New property market data has highlighted the most affordable locations for purchasing a home in London, while also revealing where house prices have risen and fallen most significantly over the past year.

According to recent Land Registry figures covering the 12 months to April, Thamesmead currently stands out as London's most budget-friendly area for homebuyers. Properties within the SE28 postcode recorded an average sale price of £319,631, making it the lowest-priced postcode district in the capital among areas with at least 20 property transactions during the period.

South Ockendon ranked second on the list of affordable locations, with homes in the RM15 postcode selling for an average of £343,033. Other areas offering relatively lower entry prices included Belvedere (DA17), where the average property changed hands for £345,647, followed closely by Erith (DA8) at £345,847 and Barking (IG11) at £346,815.

The data also highlights notable changes in property values across London. Clerkenwell (EC1M) experienced the sharpest decline in average house prices, with values dropping by 54.5%. West Kensington (W14) followed with a 35.5% decrease. Meanwhile, some districts recorded substantial growth. Dagenham (RM9) saw average prices climb by 50.6%, while Kings Cross (WC1X) posted a rise of 47.2%.

Many of London's established suburban neighborhoods showed little movement in property values. Areas such as Coulsdon (CR5) and Pinner (HA5) remained relatively stable, with average prices changing very little over the year.

At the opposite end of the market, Mayfair retained its position as London's most expensive postcode area. Homes in W1K achieved an average sale price of £5.3 million, making it the highest-priced district among areas with at least 20 sales during the reporting period.

Belgravia occupied several of the top positions in the capital's luxury property market. Properties in SW1W sold for an average of £3.15 million, while homes in SW1X averaged £2.98 million. Kensington (W8) and South Kensington (SW7) also ranked among London's most expensive locations, with average sale prices of £2.45 million and £2.41 million, respectively.

The figures illustrate the wide variation in London's housing market, where buyers can find average property prices ranging from just over £319,000 in the capital's most affordable districts to more than £5 million in its most exclusive neighborhoods.

You can find the average sale price for every postcode area in the country using our interactive map here!