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.
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Where is SW1Y?
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
| Postcode | Superfast | Gigabit |
|---|---|---|
| SW1Y 4AA | 100% | 100% |
| SW1Y 4AD | 100% | 100% |
| SW1Y 4AE | 100% | 100% |
| SW1Y 4AH | 0% | 0% |
| SW1Y 4AJ | 0% | 0% |
| SW1Y 4AL | 100% | 100% |
| SW1Y 4AN | 100% | 100% |
| SW1Y 4AR | 100% | 100% |
| SW1Y 4AU | 100% | 100% |
| SW1Y 4BE | 100% | 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
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 13 Feb 2026 | £675,000 | Flat | Duke Of York Street | SW1Y 6JX |
| 12 Feb 2026 | £1,175,000 | Flat | Jermyn Street | SW1Y 6HR |
| 6 Feb 2026 | £1,405,003 | Flat | Cockspur Street | SW1Y 5BN |
| 18 Dec 2025 | £800,000 | Flat | Pall Mall | SW1Y 5LU |
| 21 Nov 2025 | £450,000 | Flat | Jermyn Street | SW1Y 6NP |
| 19 Nov 2025 | £4,050,000 | Flat | Pall Mall | SW1Y 5JG |
| 9 May 2025 | £4,200,000 | Terraced | Oxendon Street | SW1Y 4EE |
| 30 Apr 2025 | £11,500,000 | Other | Jermyn Street | SW1Y 6NP |
| 30 Apr 2025 | £780,000 | Flat | Duke Street | SW1Y 6BL |
| 31 Mar 2025 | £915,000 | Flat | Masons Yard | SW1Y 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 15 | 16.5% |
| 15–29 | 36.8% |
| 30–44 | 22.8% |
| 45–64 | 14.4% |
| 65+ | 9.6% |
| Housing tenure | |
|---|---|
| Owner-occupied | 42.5% |
| Private rented | 36.4% |
| Social rented | 7.2% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around SW1Y
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Soho Parish CofE Primary School | Primary | 3–11 | 90 | W1D 7LF |
| London Park School Mayfair and London Park School Sixth | Not applicable | 11–18 | 202 | W1J 7NL |
| Harris Westminster Sixth Form | 16 plus | 16–19 | 610 | SW1H 9LH |
| St George's Hanover Square CofE Primary School | Primary | 3–11 | 73 | W1K 2XH |
| The Royal Ballet School | Not applicable | 11–19 | 227 | WC2E 9DA |
| Westminster Abbey Choir School | Not applicable | 8–13 | 27 | SW1P 3NY |
| Westminster City School | Secondary | 11–18 | 790 | SW1E 5HJ |
| University of Westminster | Not applicable | — | — | W1B 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:
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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.
Postcodes in SW1Y
Neighbouring districts
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Frequently asked questions
Where is the SW1Y postcode?
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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.
