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Postcode · SL4 1SS

SL4 1SS

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Property report — SL4 1SS

Open-data due diligence for SL4 1SS and the area around it.

SL4 1SS in brief: 59 recorded sales (£30,000–£374,950) · low flood risk · 6 schools nearby.

What scope is each figure? Sold sales, broadband and flood risk are for SL4 1SS itself. Where open data isn't published that finely (population, crime, schools), we show the SL4 1 sector — each figure below is tagged with its scope.

Avg sold price

£1,468,045

sector SL4 1 · 72 sales

Population

10,983

sector SL4 1

Crimes recorded

98

sector SL4 1 · Apr 26

Schools

1

sector SL4 1

Flood risk

Low

this postcode

Gigabit broadband

41%

sector SL4 1 of premises

Sold-price trend (1995–2026)

1995: mean £112,086, median £82,750 (80 sales)1996: mean £104,283, median £100,000 (100 sales)1997: mean £122,813, median £116,250 (142 sales)1998: mean £164,535, median £145,000 (131 sales)1999: mean £178,850, median £167,000 (123 sales)2000: mean £201,772, median £181,500 (102 sales)2001: mean £228,145, median £196,500 (118 sales)2002: mean £268,929, median £230,000 (132 sales)2003: mean £278,819, median £235,000 (110 sales)2004: mean £318,145, median £265,500 (104 sales)2005: mean £314,711, median £280,000 (108 sales)2006: mean £328,859, median £305,232 (106 sales)2007: mean £413,322, median £340,000 (101 sales)2008: mean £367,379, median £317,500 (59 sales)2009: mean £341,593, median £295,000 (55 sales)2010: mean £413,064, median £355,000 (69 sales)2011: mean £380,351, median £315,250 (49 sales)2012: mean £572,505, median £350,500 (72 sales)2013: mean £527,446, median £337,500 (92 sales)2014: mean £598,663, median £425,000 (107 sales)2015: mean £575,730, median £510,000 (87 sales)2016: mean £500,182, median £411,300 (123 sales)2017: mean £1,059,499, median £620,000 (99 sales)2018: mean £1,135,377, median £570,000 (57 sales)2019: mean £1,397,329, median £538,750 (86 sales)2020: mean £690,825, median £600,000 (55 sales)2021: mean £664,556, median £525,000 (102 sales)2022: mean £1,511,073, median £615,000 (103 sales)2023: mean £769,404, median £430,000 (84 sales)2024: mean £1,468,045, median £650,000 (72 sales)2025: mean £652,042, median £522,100 (74 sales)2026: mean £472,222, median £468,000 (9 sales)1995: mean £112,086, median £82,750 (80 sales)1996: mean £104,283, median £100,000 (100 sales)1997: mean £122,813, median £116,250 (142 sales)1998: mean £164,535, median £145,000 (131 sales)1999: mean £178,850, median £167,000 (123 sales)2000: mean £201,772, median £181,500 (102 sales)2001: mean £228,145, median £196,500 (118 sales)2002: mean £268,929, median £230,000 (132 sales)2003: mean £278,819, median £235,000 (110 sales)2004: mean £318,145, median £265,500 (104 sales)2005: mean £314,711, median £280,000 (108 sales)2006: mean £328,859, median £305,232 (106 sales)2007: mean £413,322, median £340,000 (101 sales)2008: mean £367,379, median £317,500 (59 sales)2009: mean £341,593, median £295,000 (55 sales)2010: mean £413,064, median £355,000 (69 sales)2011: mean £380,351, median £315,250 (49 sales)2012: mean £572,505, median £350,500 (72 sales)2013: mean £527,446, median £337,500 (92 sales)2014: mean £598,663, median £425,000 (107 sales)2015: mean £575,730, median £510,000 (87 sales)2016: mean £500,182, median £411,300 (123 sales)2017: mean £1,059,499, median £620,000 (99 sales)2018: mean £1,135,377, median £570,000 (57 sales)2019: mean £1,397,329, median £538,750 (86 sales)2020: mean £690,825, median £600,000 (55 sales)2021: mean £664,556, median £525,000 (102 sales)2022: mean £1,511,073, median £615,000 (103 sales)2023: mean £769,404, median £430,000 (84 sales)2024: mean £1,468,045, median £650,000 (72 sales)2025: mean £652,042, median £522,100 (74 sales)2026: mean £472,222, median £468,000 (9 sales) MeanMedian £1,511,073 £82,750 1995 2026*

Annual sold price in SL4 1, 1995–2026 — mean (blue) and median (terracotta). The median is the typical sale; a wide gap to the mean means a few high-value sales pull the average up. 2026 is a part year (9 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.

Sold prices on this postcode

DatePriceAddressType
2025-01-22£350,0002 ATHLONE SQUAREFlat
2025-01-09£185,0009 ATHLONE SQUAREFlat
2023-08-04£215,00017 ATHLONE SQUAREFlat
2023-06-28£206,0001 ATHLONE SQUAREFlat
2023-06-15£285,00013 ATHLONE SQUAREFlat
2022-09-28£30,000GARAGE 7 ATHLONE SQUAREOther
2022-09-12£374,95019 ATHLONE SQUAREFlat
2022-04-28£303,00026 ATHLONE SQUAREFlat
2021-10-29£285,00012 ATHLONE SQUAREFlat
2021-06-30£350,00025 ATHLONE SQUARETerraced
2021-06-15£280,00013 ATHLONE SQUAREFlat
2021-03-31£260,00033 ATHLONE SQUAREFlat
2018-05-10£349,00024 ATHLONE SQUAREFlat
2018-02-16£300,00026 ATHLONE SQUAREFlat
2017-10-18£315,00015 ATHLONE SQUAREFlat
2017-05-05£340,0002 ATHLONE SQUAREFlat
2016-10-04£357,00018 ATHLONE SQUAREFlat
2016-02-12£320,00019 ATHLONE SQUAREFlat
2016-02-11£289,95013 ATHLONE SQUAREFlat
2015-10-08£280,00019 ATHLONE SQUAREFlat
2013-12-23£225,00027 ATHLONE SQUAREFlat
2013-12-20£267,00018 ATHLONE SQUAREFlat
2013-10-17£185,00016 ATHLONE SQUAREFlat
2012-09-04£231,0003 ATHLONE SQUAREFlat
2012-08-10£222,50010 ATHLONE SQUAREFlat
2011-12-12£210,00014 ATHLONE SQUAREFlat
2011-06-08£195,00015 ATHLONE SQUAREFlat
2010-05-28£170,00016 ATHLONE SQUAREFlat
2009-08-14£215,0002 ATHLONE SQUAREFlat
2009-07-17£240,00018 ATHLONE SQUAREFlat
2007-08-31£275,10025 ATHLONE SQUARETerraced
2007-08-20£250,00024 ATHLONE SQUAREFlat
2007-08-20£249,00013 ATHLONE SQUAREFlat
2006-08-30£160,00028 ATHLONE SQUARETerraced
2006-07-14£205,00026 ATHLONE SQUAREFlat
2006-06-28£193,00014 ATHLONE SQUAREFlat
2006-01-26£210,00011 ATHLONE SQUAREFlat
2006-01-20£210,00013 ATHLONE SQUAREFlat
2004-03-12£206,00018 ATHLONE SQUAREFlat
2003-12-19£210,00024 ATHLONE SQUAREFlat
2003-07-01£178,00013 ATHLONE SQUAREFlat
2003-01-31£160,0006 ATHLONE SQUAREFlat
2001-07-27£127,50027 ATHLONE SQUAREFlat
2001-05-18£153,00011 ATHLONE SQUAREFlat
2001-01-25£95,00016 ATHLONE SQUAREFlat
2001-01-12£145,0003 ATHLONE SQUAREFlat
2000-07-07£118,00026 ATHLONE SQUAREFlat
2000-04-18£125,50018 ATHLONE SQUAREFlat
1999-09-08£120,50024 ATHLONE SQUAREFlat
1999-07-23£92,0007 ATHLONE SQUAREFlat
1999-07-09£87,0005 ATHLONE SQUAREFlat
1997-10-23£54,00032 ATHLONE SQUAREFlat
1997-08-22£64,0004 ATHLONE SQUAREFlat
1997-01-31£52,00026 ATHLONE SQUAREFlat
1996-11-08£53,00012 ATHLONE SQUAREFlat
1996-07-23£63,0002 ATHLONE SQUAREFlat
1996-02-23£53,0005 ATHLONE SQUAREFlat
1995-10-16£49,00026 ATHLONE SQUAREFlat
1995-09-15£55,5007 ATHLONE SQUAREFlat

59 recorded sales on SL4 1SS. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.

Nearest schools

SchoolDistancePhaseOfsted
Trinity St Stephen CofE Aided First School0.2 miPrimaryReport card →
The Windsor Boys' School0.3 miSecondaryReport card →
Eton Porny CofE First School0.6 miPrimaryReport card →
Oakfield First School0.6 miPrimaryReport card →
St Edward's Catholic First School0.6 miPrimaryGood (2023)
The Queen Anne Royal Free CofE Controlled First School0.7 miPrimaryReport card →

Straight-line distance from the postcode. Ofsted = latest overall effectiveness (newer inspections may be ungraded). Sources: Get Information about Schools (DfE) · Ofsted.

What's nearby

Nearest GP surgeries: CLARENCE MEDICAL CENTRE (0.2 mi) · SHEET STREET SURGERY (0.4 mi) · LEE HOUSE SURGERY (0.4 mi)

Nearest hospitals: HRH PRINCESS CHRISTIAN'S HOSPITAL (0.2 mi) · THE PRINCESS MARGARET HOSPITAL (0.6 mi) · PRINCESS MARGARET HOSPITAL (0.6 mi)

Nearest listed buildings: 2-11, CLARENCE CRESCENT (Grade II) (0.1 mi) · WALL WITH RAILINGS AND GATES TO WINDSOR METHODIST CHURCH (Grade II) (0.1 mi) · K6 Telephone Kiosk, Clarence Road, Windsor (Grade II) (0.2 mi)

Nearest pharmacies: SUPERDRUG PHARMACY (0.2 mi) · BOOTS (0.2 mi) · WINDSOR PHARMACY (0.2 mi)

Nearest stations: Windsor & Eton Central (0.2 mi) · Windsor & Eton Riverside (0.4 mi) · Datchet (1.5 mi)

Nearest supermarkets: The Co-operative Food (0.0 mi) · Waitrose (0.2 mi) · Jessica's Food & Wine (0.6 mi)

Straight-line distance from the postcode. Source: NaPTAN (DfT).

Who lives here

Median age
37
One-person households
39%
Households with children
23%
Households
4,242

Owned 49% · Social rent 10% · Private rent 41%

Census 2021 (ONS), for SL4 1.

Recorded crime trend

May 24: 82 crimesJun 24: 82 crimesJul 24: 61 crimesAug 24: 60 crimesSep 24: 66 crimesOct 24: 76 crimesNov 24: 67 crimesDec 24: 92 crimesJan 25: 68 crimesFeb 25: 54 crimesMar 25: 61 crimesApr 25: 54 crimesMay 25: 66 crimesJun 25: 66 crimesJul 25: 104 crimesAug 25: 102 crimesSep 25: 94 crimesOct 25: 80 crimesNov 25: 82 crimesDec 25: 93 crimesJan 26: 51 crimesFeb 26: 63 crimesMar 26: 84 crimesApr 26: 98 crimes Apr 26: 98 crimes 104 51 May 24 Apr 26

Recorded crimes per month in SL4 1 (May 24–Apr 26, average 75/month). Hover a point to read the count. Source: Police.uk street-level data.

Flood risk

Modelled flood risk for SL4 1SS: Low — 34 properties here fall in an at-risk band (0 in the significant Medium/High bands).

This is an indicative band for the postcode from the Environment Agency's catchment modelling (rivers and surface water), not a property-specific assessment. A conveyancer will run an official flood search before you buy. Check the exact address on the official Environment Agency map →

Source: Environment Agency Risk of Flooding from Rivers and Sea (the official dataset name). Indicative catchment data, not an official property flood search.

How granular is this?

Measure DistrictSL4 SectorSL4 1 PostcodeSL4 1SS
Average sold price£769,893£1,468,045£200,822
Population57,43310,983—
Deprivation decile (1 = most deprived)8/108/10—
Crimes recorded34898—
Schools301—
Flood riskHighHighLow
Gigabit broadband77%41%100%
Superfast broadband93%75%100%

— = no separate figure is published at that level. Most open data is published down to the sector (SL4 1); the postcode column is built from the layers that go finer (sold transactions, Ofcom broadband). Sources: HM Land Registry · Police.uk · Ofsted/GIAS · ONS & IoD2025 · Environment Agency · Ofcom.

Your next steps

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Report generated 30 June 2026. Open data is refreshed periodically; HM Land Registry Price Paid typically lags by around two months, so the most recent sales may not appear yet.

Contains OS data © Crown copyright and database right 2026

Contains Royal Mail data © Royal Mail copyright and database right 2026

Contains National Statistics data © Crown copyright and database right 2026

Indicative due diligence compiled from public open data. Not a substitute for a regulated conveyancing or property search, a survey, or professional advice.