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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

TW18 area guide — property prices & local market

Everything you need to know about buying property in the TW18 postcode area, covering Staines and surrounding areas. All price data sourced from HM Land Registry — updated July 2026.

TW18 area price snapshot

Average price

£323,478

Median price

£270,000

5-year trend

+37.4%

Total sales

16,542

The TW18 area has 623 individual postcodes with 16,542 registered sales. Prices are +18.5% below the national average, with the largest concentration in Staines. The five-year price movement is +37.4%.

Market context

TW18 averages £323,478, placing it in the upper-mid range. This tier often attracts a mix of professionals, families and investors, with prices +18.5% below the national average. The dataset includes 16,542 recorded sales across 623 postcodes.

The five-year price trend in TW18 is +37.4%, significantly outpacing many other areas. This level of growth may reflect improving local amenities, transport links or broader regeneration.

Buying tips for TW18

  • ⏱️Timing matters in competitive markets. Upper-mid areas often see properties sell quickly. Use the transaction count and recent sale dates on this site to gauge market speed in TW18.
  • 🚆Factor in commuting costs. Upper-mid prices often reflect transport links. Check train season ticket costs and journey times alongside property prices for a full picture.
  • 🧮Factor in Stamp Duty. Use the Stamp Duty Calculator to estimate purchase costs based on the average price in TW18.
  • 🏘️Explore Staines. Much of the TW18 activity centres on Staines. Check the town-level data for more granular market analysis.
  • 💡Check individual postcodes. Average prices can mask significant variation between postcodes in the TW18 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 TW18

TW18 4QJ

£131,176 avg · 155 sales

TW18 3AW

£173,548 avg · 149 sales

TW18 3AS

£245,482 avg · 135 sales

TW18 4BU

£290,576 avg · 134 sales

TW18 4US

£320,412 avg · 126 sales

TW18 4PB

£262,887 avg · 119 sales

TW18 3DA

£209,539 avg · 105 sales

TW18 2LG

£236,394 avg · 104 sales

TW18 3DF

£260,265 avg · 103 sales

View all 623 postcodes in TW18 →

Useful tools for TW18 buyers

🧮

Stamp Duty ~£6,174

Avg £323,478 in TW18

Full guide →

📊

Asking Price Checker

Compare asking prices with sold-price evidence

📖

Stamp Duty Guide

Complete 2025 SDLT, LTT & LBTT guide

⚖️

Location Comparison

Compare TW18 with other areas

🏘️

Staines data

Full town-level property statistics

About this guide

This TW18 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 TW18?

The average sold price in the TW18 postcode area is £323,478, based on 16,542 HM Land Registry transactions. The largest town in this area is Staines.

How do TW18 house prices compare to the UK average?

Properties in TW18 average £323,478, which is +18.5% below the national average of £396,803 for England and Wales.

Why is the median price in TW18 lower than the average?

The median price (£270,000) is 16.5% below the average (£323,478), 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 TW18 house prices changed over 5 years?

Prices in TW18 have moved +37.4% 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.

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