3a, Iona Crescent, Slough, SL1 6JH
About 3a
3a is a semi-detached house in Slough (SL1 6JH). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1900-1929 and council tax band C. At 41 m² this is the 2nd smallest of 39 units on EPC record in the building, where floor areas span 40–201 m². The building's EPC ratings span F to C across 39 units on file. The latest certificate (March 2016) shows a D (score 57), a step below the typical UK home. The latest certificate is from March 2016, so improvements made since then won't be reflected.
Untraded for 27 years, with the last transfer in April 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £215,000 sits 230.8% above the 1999 sale of £65,000. On a £-per-square-foot basis, the last sale (£147/sq ft) was about 35.6% below the postcode norm. At 41 m² it sits well below the postcode median (90 m² across 38 EPCs), making it one of the more compact homes locally.
Everything you need to know about 3a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Mar 2026
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
3a has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
3a's estimated value is more than triple its earliest registered sale price (1999).
£215,000
Modelled from EPC, postcode comparables.
£65,000
Recorded with HM Land Registry.
Sales timeline
6 April 1999Most recent
£65,000
Median price across the last 5 sales in SL1 6JH: £570,000 (2025–2024).
Versus other Iona Crescent homes
EPC Rating for 3a lags the street by a wide margin.
Price per m²
£1,585
Street avg £2,393
Floor Area
41 m²
Street avg 53 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.9 t/year
Street avg 1.4 t/year
Everything you need to know about 3a
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
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Everitts Corner — bus stop.
Closest school
0.4 km
Cippenham 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
52.5dB
Night-time· 23:00 – 07:00
42.9dB