Model valuation£417,0008 Busby Close
Local market context
21 Western Street, Swansea, SA1 3JZ
Estimated value
£144,000
- Since the 2003 sale (£59,950)+140%
- Against SA1 3JZ's recent median (£171,500)-16%
Newest record on this page: January 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Mid terrace
Habitable rooms
4
From EPC
Floor area
88 m²
947 sq ft
Energy rating
D
Score 63
Council tax
Band B
Tenure
Owner Occupied
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
£144,000
- Against its 2003 sale (£59,950)+140%
- Against SA1 3JZ's recent median (£171,500)-16%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 21 Western Street is modelled from its 88 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA1 3JZ. 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
88 m² from the EPC lodged in January 2026
Sales of this home
2 sales recorded, the latest in 2003
Recent sales in SA1 3JZ
5 sales, median £171,500 (2025–2023)
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 | None on this home | 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.
21 Western Street's modelled value sits at over four times its earliest registered sale price (2003).
Sales timeline
28 August 2003Most recent
£59,950
+71.3%22 June 2003
£35,000
Median price across the last 5 sales in SA1 3JZ: £171,500 (2025–2023).
Nearby sales in SA1 3JZ
What this page doesn't show
3 potential issues have already been flagged for 21 Western Street, Swansea, SA1 3JZ. The detail, evidence and what to ask about it are in the Risks Report.
- Signs of HMO activity in the areaIn report
- Larger development activity nearbyIn report
- Recent ownership pattern worth a lookIn report
- Flood risk from rivers, sea and surface waterIn report
- Subsidence and ground-stability signalsIn report
- Refusals, enforcement and big schemes nearbyIn report
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About 21 Western Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Western Street is a mid-terrace house in Swansea (SA1 3JZ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (January 2026) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in January 2016 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 80).
Untraded for 23 years, with the last transfer in August 2003. Across 2003–2003, sale prices on this property compounded at 71.3% per year. Today's modelled estimate of £144,000 sits 140.2% above the 2003 sale of £59,950. On a £-per-square-foot basis, the last sale (£63/sq ft) was about 45.3% below the postcode norm.
Before you decide
Everything you need to know about 21 Western Street
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the areaLarger development activity nearbyRecent ownership pattern worth a look
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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.
Current Certificate(1 of 2)
Jan 2026
EPC Rating
A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.2 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 19 January 2036
Property Improvements
Changes detected from historical EPC data
Jan 2026from Jan 2016
EPC improved fromE52toD63
Roof Insulation
UninsulatedInsulated
Roof insulation improved
Low Energy Lighting
0%100%
More low energy lighting installed
Planning history
Applications and permits filed against 21 Western Street, Swansea, SA1 3JZ, sourced from the PlanIt planning register.
21 Western Street has no planning applications on record.
28
But the area is active
28 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Versus other Western Street homes
Four headline reads against 23 similar houses on this street, drawn from the latest EPC and Land Registry data.
Price per m² for 21 Western Street lags the street by a wide margin.
Price per m²
£681
Street avg £1,436
Floor Area
88 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.6 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
0.2 km
YMCA — bus stop.
Nearest stops
- YMCABus stop164m
- Argyle StreetBus stop172m
- Picton Arcade ABus stop190m
- MasonicBus stop217m
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 £820 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
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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 21 Western Street is modelled from its 88 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA1 3JZ. 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 21 Western Street. 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 21 Western Street was lodged in January 2026 at band D and is valid until January 2036. 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 21 Western Street. 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 3JZ.
- Council tax band
- 21 Western Street is in council tax band B. 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 21 Western Street, Swansea, SA1 3JZ. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in SA1 3JZSold prices, values and energy ratings for the postcode
- SA 1 property marketPrices, postcodes, schools and transport across the district
- 21 Western Street, 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