Location: Prime Central London

Chelsea-based independent Russell Simpson has been looking up a few stats on the capital's penthouses.

Plans have been submitted to Westminster Council for the conversion of three properties on Cornwall Terrace into one 33,000 square foot uber-pile.

It looks like London's super-rich are opting for to wait and see for the next 12 months, as the very top-end of the rentals market - with six and seven figure annual rents - booms.

Westminster Council has agreed to luxury property developer Dukelease's proposed conversion of Eggington House, 25-28 Buckingham Gate.

One Hyde Park, Knightsbridge £5.6m

It may have come in over budget and behind schedule, but it's "not to shabby, even if I do say so myself," says Alan Page with pride from his doer upper project in Kensington as the sales agents get to work.

Taking some time off from compiling the Sunday Times Rich List, Dr Richard Beresford's been working out who are the 250 wealthiest individuals in the UK property world.

London-based buying agency Black Brick is tipping Maida Vale as the investment hotspot to watch next year, although Marylebone should remain the go-to option for discerning owner-occupiers...

The movement from a Stamp Duty slab tax to a graduated tax is a welcome move, says residential fund management outfit LCP on the first day of the new SDLT regime.

"The spike experienced in London at the end of the first quarter has progressively subsided, especially in the prime central London market," says Winkworth in a market outlook statement issued just before…

Derwent London has been given the green light to turn its own HQ on Savile Row into super-prime apartments. 25 Savile Row (proposed)

High-end estate agency Knight Frank has drawn up a map of prime central and prime outer London, complete with price performance stats for each of its office's sales and rentals departments.