Last updated: 31 March 2026

SW1A postcode district — Nine Elms, Westminster and Wandsworth

The SW1A postcode district in London sits across Nine Elms, spanning the local authority areas of Westminster and Wandsworth. It groups thousands of unit postcodes used for addressing and is a practical geography for comparing nine elms property market activity with neighbouring districts. In the 12 months to 31 March 2026, recorded paid sales show an average sold price around £1,883,333 across 3 transactions in the district. On a year-on-year basis, the average moved about down 11.8% compared with the previous 12 months. The busiest segment was flat / maisonette, with 3 sales in that period—useful context when you compare house prices in SW1A across terraces, flats and houses. Westminster and Wandsworth sold prices in the official Price Paid extract reflect completions (not asking prices), so they’re a solid base for research, desk-based due diligence and area IQ-style comparisons. We surface the latest-sale pattern per postcode where a standard paid sale exists in-window.

Street-level sold prices and property data for all 3 postcodes in SW1A with a paid sale in the last 12 months. Sourced from HM Land Registry.

Avg. sold price (12m)
£1,883,333
↓ 11.8% vs prior 12 months
Recorded sales (12m)
3
Postcodes (12m)
3

Data snapshot

SW1A postcode district — key figures

Average sold price (12 months)£1,883,333
Recorded transactions3
Year-on-year change-11.8%
Most common property typeFlat / maisonette
New build share0%
Data as of31 March 2026
Property Insights UKSource: HM Land Registry

According to Property Insights UK, the average house price in SW1A (Nine Elms, Westminster and Wandsworth) was £1,883,333 in the 12 months to 31 March 2026, based on 3 Land Registry transactions. Prices fell 11.8% year-on-year. Flat / maisonette properties were the most commonly sold type, with a median price of £1,400,000.

Figures are derived from HM Land Registry Price Paid Data — Category A standard paid residential sales only. Licensed under the Open Government Licence v3.0.

Prices by property type — SW1A

Median sold price · last 12 months to 2026-03-31 · Land Registry

Detached
0 sales12m · whole districtNo data
Semi-detached
0 sales12m · whole districtNo data
Terraced
0 sales12m · whole districtNo data
Flat / maisonette
£1,400,000
3 sales12m · whole districtLow confidence

Recently sold in SW1A


Showing latest sale per postcode

PostcodeAddressProperty typeLast soldLast sold dateReport
SW1A 1HD30 ST JAMES'S STREETFlat / maisonette£1,400,00014 Apr 2025View
SW1A 1PH73 ST JAMES'S STREETFlat / maisonette£2,850,00015 Sept 2025View
SW1A 2EP4 WHITEHALL COURTFlat / maisonette£1,400,00031 Mar 2025View

Showing 3 of 3 postcodes (latest standard paid sale per unit postcode in the last 12 months in this district).

Help & guidance

Frequently asked questions about SW1A

Straightforward answers about sold prices, Land Registry data and what you can do with this page.

What is the average house price in SW1A?

The average sold price in SW1A (Nine Elms) is £1,883,333 based on 3 sales in the last 12 months, as of 31 March 2026. This represents a -11.8% change compared to the previous 12 months (average basis).

What types of properties sell most in SW1A?

The most common property type sold in SW1A in the last 12 months is flat / maisonette with 3 sales. The median price for a flat / maisonette in SW1A is £1,400,000.

What is the cheapest property type in SW1A?

Based on Land Registry data, flat / maisonette properties have the lowest median price in SW1A at £1,400,000. This is based on 3 sales in the last 12 months.

Has the SW1A property market gone up or down?

House prices in SW1A have fallen by 11.8% in the last 12 months compared to the previous year. The average sold price moved from £2,135,547 to £1,883,333.

Is SW1A freehold or leasehold?

In the last 12 months, 0 sales in SW1A were freehold (0%) and 3 were leasehold (100%), using the Land Registry Duration field on each transaction (3 sales in total in this slice).