14 Boleyn Close, Grange Park, Swindon, SN5 6JZ
About 14 Boleyn Close
14 Boleyn Close is a detached house in Grange Park, Swindon, Swindon (SN5 6JZ). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (February 2021) shows a C (score 71). When first surveyed in August 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good. The recommended improvements would push it to B (score 82).
Across 1995–2021, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £460,000 is 10.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£301/sq ft) was about 102.6% above the typical sold price in the postcode. Sold November 2021 for £415,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Certificate validity
Valid until 18 February 2031
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
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Planning history
14 Boleyn Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Sale price has grown by over 3x since 1995.
£460,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 26 years.
£415,000
Growth on file: 4.9% per year over 26 years.
Sales timeline
4 November 2021Most recent
£415,000
+12.8%over 2 years21 July 2019
£368,000
+42.1%over 9 years5 March 2010
£259,000
+100.0%over 12 years30 January 1998
£129,500
+8.6%over 2 years24 August 1995
£119,250
Median price across the last 5 sales in SN5 6JZ: £425,000 (2025–2023).
Nearby sales in SN5 6JZ
32 Boleyn Close, Grange Park, Swindon, SN5 6JZ
Sold Jun 2025
£425,0004 Boleyn Close, Grange Park, Swindon, SN5 6JZ
Sold May 2025
£351,0001 Boleyn Close, Grange Park, Swindon, SN5 6JZ
Sold Sept 2024
£510,00017 Boleyn Close, Grange Park, Swindon, SN5 6JZ
Sold Dec 2023
£390,00020 Boleyn Close, Grange Park, Swindon, SN5 6JZ
Sold Jul 2023
£530,000
Versus other Boleyn Close homes
On habitable rooms, 14 Boleyn Close stands well clear of the street.
Price per m²
£3,242
Street avg £2,318
Floor Area
128 m²
Street avg 120 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
4.1 t/year
Street avg 4.8 t/year
Similar properties nearby
1 Eworth Close, Grange Park
SN5 6JG
1 Clinton Close, Grange Park
SN5 6BP
1 Darcey Close, Grange Park
SN5 6DZ
1 Eltham Close
SN5 6BF
1 Audley Close, Grange Park
SN5 6BT
1 Boleyn Close, Grange Park
SN5 6JZ
1 Conyers Close, Grange Park
SN5 6HL
1 Campion Gate, Grange Park
SN5 6JN
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
186/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Sleaford Close — bus stop.
Closest school
0.2 km
Tregoze Primary School. 15 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
48.3dB

Night-time· 23:00 – 07:00
38.1dB







