9 King William Street, Swindon, SN1 3LB
About 9 King William Street
9 King William Street is a two-bedroom mid-terrace house in Swindon (SN1 3LB). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (August 2014) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from August 2014, so improvements made since then won't be reflected. Other recorded features include a basement.
Across 2002–2016, sale prices on this property compounded at 5% per year. Today's modelled estimate of £247,000 is 37.2% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£178/sq ft) was about 41.5% above the typical sold price in the postcode. 10 years since the last transfer (February 2016).
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- BasementYes
Outside
- Private gardenSouth-facing
Building
- Heating systemGas
- RefurbishedYes
Everything you need to know about 9 King William Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Aug 2024
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
9 King William Street has no planning applications on record.
But the area is active
31 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
9 King William Street valuation sits well clear of the typical sold price in this postcode.
£247,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 14 years.
£180,000
Growth on file: 5.0% per year over 14 years.
Sales timeline
11 February 2016Most recent
£180,000
+25.0%over 8 years29 April 2007
£144,000
+58.2%over 5 years25 January 2002
£91,000
Median price across the last 5 sales in SN1 3LB: £265,000 (2025–2021).
Nearby sales in SN1 3LB
1 King William Street, Swindon, SN1 3LB
Sold Sept 2025
£217,00026 King William Street, Swindon, SN1 3LB
Sold Oct 2023
£270,00023 King William Street, Swindon, SN1 3LB
Sold Aug 2023
£325,00018 King William Street, Swindon, SN1 3LB
Sold Nov 2022
£265,00011 King William Street, Swindon, SN1 3LB
Sold Nov 2021
£215,000
Versus other King William Street homes
Price per m²
£1,915
Street avg £1,990
Floor Area
94 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 4.3 t/year
Everything you need to know about 9 King William Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

Similar properties nearby
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Avenue Road — bus stop.
Closest school
0.0 km
King William Street Church of England Primary School. 28 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.0dB

Night-time· 23:00 – 07:00
41.6dB






