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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.

Area guide

SW3 area guide — property prices & local market

Everything you need to know about buying property in the SW3 postcode area, covering London and surrounding areas. All price data sourced from HM Land Registry — updated July 2026.

SW3 area price snapshot

Average price

£1,358,080

Median price

£890,000

5-year trend

+40.2%

Total sales

17,683

The SW3 area has 676 individual postcodes with 17,683 registered sales. Prices are +242.3% above the national average, with the largest concentration in London. The five-year price movement is +40.2%.

About London

The capital offers unparalleled transport connectivity, cultural institutions and employment opportunities across zones 1–6.

🚆 Main station

Multiple (Paddington, Euston, Kings Cross, Liverpool Street, etc.)

⏱️ London commute

Local (London)

View full London property data →

Market context

With an average of £1,358,080, the SW3 area sits in the premium price bracket, +242.3% above the national average. Premium pricing typically reflects location desirability, transport connectivity and local amenities. The dataset includes 17,683 recorded sales across 676 postcodes.

The five-year price trend in SW3 is +40.2%, significantly outpacing many other areas. This level of growth may reflect improving local amenities, transport links or broader regeneration.

Buying tips for SW3

  • 💰Check mortgage affordability early. Premium areas often require larger deposits. Get a mortgage Agreement in Principle before making offers to strengthen your position with sellers.
  • 🏫School catchments affect values. In premium areas, proximity to Outstanding-rated schools can add 10-20% to property prices. Use the local Ofsted data alongside sold prices.
  • 🧮Factor in Stamp Duty. Use the Stamp Duty Calculator to estimate purchase costs based on the average price in SW3.
  • 🏘️Explore London. Much of the SW3 activity centres on London. Check the town-level data for more granular market analysis.
  • 💡Check individual postcodes. Average prices can mask significant variation between postcodes in the SW3 area. Browse the individual postcode pages to find properties that match your budget.
  • 💡Compare asking prices to sold prices. Use the Asking Price Checker to see whether a listing price aligns with local sold-price evidence.
  • 💡Use sold prices as evidence, not valuation. Historical data helps you understand market trends but does not replace a professional valuation by a qualified surveyor.

Top postcodes in SW3

SW3 5NT

£676,725 avg · 164 sales

SW3 6RS

£1,836,753 avg · 134 sales

SW3 6BU

£658,482 avg · 120 sales

SW3 5QP

£2,821,885 avg · 109 sales

SW3 5AF

£615,485 avg · 105 sales

SW3 3TT

£302,045 avg · 104 sales

SW3 6AU

£1,203,953 avg · 104 sales

SW3 4LJ

£455,068 avg · 103 sales

SW3 4TB

£1,334,407 avg · 103 sales

View all 676 postcodes in SW3 →

Useful tools for SW3 buyers

🧮

Stamp Duty ~£79,558

Avg £1,358,080 in SW3

Full guide →

📊

Asking Price Checker

Compare asking prices with sold-price evidence

📖

Stamp Duty Guide

Complete 2025 SDLT, LTT & LBTT guide

⚖️

Location Comparison

Compare SW3 with other areas

🏘️

London data

Full town-level property statistics

About this guide

This SW3 area guide is based on HM Land Registry Price Paid Data, covering registered residential property sales in England and Wales from January 1995 onwards. All figures are historical sold prices, not current valuations or asking prices.

Data last updated: July 2026 · View methodology

Frequently asked questions

What is the average house price in SW3?

The average sold price in the SW3 postcode area is £1,358,080, based on 17,683 HM Land Registry transactions. The largest town in this area is London.

How do SW3 house prices compare to the UK average?

Properties in SW3 average £1,358,080, which is +242.3% above the national average of £396,803 for England and Wales.

Why is the median price in SW3 lower than the average?

The median price (£890,000) is 34.5% below the average (£1,358,080), suggesting a mix of property types or a few high-value sales pulling the mean upward. This is common in areas with both affordable and premium housing.

How have SW3 house prices changed over 5 years?

Prices in SW3 have moved +40.2% over five years, reflecting broader UK house price growth. The large sample size gives confidence in this trend.

Are these area guide prices valuations or asking prices?

No. All figures on this page are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, estate agent asking prices, or financial advice. Always seek professional advice before making property decisions.

Related guides

Asking Price vs Sold Price in the UK

Understand the difference between asking prices and actual sold prices.

How to Use Sold Prices When Making an Offer

Use sold-price evidence to prepare for a UK property offer.

Down Valuations: What to Do

Respond to a low mortgage valuation with local sold-price evidence.

View all guides →