21 Bydemill Gardens, Highworth, Swindon, SN6 7BS
About 21 Bydemill Gardens
21 Bydemill Gardens is a three-bedroom detached house in Highworth, Swindon, Swindon (SN6 7BS). It has a recorded floor area of 131 m² (around 1410 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (July 2016) shows an F (score 33), near the bottom of the EPC scale. Earlier certificates rated it C (January 2014); the latest reading is 3 bands lower. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to D (score 66), a 2-band jump. Main heating runs on oil.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2014. Past consents include an extension, meaningful when judging how the property has evolved. On the market in March 2014 and unlisted since — roughly 12 years. Across 1998–2014, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £432,000 is 49% above the 2014 sale price.
What this property has
Inside
- Bedrooms3
Everything you need to know about 21 Bydemill Gardens
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Energy performance
21 Bydemill Gardens sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Jul 2026
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
21 Bydemill Gardens has an approved single-storey rear extension on the planning record.
1 application on record at 21 Bydemill Gardens, Highworth, Swindon, SN6 7BS
- Jun 2014ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
Certificate of lawfulness (Proposed) for the erection of a single storey rear extension.
- Documents
- 9 docs on file
- Reference
- S/LDP/14/0666
Unlock 21 Bydemill Gardens, Highworth, Swindon, SN6 7BS's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 12 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Bydemill Gardens has more than doubled in price since the earliest registered sale in 1998.
£432,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 16 years.
£289,995
Growth on file: 6.6% per year over 16 years.
Sales timeline
28 March 2014Most recent
£289,995
+176.2%over 15 years2 April 1998
£105,000
Median price across the last 5 sales in SN6 7BS: £410,000 (2025–2024).
Nearby sales in SN6 7BS
28 Bydemill Gardens, Highworth, Swindon, SN6 7BS
Sold Jul 2025
£415,0001 Bydemill Gardens, Highworth, Swindon, SN6 7BS
Sold Mar 2025
£410,00042 Bydemill Gardens, Highworth, Swindon, SN6 7BS
Sold Feb 2025
£390,00043 Bydemill Gardens, Highworth, Swindon, SN6 7BS
Sold Dec 2024
£425,00023 Bydemill Gardens, Highworth, Swindon, SN6 7BS
Sold Jul 2024
£380,000
Versus other Bydemill Gardens homes
21 Bydemill Gardens is notably below the street on epc rating.
Price per m²
£2,214
Street avg £3,124
Floor Area
131 m²
Street avg 124 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
11.0 t/year
Street avg 4.9 t/year
Everything you need to know about 21 Bydemill Gardens
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bydemill Gardens — bus stop.
Closest school
0.6 km
Highworth Warneford School. 4 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
47.6dB

Night-time· 23:00 – 07:00
39.3dB






