Conveniently poised between Buckingham Palace and the Houses of Parliament, Queen Anne’s Gate is one of London’s loveliest 18th-century streets – and if you’re looking for a top-of-the-range property from the period, this would undoubtedly be a sensible place to start. Here, you’ll discover a Grade I-listed townhouse (hathaways.co.uk and knightfrank.co.uk; £21m), built c1704, whose six fine-boned storeys have been sympathetically adjusted for 21st-century living. It combines the best of the old (a superb carved wooden portico and rare dual staircases) with every modern convenience, including five bedroom suites, five reception rooms, a large terrace overlooking St James’s Park, and, most importantly, a lift. If, on the other hand, you prefer your heritage outside the front door, you may find Lincoln Square (cbreresidential.com and knightfrank.co.uk; from £950,000) a welcome addition to the city’s legal landscape. Like its wig and gown-peppered neighbour Lincoln’s Inn, the 10-storey development is built around a garden court and, as well as a prospect of the Royal Courts of Justice, offers a wealth of indulgent features, including a library, cinema room and spa.