12a, Haddon Close, Grange Park, Swindon, SN5 6ER
About 12a
12a is a three-bedroom semi-detached house in Grange Park, Swindon, Swindon (SN5 6ER). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (May 2019) shows a C (score 73). When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 87).
Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Across 2019–2023, sale prices on this property compounded at 5.3% per year. On a £-per-square-foot basis, the last sale (£373/sq ft) was about 98.7% above the typical sold price in the postcode. Last sale on file: £297,000 in October 2023.
Know exactly what you're buying at 12a
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
- Bedrooms3
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
12a has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
12a saw 3 transfers in just over a decade — high turnover for the postcode.
£310,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 4 years.
£297,000
Growth on file: 5.3% per year over 4 years.
Sales timeline
26 October 2023Most recent
£297,000
+12.1%over 2 years27 June 2021
£265,000
+11.8%over 2 years26 June 2019
£237,000
Median price across the last 5 sales in SN5 6ER: £260,000 (2024–2018).
Nearby sales in SN5 6ER
10 Haddon Close, Grange Park, Swindon, SN5 6ER
Sold May 2024
£250,0005 Haddon Close, Grange Park, Swindon, SN5 6ER
Sold May 2022
£277,00011 Haddon Close, Grange Park, Swindon, SN5 6ER
Sold Jan 2022
£305,0009 Haddon Close, Grange Park, Swindon, SN5 6ER
Sold Aug 2021
£260,0006 Haddon Close, Grange Park, Swindon, SN5 6ER
Sold Mar 2018
£245,000
Everything we know about 12a, 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 Haddon Close homes
On price per m², 12a stands well clear of the street.
Price per m²
£4,014
Street avg £2,598
Floor Area
74 m²
Street avg 85 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.4 t/year
Similar properties nearby
1 Bosworth Road, Grange Park
SN5 6AL
1 Cabot Drive, Grange Park
SN5 6HG
1 Devereux Close, Grange Park
SN5 6HE
1 Bale Close, Grange Park
SN5 6HX
1 Bainbridge Close, Grange Park
SN5 6BD
1 Bancroft Close, Grange Park
SN5 6HB
1 Cleves Close, Grange Park
SN5 6JX
1 Carey Close, Grange Park
SN5 6BH
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bradenham Road — bus stop.
Closest school
0.4 km
Lydiard Park Academy. 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
50.1dB

Night-time· 23:00 – 07:00
40.1dB