Helens Avenue, Swansea, SA1 4ND
1 planning record
Estimated value
£252,000
- Since the 2011 sale (£148,500)+70%
- Against SA1 4ND's recent median (£252,000)0%
Newest record on this page: July 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
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
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
£252,000
- Against its 2011 sale (£148,500)+70%
- Against SA1 4ND's recent median (£252,000)0%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 12 St Helens Avenue is modelled from its 157 m² EPC floor area, its 1 recorded sale 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
157 m² from the EPC lodged in May 2022
Sales of this home
1 sale recorded, the latest in 2011
Recent sales in SA1 4ND
5 sales, median £252,000 (2025–2020)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: July 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 application | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Sales history & valuation
Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.
12 St Helens Avenue valuation sits well clear of the typical sold price in this postcode.
Sales timeline
4 November 2011Most recent
£148,500
Median price across the last 5 sales in SA1 4ND: £252,000 (2025–2020).
Nearby sales in SA1 4ND
What this page doesn't show
1 potential issue has already been flagged for 12 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
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 £252,000 sits 69.7% 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 · from £14.99
One time fee only - money back guarantee
The data behind every report
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
Certificate validity
Valid until 15 May 2032
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
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
- Feb 2012ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 5 docs on file
- Reference
- 2012/0065
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
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.
Price per m²
£946
Street avg £1,122
Floor Area
157 m²
Street avg 151 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
6.3 t/year
Street avg 6.9 t/year
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.
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
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
Property research, connected
Get up to date data on unlimited properties per month
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchHow 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 12 St Helens Avenue is modelled from its 157 m² EPC floor area, its 1 recorded sale 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. 1 sale is recorded for 12 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 12 St Helens Avenue was lodged in May 2022 at band D and is valid until May 2032. 2 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 12 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
- 12 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.
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.
Know this home? Think our valuation is wrong?
Leave a note for other visitors about work done or anything the records miss, and say what you think it's worth. It takes about two minutes.
Keep exploring
- Every home in SA1 4NDSold prices, values and energy ratings for the postcode
- SA 1 property marketPrices, postcodes, schools and transport across the district
- 12 St Helens Avenue, Swansea valuationHow the estimate is built and what moves it
- UK house price mapExplore prices by district, year by year
- Report on another addressLook up any home in England and Wales