21 Alnwick, Toothill, Swindon, SN5 8JJ
About 21 Alnwick
21 Alnwick is a two-bedroom detached house in Toothill, Swindon, Swindon (SN5 8JJ). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (October 2024) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2014. Between certificates, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. The home occupies a corner plot.
Most recent transfer was April 2025 at £207,500 — fresh data. Today's modelled estimate of £299,000 is 44.1% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£283/sq ft) was about 20.5% above the typical sold price in the postcode.
Know exactly what you're buying at 21 Alnwick
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
- Bedrooms2
- Bathrooms1
- Dining roomYes
Outside
- GarageYes
- Corner plotYes
Building
- Central heatingYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Planning history
21 Alnwick has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
Sales history & valuation
21 Alnwick valuation sits well clear of the typical sold price in this postcode.
£299,000
Modelled from EPC, postcode comparables.
£207,500
Recorded with HM Land Registry.
Sales timeline
27 April 2025Most recent
£207,500
Median price across the last 5 sales in SN5 8JJ: £305,000 (2025–2024).
Nearby sales in SN5 8JJ
Everything we know about 21 Alnwick, 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 Alnwick homes
On years held, 21 Alnwick runs well behind the street norm.
Price per m²
£3,051
Street avg £3,640
Floor Area
68 m²
Street avg 73 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.4 t/year
Similar properties nearby
1 Beverley, Toothill
SN5 8BH
1 Chalgrove Field, Freshbrook
SN5 8QA
1 Colchester Close, Toothill
SN5 8AG
1 Clare Walk, Toothill
SN5 8JQ
1 Cottington Close, Freshbrook
SN5 8PX
1 Basingstoke Close, Freshbrook
SN5 8RB
1 Crawford Close, Freshbrook
SN5 8PP
1 Corfe Road, Toothill
SN5 8JL
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Edgehill — bus stop.
Closest school
0.5 km
Lift Hazelwood. 16 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
53.1dB

Night-time· 23:00 – 07:00
43.1dB