Map & location
Overview
SW1P 3JX falls within the St James's ward of the City of Westminster, one of the most politically significant postcodes in the United Kingdom. The area is bounded by Victoria Street to the south-west, Horseferry Road to the south, and lies within easy walking distance of Parliament Square, Westminster Abbey and St James's Park. Government departments, charitable organisations and professional services dominate the built environment, alongside a mix of residential mansion blocks and modern office developments.
The immediate streetscape is characterised by mid-century and modern office buildings interspersed with Victorian remnants, reflecting Westminster's role as the administrative capital of the UK. Residents and workers here have unrivalled access to the cultural and civic institutions of central London, including the Tate Britain on Millbank, the Supreme Court, and the green open spaces of St James's Park and Victoria Tower Gardens.
Source: HM Land Registry Price Paid
The median sold price here is £1,900,758, around 66% above the wider SW1P district average of £1,142,690 (HM Land Registry, 157 recent sales).
Getting here
SW1P 3JX is exceptionally well served by public transport. Westminster and St James's Park Underground stations on the Circle and District lines are both within comfortable walking distance, as is Victoria mainline and Underground station to the south-west. Numerous bus routes along Victoria Street, Millbank and Horseferry Road connect the area to the West End, South London and beyond. Cycling infrastructure on and around Victoria Embankment and the Quietway network makes cycling a practical option, and Santander Cycle hire docking stations are available locally. The area is also accessible on foot from several Thames Clipper pier stops on the Embankment.
What it's famous for
SW1P 3JX is one of the most politically charged postcodes in Britain. The area is synonymous with British parliamentary democracy, being home to or immediately adjacent to the Palace of Westminster (Houses of Parliament), Westminster Abbey — where monarchs are crowned — and Parliament Square. Victoria Street is a major arterial road lined with the headquarters of government agencies, trade bodies and NGOs. Nearby Smith Square historically hosted the headquarters of major political parties and is now a celebrated concert venue. The Tate Britain gallery on Millbank, housing the national collection of British art, and the tranquil Victoria Tower Gardens alongside the Thames are beloved local landmarks.
Services & facilities
Multiple central government departments based on Victoria Street and Marsham Street
Local authority serving the wider City of Westminster area
Highest court in the UK, located on Parliament Square
Iconic royal church and UNESCO World Heritage Site
Numerous national charities and NGOs have offices in SW1P
Tourist attractions
Houses of Parliament and iconic clock tower, Elizabeth Tower
~400 mGothic abbey church and venue for royal coronations
~350 mRoyal park with lake and views of Buckingham Palace
~500 mRiverside garden by the Thames with Rodin's Burghers of Calais
~300 mNational gallery of British art from 1500 to the present
~700 mHistoric square surrounded by statues of world statesmen
~400 mGPs, pharmacies & dentists
GP surgeries
SW1P3PB · 020 75892478
~200 mSW1H9HP · 020 72333553
~300 mSW1P2BG · 020 72228593
~550 mPharmacies
SW1A2JR · 020 79304571
~200 mSW1H0AZ · 020 72221828
~500 mSW1P2HY · 02072 221589
~600 mDentists
SW1P3LT
~400 mSW1H0EU
~500 mSource: NHS Organisation Data Service
Schools & universities
The nearest school, Westminster School, is ~200 m away.
Other independent school
~200 mOther independent school
~250 mFree schools 16 to 19
~300 mVoluntary aided school
~400 mCommunity special school
~550 mSource: Get Information About Schools (DfE)
Businesses & shops
Numerous ministerial departments and agencies located nearby
Law firms and policy consultancies serving Westminster institutions
Press offices and broadcasters covering Parliament operate locally
Several business hotels and conference venues on Victoria Street
Financial institutions with London headquarters in the vicinity
Gyms & leisure
Royal park ideal for walking, picnics and wildlife spotting
~500 mBaroque church converted to a celebrated classical music venue
~300 mFree-entry national gallery with regular exhibitions and events
~700 mQuiet Thames-side garden with sculptures and river views
~300 mTraditional pubs serving parliamentary staff and local workers
Service providers
Full fibre and FTTC broadband available in SW1P
Cable broadband service available in parts of SW1P
Excellent 4G/5G coverage from all major operators in central London
Regular collections; nearest post offices on Victoria Street
Residential & community
Purpose-built Victorian and Edwardian mansion blocks with large flats
Contemporary residential developments within mixed-use buildings
Blend of residential, government office and commercial properties
High proportion of privately rented flats typical of inner Westminster
Transport
Train & Tube
Westminster Station
Westminster
St James's Park Station
St Jamess Park
Charing Cross
Charing Cross
Embankment
Embankment
Bus stops
Victoria Street / Broadway
Frequent buses south-west towards Victoria and north to West End
Horseferry Road
Local services connecting Pimlico, Vauxhall and Westminster
Millbank
Thames-side services towards Vauxhall and Trafalgar Square
Cycle hire
Santander Cycles — Abingdon Street
TfL hire bikes docking station near the Houses of Parliament
Santander Cycles — Horseferry Road
Docking station on Horseferry Road for TfL cycle hire
Source: NaPTAN (DfT)
EV, defibrillators & more
EV charging
Westminster EV Charging
On-street EV charge points operated by Westminster City Council
Defibrillators
Defibrillator — Westminster Station
Publicly accessible AED at Westminster Underground station
Postboxes & Post Office
Post Office — Victoria Street
Main post office branch serving the SW1P area
Fuel stations
Nearest Fuel Station
Petrol stations available on Vauxhall Bridge Road to the south
Places of worship
Royal Peculiar and UNESCO World Heritage Site
~350 mMother church of the Catholic Church in England and Wales
~700 mFormer parish church, now primarily a concert venue
~300 mMethodist church and major conference venue on Storey's Gate
~400 mCrime & safety
Recorded crime here runs about 1249% above the national average (918.2 crimes per 1,000 residents per month, police.uk).
3202 street-level crimes were reported within about a mile of this postcode in April 2026.
Source: data.police.uk. Locations are approximate (anonymised to map points) and cover England, Wales & Northern Ireland.
Area data & demographics
This neighbourhood falls in deprivation decile 5 of 10 (1 = most deprived), among the more deprived areas (Indices of Deprivation).
At the 2021 Census, this neighbourhood (LSOA) had a usual resident population of about 2,102.
Housing & utilities
Predominantly privately rented flats; owner-occupation less common than in outer London
Residential properties interspersed with government and office buildings
One of London's most central and historically significant residential addresses
Demographics
Air quality & noise
High traffic on Victoria Street and Millbank affects local air quality
Significant daytime noise from traffic, tourism and political activity
St James's Park and Victoria Tower Gardens provide nearby green relief
Proximity to the Thames; Thames Barrier provides significant protection
FAQs
Where exactly is the postcode SW1P 3JX?
SW1P 3JX is located in the St James's ward of the City of Westminster, in central London, close to Victoria Street, Horseferry Road and the Palace of Westminster.
Which council covers SW1P 3JX?
SW1P 3JX falls within the City of Westminster, a London Borough and metropolitan district of Greater London.
Which parliamentary constituency is SW1P 3JX in?
SW1P 3JX is in the Cities of London and Westminster parliamentary constituency.
What is the area around SW1P 3JX like?
The area is a prestigious, mixed-use part of central London dominated by government offices, historic landmarks, charities and professional services, with some residential mansion blocks. It is busy during the day with civil servants, tourists and parliamentary visitors.
Are there schools near SW1P 3JX?
Several schools serve the area — see the Schools section above for the nearest options, with distances and Ofsted ratings.
What are the nearest green spaces to SW1P 3JX?
St James's Park, a Royal Park with a lake, is approximately 500 metres away, while Victoria Tower Gardens along the Thames is around 300 metres from the postcode.
What well-known landmarks are near SW1P 3JX?
The Palace of Westminster (Houses of Parliament), Westminster Abbey, Parliament Square, St John's Smith Square, and Tate Britain are all within easy walking distance.
Is SW1P 3JX a residential or commercial postcode?
SW1P 3JX is a mixed postcode, combining residential properties (mostly flats and mansion blocks) with significant government office, commercial and civic uses typical of central Westminster.
Nearby postcodes
Other postcodes near SW1P 3JX:
Useful links
Official records and property listings for SW1P 3JX: