What kind of home is 21 Biddestone Avenue, SN3 6DE?

21 Biddestone Avenue, SN3 6DE is a semi-detached house.

What was the last sold price for 21 Biddestone Avenue, SN3 6DE?

21 Biddestone Avenue, SN3 6DE last sold for £255,995 in April 2016, around 10 years ago. Source: HM Land Registry.

What is the EPC rating for 21 Biddestone Avenue, SN3 6DE?

The current EPC rating for 21 Biddestone Avenue, SN3 6DE is C with a score of 79 out of 100, lodged in May 2026. It has dropped from a B recorded in March 2016. The assessor estimates the property could reach a B. Source: EPC Register.

How big is 21 Biddestone Avenue, SN3 6DE?

21 Biddestone Avenue, SN3 6DE has a recorded floor area of 89 m² (958 sq ft). That makes it about 45% smaller than the median EPC-recorded property in SN3 6DE. Source: EPC Register.

What heating system does 21 Biddestone Avenue, SN3 6DE use?

The latest EPC at 21 Biddestone Avenue, SN3 6DE records mains gas as the main heating fuel. Source: EPC Register.

Which area is 21 Biddestone Avenue, SN3 6DE in?

21 Biddestone Avenue, SN3 6DE sits in Coate, Swindon, Swindon. It falls within the SN3 postcode district.

What is crime like near 21 Biddestone Avenue, SN3 6DE?

Police records around 21 Biddestone Avenue, SN3 6DE show an average of 318 reported crimes per month over the last 15 months. Violent crime makes up roughly 42% of reports, the most common category. The overall trend is falling (14% versus the prior period). Source: Police UK.

What schools are near 21 Biddestone Avenue, SN3 6DE?

The closest primary school to 21 Biddestone Avenue, SN3 6DE is Badbury Park Primary School (278m), one of 14 primaries within walking distance. The closest secondary is The Dorcan Academy (2.2km), with 3 secondaries in the surrounding area.

What transport links are near 21 Biddestone Avenue, SN3 6DE?

The closest bus stop to 21 Biddestone Avenue, SN3 6DE is Lordswood, 132m away. In total there are 30 bus stops within the surrounding area.

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21 Biddestone Avenue, Coate, Swindon, SN3 6DE

Property type

Semi-detached

Habitable rooms

From EPC

Floor area

89 m²

958 sq ft

Energy rating

Score 79

Tenure

Owner Occupied

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Overview

About 21 Biddestone Avenue

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

21 Biddestone Avenue is a semi-detached house in Coate, Swindon, Swindon (SN3 6DE). It has a recorded floor area of 89 m² (around 958 sq ft) and construction records dating it to 2012 onwards. The latest certificate (May 2026) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (March 2016); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. The recommended improvements would push it to B (score 84). This certificate was lodged in the last six months, so the rating reflects current condition.

At 89 m² it sits well below the postcode median (163 m² across 31 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 10 years since the last transfer (April 2016). Today's modelled estimate of £365,000 is 42.6% above the 2016 sale price.

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Energy

Energy performance

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

21 Biddestone Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.

Current Certificate(1 of 2)

May 2026

EPC Rating

C79

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

1.8 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 24 May 2036

9 years remaining

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Level 2 HomeBuyer Report

21st centurySemi-Detached HouseEPC C

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Planning

Planning history

Applications and permits filed against 21 Biddestone Avenue, Coate, Swindon, SN3 6DE, sourced from the PlanIt planning register.

21 Biddestone Avenue has no planning applications on record.

But the area is active

3 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.

Current estimate

£365,000

Modelled from EPC, postcode comparables.

See how we calculated this

Last sold (2016)

£255,995

Recorded with HM Land Registry.

Sales timeline

17 April 2016Most recent
£255,995

Median price across the last 5 sales in SN3 6DE: £563,000 (2025–2022).

Nearby sales in SN3 6DE

On the street

Versus other Biddestone Avenue homes

Four headline reads against 31 similar houses on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 21 Biddestone Avenue lags the street by a wide margin.

Price per m²

£2,876

Street avg £3,049

On par

Floor Area

89 m²

Street avg 145 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 6 rooms

Below

CO₂ Emissions

1.8 t/year

Street avg 2.3 t/year

Above

Before you decide

Everything you need to know about 21 Biddestone Avenue

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

Larger development activity nearby

Pick your report · from £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.

£370k

1 Bradwell Moor

SN3 6NH

4 bed2 bath

£360k

1 Bronte Close

SN3 6JL

4 bed1 bath

£345k

1 Bolehyde Close, Coate

SN3 6FN

£333k

1 Austen Crescent

SN3 6JF

4 bed3 bath

£404k

1 Ballyack Close, Coate

SN3 6EG

4 bed

£407k

1 Ashcombe Close, Coate

SN3 6BH

£435k

1 Bushton Close, Coate

SN3 6FD

£299k

1 Bletchley Close

SN3 6BY

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

318/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Lordswood — bus stop.

Closest school

0.3 km

Badbury Park Primary School. 17 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 SN3 6DE from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

53.0dB

Low

Night-time road noise heatmap for SN3 6DE

Night-time· 23:00 – 07:00

44.7dB

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 21 Biddestone Avenue, Coate, Swindon, SN3 6DE. Each answer is also embedded as structured data for search engines.