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Independent historical sold-price evidence from HM Land Registry for England and Wales.

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© 2026 UK House Prices. Data sourced from HM Land Registry.

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

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SW1Y postcode area house prices

SW1Y has an average sold price of £3,467,994 across 710 HM Land Registry transactions covering 79 postcodes. The largest town grouping is London.

Updated July 2026Records through May 2026HM Land Registry31+ million records

Decision summary

SW1Y at a glance

SW1Y postcode area averages £3,467,994 across 710 completed sales covering 79 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £3,467,994 · Median £3,440,000 · 710 transactions · +217.1% growth · 79 postcodes

Data source
HM Land Registry
Updated July 2026
Sample quality
Usable transaction depth
710 sales across 79 postcodes
Median check
£3,440,000
Median is close to the average
Trend signal
+217.1%
The five-year price movement is +217.1%.
Coverage
79 postcodes
Largest town: London
Data source
HM Land Registry
Sample quality
Usable transaction depth
Median check
£3,440,000
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SW1Y Postcode Area Overview

The SW1Y postcode area averages £3,467,994 across 710 registered sales — above the national average of £396,803 by +774.0%. The median price across constituent postcodes is £3,440,000, closely tracking the average. 79 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is London, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +217.1%, in line with national growth.

Postcodes in SW1Y

SW1Y 6HR£651,426 average75 salesSW1Y 4JH£2,649,397 average58 salesSW1Y 6BL£445,148 average46 salesSW1Y 5LU£1,009,890 average41 salesSW1Y 4EH£322,771 average37 salesSW1Y 4HA£445,815 average34 salesSW1Y 4DL£242,711 average32 salesSW1Y 6JX£390,567 average29 salesSW1Y 6NP£1,513,410 average27 salesSW1Y 6QA£1,167,298 average26 salesSW1Y 6RE£744,352 average26 salesSW1Y 5BN£847,850 average20 salesSW1Y 6QG£2,633,667 average15 salesSW1Y 6BU£599,893 average14 salesSW1Y 4EA£567,165 average13 salesSW1Y 5AD£4,360,308 average13 salesSW1Y 6EE£6,557,151 average13 salesSW1Y 5JH£1,151,708 average12 salesSW1Y 6AA£842,650 average10 sales

Compare postcodes in SW1Y

Use the location comparison tool to put SW1Y postcodes beside other postcode areas, towns or districts before narrowing your shortlist.

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Property valuation guide

Estimate a property value in the SW1Y area

Professional valuers use recent sold prices as comparable evidence. In the SW1Y area, the median sold price is £3,440,000 and the average is £3,467,994, based on 710 HM Land Registry transactions. Over five years, prices have moved +217.1%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £2,924,000–£3,956,000(±15% from median)

These are historical completed-sale prices — not a formal valuation, asking price or investment advice. Use them to sense-check an asking price or set expectations before instructing a surveyor.

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Frequently asked questions

What is the average sold price in the SW1Y postcode area?

The average sold price in SW1Y is £3,467,994, based on 710 HM Land Registry transactions across 79 postcodes.

How does SW1Y compare to the national average?

SW1Y is +774.0% above the England and Wales national average of £396,803.

Are these figures valuations or asking prices?

No. These are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, asking prices or investment advice.

How many postcodes does the SW1Y area cover?

The SW1Y postcode area covers 79 individual postcodes with 710 registered sales. The largest town grouping is London.

More about SW1Y

London townBrowse districtsMarket reportsMethodologyCompare locationsArea guide: SW1Y

About this data

All sold price figures on this page come from HM Land Registry Price Paid Data for England and Wales, published under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right. These are historical completed sale prices — they are not current valuations, not forecasts and not investment advice. Past sale prices do not guarantee future values. Always seek independent professional advice before making property or financial decisions. Read the full methodology for details on data cleaning, grouping and limitations.