305a, High Street, Slough, SL1 1BD
About 305a
305a is a semi-detached house in Slough (SL1 1BD). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (May 2023) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in March 2011 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to C (score 71). At 58 m² this is the 21st smallest of 34 units on EPC record in the building, where floor areas span 21–95 m². The building's EPC ratings span G to C across 34 units on file.
At 58 m² it's 16% larger than the typical home in the postcode (50 m² median across 33 EPCs).
Energy performance
EPC Rating
Certificate validity
Valid until 31 May 2033
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
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Planning history
305a has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
305a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£216,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SL1 1BD: £476,000 (2020–2010).
Versus other High Street homes
EPC Rating
68 (D)
Street avg 57 (D)
Floor Area
58 m²
Street avg 54 m²
CO₂ Emissions
2.4 t/year
Street avg 2.9 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
656/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Wexham Road — bus stop.
Closest school
0.3 km
St Mary's Church of England Primary School. 34 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
54.3dB

Night-time· 23:00 – 07:00
45.8dB







