What kind of home is 1 King William Street, SN1 3LB?

1 King William Street, SN1 3LB is a 2-bedroom end-of-terrace house.

What was the last sold price for 1 King William Street, SN1 3LB?

1 King William Street, SN1 3LB last sold for £217,000 in September 2025. Land Registry has 3 sales on record going back to £65,000 in April 1999. Source: HM Land Registry.

What is the price history for 1 King William Street, SN1 3LB?

Across 3 sales between April 1999 and September 2025, 1 King William Street, SN1 3LB rose from £65,000 to £217,000, a change of £152,000. That works out to roughly +4.7% per year compounded over 26 years. Source: HM Land Registry.

How energy efficient is 1 King William Street, SN1 3LB?

The current EPC rating for 1 King William Street, SN1 3LB is D with a score of 64 out of 100, lodged in July 2025. The assessor estimates the property could reach a C. Source: EPC Register.

How big is 1 King William Street, SN1 3LB?

1 King William Street, SN1 3LB has a recorded floor area of 81 m² (872 sq ft), around 41 m² per bedroom. Source: EPC Register.

What heating system does 1 King William Street, SN1 3LB use?

The latest EPC at 1 King William Street, SN1 3LB records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 1 King William Street, SN1 3LB?

1 King William Street, SN1 3LB is in council tax band C.

Which area is 1 King William Street, SN1 3LB in?

1 King William Street, SN1 3LB sits in Swindon. It falls within the SN1 postcode district.

How safe is the area around 1 King William Street, SN1 3LB?

Police records around 1 King William Street, SN1 3LB show an average of 7 reported crimes per month over the last 14 months. Violent crime makes up roughly 51% of reports, the most common category. The overall trend is rising (156% versus the prior period). Source: Police UK.

What schools are near 1 King William Street, SN1 3LB?

The closest primary school to 1 King William Street, SN1 3LB is King William Street Church of England Primary School (49m), one of 21 primaries within walking distance. The closest secondary is The Commonweal School (744m), with 7 secondaries in the surrounding area.

How well connected is 1 King William Street, SN1 3LB?

The closest bus stop to 1 King William Street, SN1 3LB is Avenue Road, 108m away. In total there are 30 bus stops within the surrounding area.

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1 King William Street, Swindon, SN1 3LB

3 sales on record

Property type

End terrace

Bedrooms

Bathroom

Floor area

81 m²

872 sq ft

Energy rating

Score 64

Council tax

Band C

Tenure

Owner Occupied

Overview

About 1 King William Street

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

1 King William Street is a two-bedroom end-of-terrace house in Swindon (SN1 3LB). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2009. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77). Other recorded features include a basement.

A recent sale: £217,000 in September 2025. Across 1999–2025, sale prices on this property compounded at 4.7% per year. On a £-per-square-foot basis, the last sale (£249/sq ft) was about 97.9% above the typical sold price in the postcode.

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

Bedrooms2
Bathrooms1
Dining roomYes
BasementYes

Outside

Private gardenRear

Before you decide

Everything you need to know about 1 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

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The data behind every report

Energy

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)

Jul 2025

EPC Rating

D64

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

2.9 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jul 2025from Nov 2009

Hot Water

AverageGood

Hot water efficiency improved

Roof Insulation

PartialInsulated

Roof insulation improved

Low Energy Lighting

50%100%

More low energy lighting installed

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 £885 · Includes VAT

Planning

Planning history

Applications and permits filed against 1 King William Street, Swindon, SN1 3LB, sourced from the PlanIt planning register.

1 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.

Price

Sales history & valuation

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

Sale price has grown by over 3x since 1999.

Current estimate

£228,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 26 years.

See how we calculated this

Last sold (2025)

£217,000

Growth on file: 4.7% per year over 26 years.

Sales timeline

11 September 2025Most recent
£217,000
+52.8%over 14 years
14 January 2011
£142,000
+118.5%over 11 years
15 April 1999
£65,000

Median price across the last 5 sales in SN1 3LB: £265,000 (2023–2019).

Nearby sales in SN1 3LB

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.

On years held, 1 King William Street runs well behind the street norm.

Price per m²

£2,679

Street avg £1,942

Above

Floor Area

81 m²

Street avg 90 m²

Below

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

2.9 t/year

Street avg 4.4 t/year

Strongly above

Before you decide

Everything you need to know about 1 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 · every report is £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£206k

1 Dover Street

SN1 3JP

2 bed

£205k

1 Cannon Street

SN1 3DD

2 bed1 bath

£199k

1 Edmund Street

SN1 3JE

2 bed1 bath

£186k

1 King John Street

SN1 3DB

2 bed1 bath

£220k

1 Hythe Road

SN1 3NZ

1 bed6 bath

£219k

1 Eastcott Road

SN1 3LS

3 bed

£255k

1 Durham Street

SN1 3HS

3 bed1 bath

£268k

1 Dumbarton Terrace

SN1 3HP

3 bed1 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

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.

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· 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 1 King William Street, Swindon, SN1 3LB. Each answer is also embedded as structured data for search engines.