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Get started48 Iona Crescent is a three-bedroom detached house in Slough (SL1 6JH). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1930-1949 and council tax band D. Tenure is freehold. The latest certificate (November 2025) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in July 2017 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Very Good and lighting went from Average to Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
Sale prices here have outpaced Slough HPI: 15.5% per year against 0% for the wider region. Today's modelled estimate of £542,000 is 10.6% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£632/sq ft) was about 192.2% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 2 refused. At 72 m² it's 19.6% smaller than the typical home in the postcode (90 m² median across 38 EPCs). Most recent transfer: March 2022 at £490,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Side and rear of property
Construction of a single storey side and rear extension & loft conversion with side dormers.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£542,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.5% per year over 2 years.
£490,000
Growth on file: 15.5% per year over 2 years.
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Detailed AI analysis
Price per m² for 48 Iona Crescent runs comfortably ahead of the street norm.
Price per m²
£6,806
Street avg £3,767
Floor Area
72 m²
Street avg 112 m²
Habitable Rooms
4 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
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 8m, with a maximum height of 3m, and an eaves height of 2.85m
31 March 2022Most recent
£490,000
+40.0%over 2 years27 November 2019
£350,000
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
3.3 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