21 Fairfield Avenue, Datchet, Slough, SL3 9NQ
About 21 Fairfield Avenue
21 Fairfield Avenue is a semi-detached house in Datchet, Slough, Slough (SL3 9NQ). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2017) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump.
One planning record on file: an extension approved in 2021. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £554,000 is 24.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£505/sq ft) was about 68.7% above the typical sold price in the postcode. On the market in March 2017 and unlisted since — roughly 9 years. At 82 m² it's 19.6% smaller than the typical home in the postcode (102 m² median across 19 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
1 application on record at 21 Fairfield Avenue, Datchet, Slough, SL3 9NQ
- Jan 2021Loft ConversionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension and loft conversion with rear dormer
Extension- Documents
- 22 docs on file
- Reference
- 20/02989/FULL
Unlock 21 Fairfield Avenue, Datchet, Slough, SL3 9NQ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 22 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Fairfield Avenue valuation sits well clear of the typical sold price in this postcode.
£554,000
Modelled from EPC, postcode comparables.
£446,000
Recorded with HM Land Registry.
Sales timeline
3 March 2017Most recent
£446,000
Median price across the last 5 sales in SL3 9NQ: £600,000 (2024–2020).
Nearby sales in SL3 9NQ
27 Fairfield Avenue, Datchet, Slough, SL3 9NQ
Sold Nov 2024
£600,0006 Fairfield Avenue, Datchet, Slough, SL3 9NQ
Sold Jun 2023
£725,00011 Fairfield Avenue, Datchet, Slough, SL3 9NQ
Sold Jun 2023
£638,00017 Fairfield Avenue, Datchet, Slough, SL3 9NQ
Sold Feb 2021
£485,00032 Fairfield Avenue, Datchet, Slough, SL3 9NQ
Sold Sept 2020
£480,000
Versus other Fairfield Avenue homes
On floor area, 21 Fairfield Avenue runs well behind the street norm.
Price per m²
£5,439
Street avg £4,294
Floor Area
82 m²
Street avg 249 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.3 t/year
Street avg 13.7 t/year
Similar properties nearby
1 Fairfield Close, Datchet
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1 Fairfield Avenue, Datchet
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1 Datchet Place, Datchet
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1 Dawn Redwood Close, Horton
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1 Ditton Road, Datchet
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1 Holmlea Walk, Datchet
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1 Colne Bank, Horton
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Montrose Avenue — bus stop.
Closest school
0.7 km
Datchet St Mary's CofE Primary School. 18 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
57.4dB

Night-time· 23:00 – 07:00
51.5dB







