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21 Fairfield Avenue, Datchet, Slough, SL3 9NQ

1 planning record
Property type
Semi-detached
Habitable rooms
5
From EPC
Floor area
131 m²
1410 sq ft
Energy rating
C
Score 74
Council tax
Band D
Tenure
Owner Occupied
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Overview

About 21 Fairfield Avenue

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Fairfield Avenue is a semi-detached house in Datchet, Slough, Slough (SL3 9NQ). It has a recorded floor area of 131 m² (around 1410 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (July 2026) shows a C (score 74). When first surveyed in January 2017 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good. The recommended improvements would push it to B (score 83). This certificate was lodged in the last six months, so the rating reflects current condition.

Today's modelled estimate of £669,000 sits 50% above the 2017 sale of £446,000. 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. At 131 m² it's 29.1% larger than the typical home in the postcode (102 m² median across 20 EPCs). Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). On the market in March 2017 and unlisted since — roughly 9 years.

Before you decide

Everything you need to know about 21 Fairfield Avenue

The true value, the hidden risks and the full sale history, in one report.

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 2)
Jul 2026

EPC Rating

A
B
C
C74
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.2 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 8 July 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Jul 2026from Jan 2017
EPC improved fromD64toC74
Windows
Mostly DoubleFull Double

Windows upgraded, improving insulation

Roof
GoodVery Good

Roof insulation improved

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th centurySemi-Detached HouseEPC C

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.

From £895 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Fairfield Avenue, Datchet, Slough, SL3 9NQ, sourced from the PlanIt planning register.

1 application on record at 21 Fairfield Avenue, Datchet, Slough, SL3 9NQ

1decisions1extensions22documents
  1. Jan 2021
    Loft ConversionFull
    Outcome 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
    Full record in report

Unlock 21 Fairfield Avenue, Datchet, Slough, SL3 9NQ's full planning history

You're seeing the shape of it. The report has the substance.

  • 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
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 Fairfield Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£669,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2017)

£446,000

Recorded with HM Land Registry.

Sales timeline

  1. 3 March 2017Most recent

    £446,000

Median price across the last 5 sales in SL3 9NQ: £638,000 (2026–2023).

On the street

Versus other Fairfield Avenue homes

Four headline reads against 20 similar houses on this street, drawn from the latest EPC and Land Registry data.

On epc rating, 21 Fairfield Avenue stands well clear of the street.

Price per m²

£3,405

Street avg £4,540

Strongly below

Floor Area

131 m²

Street avg 241 m²

Strongly above

Habitable Rooms

5 rooms

Street avg 5 rooms

On par

CO₂ Emissions

3.2 t/year

Street avg 13.0 t/year

Strongly above
Before you decide

Everything you need to know about 21 Fairfield Avenue

The true value, the hidden risks and the full sale history, in one report.

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£677k

1 Ditton Road, Datchet

SL3 9LJ

4 bed2 bath
£611k

1 Fairfield Avenue, Datchet

SL3 9NQ

3 bed1 bath
£786k

1 Eton Close, Datchet

SL3 9BE

5 bed2 bath
£545k

1 Fairfield Close, Datchet

SL3 9NG

3 bed1 bath
£544k

1 Derby Cottages, Horton Road, Horton

SL3 9NX

3 bed1 bath
£850k

1 Burlington Mews, Datchet

SL3 9EE

£853k

1 Agars Place, Datchet

SL3 9AH

£862k

1 Elmcroft, Datchet

SL3 9DS

4 bed3 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Slough district page.
Full Slough report

Rail-style transport is unusually close for this postcode.

Crime

298/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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around SL3 9NQ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SL3 9NQ

Daytime· 07:00 – 23:00

57.4dB

Moderate
Night-time road noise heatmap for SL3 9NQ

Night-time· 23:00 – 07:00

51.5dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Fairfield Avenue, Datchet, Slough, SL3 9NQ. Each answer is also embedded as structured data for search engines.