25a, Chestnut Springs, Lydiard Millicent, Swindon, SN5 3NA
About 25a
25a is a four-bedroom detached house in Lydiard Millicent, Swindon, Swindon (SN5 3NA). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (June 2019) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 83), a 3-band jump. Other recorded features include a self-contained annexe. Our model identifies extension potential, subject to local planning policy.
One planning record on file: an extension approved in 2020. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Across 1996–2019, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £525,000 is 33.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£297/sq ft) was about 16.7% above the typical sold price in the postcode. Last sale on file: £393,000 in September 2019.
Know exactly what you're buying at 25a
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
- Bathrooms3
- Dining roomYes
Outside
- Private gardenYes
- DrivewayYes
Building
- Extension potentialPossible
Energy performance
25a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
25a has an approved single-storey side and rear extension on the planning record.
- Mar 2020ExtensionFullIn report
Extension: Single storey · Side and rear of property
Single storey rear and front extension
- Documents
- 17 docs on file
- Reference
- 20/01244/FUL
What's in 25a, Chestnut Springs, Lydiard Millicent, Swindon, SN5 3NA's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Sale price has grown by over 3x since 1996.
£525,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 23 years.
£393,000
Growth on file: 5.1% per year over 23 years.
Sales timeline
23 September 2019Most recent
£393,000
+214.4%over 22 years22 November 1996
£125,000
Median price across the last 5 sales in SN5 3NA: £537,500 (2025–2022).
Nearby sales in SN5 3NA
38 Chestnut Springs, Lydiard Millicent, Swindon, SN5 3NA
Sold Jan 2025
£675,0002 Chestnut Springs, Lydiard Millicent, Swindon, SN5 3NA
Sold Jul 2024
£610,00026a, Chestnut Springs, Lydiard Millicent, Swindon, SN5 3NA
Sold Feb 2023
£435,0003 Chestnut Springs, Lydiard Millicent, Swindon, SN5 3NA
Sold Sept 2022
£535,00014 Chestnut Springs, Lydiard Millicent, Swindon, SN5 3NA
Sold Jul 2022
£537,500
Everything we know about 25a, 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 Chestnut Springs homes
On epc rating, 25a runs well behind the street norm.
Price per m²
£3,195
Street avg £3,608
Floor Area
123 m²
Street avg 133 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
6.8 t/year
Street avg 5.6 t/year
Similar properties nearby
1 The Mews, Lydiard Millicent
SN5 3NQ
10 Holborn, Lydiard Millicent
SN5 3ND
10 Stone Lane, Lydiard Millicent
SN5 3LD
10 Chestnut Springs, Lydiard Millicent
SN5 3NA
1 Meadow Springs, Lydiard Millicent
SN5 3NH
1 The Beeches, Lydiard Millicent
SN5 3LT
1 The Orchard, Lydiard Millicent
SN5 3NR
1 Cherry Briar Close, Lydiard Millicent
SN5 3NT
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
0.2 km
Forge Fields — bus stop.
Closest school
0.6 km
Lydiard Millicent CofE Primary School. 13 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
44.1dB

Night-time· 23:00 – 07:00
36.5dB