1 Boleyn Close, Grange Park, Swindon, SN5 6JZ
About 1 Boleyn Close
1 Boleyn Close is a four-bedroom detached house in Grange Park, Swindon, Swindon (SN5 6JZ). It has a recorded floor area of 171 m² (around 1841 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (July 2024) shows a C (score 71). When first surveyed in July 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Good; while roof efficiency dropped from Good to Average.
At 171 m² the property is well over the postcode median (118 m² across 17 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2024, sale prices on this property compounded at 5.6% per year. On a £-per-square-foot basis, the last sale (£277/sq ft) was about 86.3% above the typical sold price in the postcode. Most recent transfer: September 2024 at £510,000.
Know exactly what you're buying at 1 Boleyn Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms4
Outside
- GarageDouble
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Cavity wall insulation installed
More low energy lighting installed
Planning history
1 Boleyn Close has an approved single-storey rear extension on the planning record.
- Jul 2007ExtensionOutlineIn report
Extension: Single storey · Rear of property
Erection of a single storey rear extension.
- Documents
- 6 docs on file
- Reference
- S/LDP/07/1443
What's in 1 Boleyn Close, Grange Park, Swindon, SN5 6JZ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Price for 1 Boleyn Close has grown more than fourfold since the 1997 starting point.
£519,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 28 years.
£510,000
Growth on file: 5.6% per year over 28 years.
Sales timeline
17 September 2024Most recent
£510,000
+47.6%over 7 years20 January 2017
£345,500
+208.5%over 20 years14 January 1997
£112,000
Median price across the last 5 sales in SN5 6JZ: £415,000 (2025–2021).
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
£351,00017 Boleyn Close, Grange Park, Swindon, SN5 6JZ
Sold Dec 2023
£390,00020 Boleyn Close, Grange Park, Swindon, SN5 6JZ
Sold Jul 2023
£530,00014 Boleyn Close, Grange Park, Swindon, SN5 6JZ
Sold Nov 2021
£415,000
Everything we know about 1 Boleyn Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Boleyn Close homes
1 Boleyn Close outperforms the street on floor area by a wide margin.
Price per m²
£2,982
Street avg £2,333
Floor Area
171 m²
Street avg 117 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
5.3 t/year
Street avg 4.8 t/year
Similar properties nearby
1 Conyers Close, Grange Park
SN5 6HL
1 Darcey Close, Grange Park
SN5 6DZ
1 Audley Close, Grange Park
SN5 6BT
1 Eworth Close, Grange Park
SN5 6JG
1 Bonner Close, Grange Park
SN5 6HA
1 Byrd Close, Grange Park
SN5 6JQ
1 Carey Close, Grange Park
SN5 6BH
1 Cleves Close, Grange Park
SN5 6JX
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
Sleaford Close — bus stop.
Closest school
0.2 km
Tregoze Primary School. 15 schools nearby.
Go deeper on the local area
The full 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