Flat 5, 20 Church Street, Swindon, SN3 4NB
About Flat 5
Flat 5 is a one-bedroom detached house in Swindon (SN3 4NB). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2025) shows an E (score 46), well below the UK norm with real room to improve. Earlier certificates rated it D (April 2012); the latest reading is one band lower. Between certificates, roof efficiency went from Poor to Average; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on electricity. Other recorded features include a balcony.
10 years since the last transfer (October 2016). Across the public record there are 4 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Across 1999–2016, sale prices on this property compounded at 8.2% per year. Today's modelled estimate of £136,000 is 38.8% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 19.3% below the postcode norm.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
- ParkingOff street
- BalconyYes
Building
- Heating systemGas
- RefurbishedYes
Energy performance
Flat 5's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Roof insulation improved
More low energy lighting installed
Hot water efficiency improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 5 has no planning applications on record.
But the area is active
9 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 1999.
£136,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.2% per year over 18 years.
£98,000
Growth on file: 8.2% per year over 18 years.
Sales timeline
13 October 2016Most recent
£98,000
+13.3%over 10 years28 September 2006
£86,500
+181.3%over 6 years28 October 1999
£30,750
+24.2%over 7 months5 April 1999
£24,750
Median price across the last 5 sales in SN3 4NB: £124,000 (2025–2023).
Nearby sales in SN3 4NB
Flat 1, 20 Church Street, Swindon, SN3 4NB
Sold Sept 2025
£157,500Flat 2, 20 Church Street, Swindon, SN3 4NB
Sold Jun 2025
£124,0007a, Church Street, Swindon, SN3 4NB
Sold Mar 2025
£425,00021 Church Farm, Church Street, Swindon, SN3 4NB
Sold Apr 2024
£90,000Flat 4, 20 Church Street, Swindon, SN3 4NB
Sold Nov 2023
£108,000
Versus other Church Street homes
On floor area, Flat 5 stands well clear of the street.
Price per m²
£1,485
Street avg £2,391
Floor Area
66 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 2.3 t/year
Similar properties nearby
Flat 2, 8 Swindon Road, Stratton St Margaret
SN3 4PZ
Flat 1, 106 Swindon Road, Stratton St Margaret
SN3 4PT
Flat 2, 13 Oxford Road
SN3 4HP
Flat 1, 20 Church Street
SN3 4NB
Flat 1, 13 Oxford Road
SN3 4HP
Flat 1, 5 Highworth Road, South Marston
SN3 4SF
Flat 2, 20 Church Street
SN3 4NB
Flat 1, 192 Oxford Road
SN3 4HA
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Jacobs Ladder — bus stop.
Closest school
0.4 km
Grange Junior School. 23 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
55.2dB

Night-time· 23:00 – 07:00
47.5dB







