Property Investments UK

Where to buy UK holiday lets in 2026. See the top-earning locations and regions, with average annual turnover up to £45,900 in destinations like Grasmere.

Merton's gross rental yields range from 3.9% to 5.0% across 7 postcodes. Average sold prices sit 111.4% above the England average at £613,854. CR4 (Mitcham) and SW18 (Earlsfield) share the top yield. Entry deposits start from £125,455 in CR4.

CR0 tops Croydon at 5.4% gross yield on a £366,672 asking price, with 13 postcodes stretching from £363,316 to £576,758. The borough's cheapest postcodes deliver the highest yields and the strongest five-year growth, led by CR7 at 12.6%.

SE20 (Penge, Anerley) tops Bromley at 5.2% gross yield on a £378,231 asking price, with 15 postcodes stretching from £378k to £776k. Yield and affordability concentrate in the northern postcodes bordering Lewisham and Croydon, while the strongest five-year capital growth comes from the semi-rural fringe near Kent.

HA0 and HA9 lead Harrow at 5.2% gross yield, with asking prices stretching from £440,722 in HA1 to £676,446 in HA5 across all 10 postcode districts. Two postcodes share the top yield and both straddle the Brent border, making Harrow's southern fringe the borough's most active rental market.