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Get started46 Iona Crescent is a detached house in Slough (SL1 6JH). It has a recorded floor area of 146 m² (around 1572 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2024) shows a C (score 71). When first surveyed in March 2023 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and window efficiency went from Average to Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to B (score 82).
5 planning records sit against the property, 1 approved, 2 refused, 1 pending. Past consents include a loft conversion and new windows, meaningful when judging how the property has evolved. An active application for a loft conversion is awaiting a decision. At 146 m² the property is well over the postcode median (89 m² across 38 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £670,000 sits 57.6% above the 2023 sale of £425,000. On a £-per-square-foot basis, the last sale (£270/sq ft) was about 22% above the typical sold price in the postcode. Most recent transfer: June 2023 at £425,000.
A a loft conversion application was refused at 46 Iona Crescent in 2023.
Lawful development certificate for an existing loft conversion with 2no side dormers and insertion of new windows to the front, sides and rear elevations
46 Iona Crescent valuation sits well clear of the typical sold price in this postcode.
£670,000
Modelled from EPC, postcode comparables.
£425,000
Recorded with HM Land Registry.
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Habitable Rooms for 46 Iona Crescent runs comfortably ahead of the street norm.
Price per m²
£2,911
Street avg £3,911
Floor Area
146 m²
Street avg 110 m²
Habitable Rooms
7 rooms
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.

Daytime· 07:00 – 23:00
52.5dB

Changes detected from historical EPC data
Window efficiency improved
Wall insulation improved
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Extension: Side and rear of property
Construction of a single storey side & rear extension & loft conversion including 2no. side dormers
3 more applications for this property
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22 June 2023Most recent
£425,000
Median price across the last 5 sales in SL1 6JH: £570,000 (2025–2024).
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Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 5.0 t/year
SL1 6JH
Closest school
0.4 km
Cippenham School. 23 schools nearby.
Night-time· 23:00 – 07:00
42.9dB