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Postcode area report · 182 postcodes

SW1Y postcode area guide — Wandsworth

House prices, crime, broadband speeds, mobile signal, schools and demographics for the SW1Y postcode district in Wandsworth — every official dataset on one page.

SW1Y covers Wandsworth in England and spans 182 live postcodes. The surrounding Wandsworth district has a population of roughly 327,506. The median sold house price in SW1Y over the last 12 months is £800,000.

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Where is SW1Y?

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Broadband & internet speeds in SW1Y

Excellent coverage

Superfast (30Mb+)

83.7%

Ultrafast (300Mb+)

83.7%

Gigabit-capable

83.7%

Below USO (10Mb)

0%

Broadband availability in the SW1Y postcode district (Wandsworth) is Excellent — gigabit-capable full fibre is widely available. Across the 182 postcodes Ofcom measures in SW1Y, superfast broadband (30 Mbit/s or faster) reaches 83.7% of premises and gigabit-capable lines are available to 83.7%.

Around 0% of premises in SW1Y fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in SW1Y

PostcodeSuperfastGigabit
SW1Y 4AA100%100%
SW1Y 4AD100%100%
SW1Y 4AE100%100%
SW1Y 4AH0%0%
SW1Y 4AJ0%0%
SW1Y 4AL100%100%
SW1Y 4AN100%100%
SW1Y 4AR100%100%
SW1Y 4AU100%100%
SW1Y 4BE100%100%

Run a speed test to see what you're actually getting, or check your exact postcode.

Mobile signal around Wandsworth

Ofcom's coverage model for the wider Wandsworth district (167,710 premises):

4G indoors — all networks

99.7%

4G outdoors — all networks

100%

5G outdoors — all networks

100%

Voice indoors — all networks

99.8%

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

House prices in SW1Y

Based on 6 sales registered with HM Land Registry in the last 12 months, the median sold price in SW1Y is £800,000, down 57.1% on the previous year (£1,865,000).

Flat / maisonette

£800,000

6 sales

Latest recorded sales in SW1Y

DatePriceTypeStreetPostcode
13 Feb 2026£675,000FlatDuke Of York StreetSW1Y 6JX
12 Feb 2026£1,175,000FlatJermyn StreetSW1Y 6HR
6 Feb 2026£1,405,003FlatCockspur StreetSW1Y 5BN
18 Dec 2025£800,000FlatPall MallSW1Y 5LU
21 Nov 2025£450,000FlatJermyn StreetSW1Y 6NP
19 Nov 2025£4,050,000FlatPall MallSW1Y 5JG
9 May 2025£4,200,000TerracedOxendon StreetSW1Y 4EE
30 Apr 2025£11,500,000OtherJermyn StreetSW1Y 6NP
30 Apr 2025£780,000FlatDuke StreetSW1Y 6BL
31 Mar 2025£915,000FlatMasons YardSW1Y 6BU

Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.

Who lives here? Wandsworth demographics

Census 2021 figures for the wider Wandsworth district (327,506 residents, 137,392 households):

Age profile
Under 1516.5%
15–2936.8%
30–4422.8%
45–6414.4%
65+9.6%
Housing tenure
Owner-occupied42.5%
Private rented36.4%
Social rented7.2%

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around SW1Y

SchoolPhaseAgesPupilsPostcode
Soho Parish CofE Primary SchoolPrimary3–1190W1D 7LF
London Park School Mayfair and London Park School SixthNot applicable11–18202W1J 7NL
Harris Westminster Sixth Form16 plus16–19610SW1H 9LH
St George's Hanover Square CofE Primary SchoolPrimary3–1173W1K 2XH
The Royal Ballet SchoolNot applicable11–19227WC2E 9DA
Westminster Abbey Choir SchoolNot applicable8–1327SW1P 3NY
Westminster City SchoolSecondary11–18790SW1E 5HJ
University of WestminsterNot applicableW1B 2UW

Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.

Food hygiene ratings in SW1Y

124 rated food businesses operate in SW1Y. 85 hold the top rating of 5, 16 are rated 4, and 6 are rated 2 or below.

Among the 5-rated: 67 Pall Mall, Army & Navy Club, Bardo St James'S, Bartlett Mitchell Ltd, Bartlett Mitchell ltd @ CapVest.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in SW1Y

From a sample of 33 Energy Performance Certificates across 2 SW1Y postcodes, the most common rating is band D (average band D). 39% of sampled homes are rated C or better.

Band B

18%

Band C

21%

Band D

33%

Band E

21%

Band F

6%

Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.

Phone area codes for Wandsworth

Landlines around SW1Y typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in SW1Y?

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Moving to SW1Y? Sort your connectivity first

We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Wandsworth — free, no-obligation quote.

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Postcodes in SW1Y

Neighbouring districts

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Frequently asked questions

Where is the SW1Y postcode?
SW1Y covers Wandsworth in England. It contains 182 live postcodes. Use the map and the postcode list on this page to pinpoint an exact address.
How much do houses cost in SW1Y?
The median sold price in SW1Y over the last 12 months is £800,000, based on 6 HM Land Registry recorded sales. See the house-price section above for medians by property type and the most recent sales.
What broadband can I get in SW1Y?
Superfast broadband reaches 83.7% of premises in SW1Y and gigabit-capable services 83.7%, per Ofcom Connected Nations. Enter a full postcode in the checker on this page for address-level availability.
Who lives in SW1Y?
In the wider Wandsworth district, 42% of households own their home, 36% rent privately and 7% are in social housing (Census 2021). The age profile and household counts are in the demographics section above.
How energy efficient are homes in SW1Y?
Across a sample of 33 Energy Performance Certificates in SW1Y, the most common rating is band D and the average is band D. 13 of the sampled homes are rated C or better. See the EPC section above for the full band breakdown.

Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.

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