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23 King William Street, Swindon, SN1 3LB

3 sales on record
Property type
End terrace
Bedrooms
3
Bathroom
1
Floor area
152 m²
1636 sq ft
Energy rating
D
Score 64
Council tax
Band D
Tenure
Owner Occupied
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Overview

About 23 King William Street

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

23 King William Street is a three-bedroom end-of-terrace house in Swindon (SN1 3LB). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (October 2016) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. Other recorded features include a basement and a loft.

At 152 m² the property is well over the postcode median (82 m² across 19 EPCs), placing it in the larger end of the local stock. Across 2006–2023, sale prices on this property compounded at 3.2% per year. On a £-per-square-foot basis, the last sale (£199/sq ft) was about 48.2% above the typical sold price in the postcode. Sold August 2023 for £325,000.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • Bathrooms1
  • LoftYes
  • BasementYes

Outside

  • Private gardenYes
  • ParkingYes
Before you decide

Everything you need to know about 23 King William Street

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

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · from £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
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

23 King William Street's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate
Oct 2016

EPC Rating

A
B
C
D
D64
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
6.3 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 16 October 2026

Expires this month
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraEnd-Terrace HouseEPC DPre-1919 buildSolid (non-cavity) walls

Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £955 · Includes VAT

Planning

Planning history

Applications and permits filed against 23 King William Street, Swindon, SN1 3LB, sourced from the PlanIt planning register.

23 King William Street has no planning applications on record.

30

But the area is active

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

Price

Sales history & valuation

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

Latest sale on 23 King William Street was the highest on Land Registry record across the postcode.

Current estimate

£318,000

Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 17 years.

See how we calculated this
Last sold (2023)

£325,000

Growth on file: 3.2% per year over 17 years.

Sales timeline

  1. 28 August 2023Most recent

    £325,000

    +18.2%over 6 years

  2. 9 July 2017

    £275,000

    +44.7%over 10 years

  3. 14 November 2006

    £190,000

Median price across the last 5 sales in SN1 3LB: £217,000 (2025–2021).

On the street

Versus other King William Street homes

Four headline reads against 19 similar houses on this street, drawn from the latest EPC and Land Registry data.

23 King William Street outperforms the street on floor area by a wide margin.

Price per m²

£2,138

Street avg £1,979

On par

Floor Area

152 m²

Street avg 86 m²

Strongly above

Habitable Rooms

7 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

6.3 t/year

Street avg 4.2 t/year

Strongly below
Before you decide

Everything you need to know about 23 King William Street

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

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · from £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.
£299k

1 Hythe Mews, Hythe Road

SN1 3LU

3 bed2 bath
£354k

1 Ashford Road

SN1 3NT

3 bed3 bath
£282k

1 Folkestone Road

SN1 3NH

3 bed1 bath
£266k

1 Dumbarton Terrace

SN1 3HP

3 bed1 bath
£262k

1 Durham Street

SN1 3HS

3 bed1 bath
£222k

1 Eastcott Road

SN1 3LS

3 bed
£469k

1 Hilton Close

SN1 3HX

3 bed2 bath
£363k

1 Lansdown Road

SN1 3NE

4 bed2 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Swindon district page.
Full Swindon report

Crime

380/mo

Steady 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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around SN1 3LB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SN1 3LB

Daytime· 07:00 – 23:00

52.0dB

Low
Night-time road noise heatmap for SN1 3LB

Night-time· 23:00 – 07:00

41.6dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 23 King William Street, Swindon, SN1 3LB. Each answer is also embedded as structured data for search engines.