20 Dean Street, Swindon, SN1 5EN
About 20 Dean Street
20 Dean Street is a mid-terrace house in Swindon (SN1 5EN). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2018) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump.
Held since March 1999 — that's 27 years off the open market, well above the local norm. Across 1996–1999, sale prices on this property compounded at 25.5% per year. Today's modelled estimate of £191,000 sits 232.2% above the 1999 sale of £57,500. On a £-per-square-foot basis, the last sale (£65/sq ft) was about 45.9% below the postcode norm.
Everything you need to know about 20 Dean Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
20 Dean Street has no planning applications on record.
But the area is active
15 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Dean Street's modelled value sits at over four times its earliest registered sale price (1996).
£191,000
Modelled from EPC, postcode comparables and a sale-price growth of 25.5% per year over 3 years.
£57,500
Growth on file: 25.5% per year over 3 years.
Sales timeline
31 March 1999Most recent
£57,500
+76.9%over 2 years26 September 1996
£32,500
Median price across the last 5 sales in SN1 5EN: £230,000 (2025–2023).
Versus other Dean Street homes
20 Dean Street outperforms the street on years held by a wide margin.
Price per m²
£701
Street avg £1,772
Floor Area
82 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.8 t/year
Street avg 4.4 t/year
Everything you need to know about 20 Dean Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Dean Street — bus stop.
Closest school
0.2 km
Robert Le Kyng Primary School. 33 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
52.2dB

Night-time· 23:00 – 07:00
42.3dB






