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Postcode · SL1 1DY

SL1 1DY

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Property report — SL1 1DY

Open-data due diligence for SL1 1DY and the area around it.

SL1 1DY in brief: 50 recorded sales (£125,000–£3,800,000) · no modelled flood risk · 6 schools nearby.

What scope is each figure? Sold sales, broadband and flood risk are for SL1 1DY itself. Where open data isn't published that finely (population, crime, schools), we show the SL1 1 sector — each figure below is tagged with its scope.

Avg sold price

£315,781

sector SL1 1 · 48 sales

Population

15,824

sector SL1 1

Crimes recorded

127

sector SL1 1 · Apr 26

Schools

1

sector SL1 1

Flood risk

None modelled

this postcode

Gigabit broadband

88%

sector SL1 1 of premises

Sold-price trend (1995–2026)

1995: mean £48,225, median £45,500 (63 sales)1996: mean £56,757, median £50,000 (95 sales)1997: mean £60,522, median £51,500 (111 sales)1998: mean £68,317, median £58,225 (136 sales)1999: mean £77,667, median £69,500 (115 sales)2000: mean £90,595, median £75,500 (143 sales)2001: mean £118,850, median £95,000 (113 sales)2002: mean £146,518, median £120,000 (117 sales)2003: mean £141,102, median £129,950 (119 sales)2004: mean £155,885, median £136,000 (123 sales)2005: mean £179,651, median £180,000 (99 sales)2006: mean £177,933, median £154,000 (113 sales)2007: mean £181,310, median £171,558 (192 sales)2008: mean £186,449, median £173,500 (98 sales)2009: mean £172,467, median £150,000 (73 sales)2010: mean £169,117, median £151,500 (30 sales)2011: mean £186,960, median £153,500 (26 sales)2012: mean £202,535, median £143,500 (44 sales)2013: mean £161,144, median £135,000 (43 sales)2014: mean £211,689, median £164,950 (81 sales)2015: mean £282,213, median £237,500 (153 sales)2016: mean £300,227, median £220,250 (306 sales)2017: mean £587,632, median £227,500 (99 sales)2018: mean £484,893, median £235,225 (271 sales)2019: mean £340,365, median £235,000 (114 sales)2020: mean £340,147, median £250,000 (45 sales)2021: mean £582,111, median £255,000 (121 sales)2022: mean £355,032, median £233,375 (108 sales)2023: mean £1,033,369, median £340,000 (93 sales)2024: mean £315,781, median £247,500 (48 sales)2025: mean £426,151, median £240,000 (71 sales)2026: mean £216,656, median £197,500 (16 sales)1995: mean £48,225, median £45,500 (63 sales)1996: mean £56,757, median £50,000 (95 sales)1997: mean £60,522, median £51,500 (111 sales)1998: mean £68,317, median £58,225 (136 sales)1999: mean £77,667, median £69,500 (115 sales)2000: mean £90,595, median £75,500 (143 sales)2001: mean £118,850, median £95,000 (113 sales)2002: mean £146,518, median £120,000 (117 sales)2003: mean £141,102, median £129,950 (119 sales)2004: mean £155,885, median £136,000 (123 sales)2005: mean £179,651, median £180,000 (99 sales)2006: mean £177,933, median £154,000 (113 sales)2007: mean £181,310, median £171,558 (192 sales)2008: mean £186,449, median £173,500 (98 sales)2009: mean £172,467, median £150,000 (73 sales)2010: mean £169,117, median £151,500 (30 sales)2011: mean £186,960, median £153,500 (26 sales)2012: mean £202,535, median £143,500 (44 sales)2013: mean £161,144, median £135,000 (43 sales)2014: mean £211,689, median £164,950 (81 sales)2015: mean £282,213, median £237,500 (153 sales)2016: mean £300,227, median £220,250 (306 sales)2017: mean £587,632, median £227,500 (99 sales)2018: mean £484,893, median £235,225 (271 sales)2019: mean £340,365, median £235,000 (114 sales)2020: mean £340,147, median £250,000 (45 sales)2021: mean £582,111, median £255,000 (121 sales)2022: mean £355,032, median £233,375 (108 sales)2023: mean £1,033,369, median £340,000 (93 sales)2024: mean £315,781, median £247,500 (48 sales)2025: mean £426,151, median £240,000 (71 sales)2026: mean £216,656, median £197,500 (16 sales) MeanMedian £1,033,369 £45,500 1995 2026*

Annual sold price in SL1 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 (16 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.

Sold prices on this postcode

DatePriceAddressType
2022-10-14£3,260,00023 HIGH STREETOther
2022-04-14£125,000FLAT 27, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2020-11-09£2,515,000FLAT 2, PRINCES HOUSE, 9 - 15 HIGH STREETOther
2020-01-31£200,000FLAT 24, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-09-12£165,000COMM 1, PRINCES HOUSE, 15 HIGH STREETOther
2019-03-27£228,000FLAT 25, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-15£127,187FLAT 19, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-15£127,187FLAT 20, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-15£127,187FLAT 21, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-15£127,187FLAT 22, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-15£127,187FLAT 26, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-15£127,187FLAT 27, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-15£127,187FLAT 28, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-15£127,187FLAT 29, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£175,000FLAT 2, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£175,000FLAT 3, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£225,000FLAT 4, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£227,000FLAT 8, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£235,000FLAT 12, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£220,000FLAT 16, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£225,000FLAT 24, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£325,000FLAT 30, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£235,000FLAT 32, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£235,000FLAT 34, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£325,000FLAT 35, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£325,000FLAT 36, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£325,000FLAT 37, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£230,000FLAT 39, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2019-03-11£145,000COMM 1, PRINCES HOUSE, 15 HIGH STREETOther
2018-12-20£205,000COMM 2, PRINCES HOUSE, 15 HIGH STREETOther
2018-12-17£171,000FLAT 23, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-12-07£220,000FLAT 17, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-12-05£235,000FLAT 33, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-11-23£237,500FLAT 31, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-11-23£220,000FLAT 18, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-08-20£172,895FLAT 11, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-08-17£234,000FLAT 14, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-08-17£229,000FLAT 9, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-08-17£240,345FLAT 13, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-08-10£235,225FLAT 10, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-07-31£232,745FLAT 6, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-07-31£175,000FLAT 15, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-07-30£225,000FLAT 7, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-07-02£277,500FLAT 41, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-06-22£223,000FLAT 40, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-06-22£225,000FLAT 38, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-06-22£195,000FLAT 1, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2018-06-13£223,000FLAT 5, PRINCES HOUSE, 9 - 15 HIGH STREETFlat
2016-03-02£3,800,000PRINCES HOUSE, 15 HIGH STREETOther
2014-06-11£1,199,999PRINCES HOUSE, 15 HIGH STREETOther

50 recorded sales on SL1 1DY. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.

Nearest schools

SchoolDistancePhaseOfsted
Slough and Eton Church of England Business and Enterprise College0.5 miSecondaryReport card →
Grove Academy0.6 miAll-throughInadequate (2022)
James Elliman Academy0.6 miPrimaryReport card →
St Mary's Church of England Primary School0.7 miPrimaryReport card →
St Joseph's Catholic High School0.8 miSecondaryGood (2022)
Herschel Grammar School0.8 miSecondaryOutstanding (2024)

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: HERSCHEL MEDICAL CENTRE (0.4 mi) · CHAPEL MEDICAL CENTRE (0.4 mi) · CROSBY HOUSE SURGERY (0.5 mi)

Nearest hospitals: UPTON HOSPITAL (0.4 mi) · UPTON COMMUNITY HOSPITAL (0.4 mi) · WEXHAM PARK HOSPITAL (1.8 mi)

Nearest listed buildings: MILESTONE AT SU 9707 8005 (Grade II) (0.2 mi) · Church of Our Lady Immaculate and St. Ethelbert (Grade II) (0.2 mi) · St. Ethelbert's Presbytery (Grade II) (0.2 mi)

Nearest pharmacies: THEONLINECHEMIST.UK LTD (0.1 mi) · J'S CHEMIST (0.3 mi) · TESCO INSTORE PHARMACY (0.4 mi)

Nearest stations: Slough (0.3 mi) · Windsor & Eton Riverside (1.8 mi) · Windsor & Eton Central (2.0 mi)

Nearest supermarkets: Food Plus (0.1 mi) · Tesco Extra (0.4 mi) · Chalvey Supermarket (0.4 mi)

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

Who lives here

Median age
34
One-person households
29%
Households with children
40%
Households
5,648

Owned 33% · Social rent 15% · Private rent 50%

Census 2021 (ONS), for SL1 1.

Recorded crime trend

May 24: 144 crimesJun 24: 158 crimesJul 24: 136 crimesAug 24: 93 crimesSep 24: 119 crimesOct 24: 109 crimesNov 24: 106 crimesDec 24: 87 crimesJan 25: 79 crimesFeb 25: 96 crimesMar 25: 107 crimesApr 25: 112 crimesMay 25: 127 crimesJun 25: 106 crimesJul 25: 138 crimesAug 25: 138 crimesSep 25: 114 crimesOct 25: 117 crimesNov 25: 114 crimesDec 25: 103 crimesJan 26: 98 crimesFeb 26: 93 crimesMar 26: 125 crimesApr 26: 127 crimes Apr 26: 127 crimes 158 79 May 24 Apr 26

Recorded crimes per month in SL1 1 (May 24–Apr 26, average 114/month). Hover a point to read the count. Source: Police.uk street-level data.

Flood risk

No modelled flood risk is recorded for SL1 1DY in the Environment Agency dataset. This is reassuring but not a guarantee — 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 DistrictSL1 SectorSL1 1 PostcodeSL1 1DY
Average sold price£520,526£315,781£406,274
Population104,66315,824—
Deprivation decile (1 = most deprived)5/103/10—
Crimes recorded802127—
Schools291—
Flood riskHighLowLow
Gigabit broadband92%88%100%
Superfast broadband97%98%100%

— = no separate figure is published at that level. Most open data is published down to the sector (SL1 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 2 July 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.