Indeed, 12 of the 20 most expensive roads are in the Royal Borough of Kensington and the top 50 are all in the south of England, the data from Lloyds Bank also shows.
There is a £5.5 million gap between the most expensive streets in the South East and the rest of the UK, no million pound streets in Wales and a £7.2 million gap between the most expensive street in Wales compared to central London.
The most expensive Welsh street is in Cardiff and with an average house price of £793,000, Druidstone Road is £7.2 million less than Victoria Road in London.
Such is the pull of living in Kensington and Chelsea that 12 streets in the Royal Borough are in the list of the 20 most expensive in the country. These include Egerton Crescent with an average price of £7,550,000, followed by Manresa Road at £7,359,000, De Vere Gardens at £6,606,000, Drayton Gardens at £5,954,000 and Chelsea Manor Road at £5,523,000.
Other central London locations featuring prominently in the list of most expensive streets are in Westminster, including Eaton Square with an average price of £6,727,000, Chester Street at £5,533,000 and Prince Consort Road at £5,281,000.
Away from these two prime central locations, Parkside in Merton in south west London is amongst the 20 priciest streets with an average price of £6,355,000. Parkside is followed by West Heath Road in Barnet, north London at £5,199,000, and Anhalt Road in Wandsworth at £4,686,000.
Outside of London Icklingham Road in Cobham in Surrey is the most expensive with an average property price of £3,094,000. The next most expensive in the region is Moles Hill in Leatherhead at £3,085,000, Harebell Hill in Cobham at £3,041,000, Abbots Drive in Virginia Water at £2,937,000, Fishery Road in Maidenhead at £2,821,000 and Wildernesse Avenue in Sevenoaks at £2,167,000.
Poole in Dorset is the only area outside the South East that ranks near the top. Sandbanks Road is the most expensive with an average house price of £2,493,000 followed by Western Avenue at £2,433,000 and Haig Avenue at £2,200,000, all of which are in Poole.
Newton Road close to the Cambridge Botanic Gardens is the most expensive street in East Anglia with an average house price of £1,853,000 but million pound residencies in northern England are not far behind.
The most expensive streets outside southern England are concentrated in the area south of Manchester. Castle Hill in Macclesfield has an average property value of £1,662,000, followed by Macclesfield Road in Alderley Edge at £1,499,000, Torkington Road in Wilmslow at £1,330,000 and Goughs Lane in Knutsford at £1,299,000.
The most expensive streets not in southern England are Lyndon Road in Oakham in Rutland at £1,363,000, Tiddington Road in Stratford-upon-Avon at £1,349,000, Rutland Drive in Harrogate at £1,191,000 and Graham Park Road in Newcastle at £1,029,000.
‘The largest concentration of England's most expensive streets is in Kensington and Chelsea. This part of London has always had a glamorous reputation, attracting overseas buyers as well as those from the worlds of business and entertainment,’ said Andrew Mason, mortgages director at Lloyds Bank.
‘The area clearly has its attractions with excellent schools, designer shops, close proximity to the capital's business district and properties with the highest specifications. Other areas in the capital have similar qualities but property prices in Kensington and Chelsea tend to outperform the rest of London,’ he explained.