Hit the Sunday markets
London's Sunday markets are worth getting out of bed for. Pick up some beautiful blooms at Columbia Road Flower Market or find bargains galore at Brick Lane Market, where stalls sell everything from food to vintage clothes, crafts to furniture.
Foodies can tuck into delicious street food at Maltby Street Market, where popular stalls include St John Bakery's fresh doughnuts and Monty's Deli's salt-beef sandwiches.
Unwind with a spa day
Feel your worries melt away at the luxurious May Fair Spa, where sensational facilities include an aromatic steam room, a herbal sauna, an ice fountain and a candlelit relaxation room with heated beds. For an extensive pampering session, opt for the Detox Experience, which includes a detox aroma massage, a detox algae wrap and an exfoliating body scrub. Or book a private steam chamber for two, where you can enjoy a Moroccan cleansing ritual.
Alternatively, spend the day at urban hideaway East River Spa at the Radisson Blu Edwardian New Providence Wharf Hotel in Canary Wharf, where you can unwind in a sauna, steam room or relaxation room. When you’re feeling totally blissed-out, put your feet up with afternoon tea on a terrace overlooking the river Thames at the hotel’s Scoff & Banter bar and restaurant.
Explore London's gardens and waterways
Sundays are a great day for slipping on your walking boots or hopping on a bicycle to explore some of London's beautiful waterways, delightful parks and gardens. Sections of the Regent's Canal between Little Venice and Camden Town are perfect for an afternoon stroll or a gentle bike ride. And if you feel tired, there are plenty of waterside pubs and cafes in which to refuel. In the summer months, you can also take a canal boat from Little Venice to ZSL London Zoo in Camden.
Serious bike riders can explore five miles of mountain bike trails at the Lee Valley VeloPark in Queen Elizabeth Olympic Park. If you prefer to explore on foot, take a stroll around 300 acres of greenery at Kew Gardens or get off the beaten track at hidden gem Chelsea Physic Garden.
Get some retail therapy
Give your wardrobe a refresh by shopping on London’s famous Oxford Street, which is lined with department stores and flagship stores, including Selfridges and Topshop. Nearby Regent Street also merits a look for its wealth of flagship stores, including toyshop Hamleys and tech toy and gadget superstore Apple.
Discover the meandering lanes around Carnaby for more independent boutiques and cafes, and enjoy a browse in nearby Liberty London, stocked with plush clothes and homeware. If you want to find hundreds of shops and restaurants under one roof, make a beeline for Westfield London in Shepherd’s Bush or Westfield Stratford City.
Become a culture vulture
Enrich your general knowledge by heading to South Kensington for a day of museum exploration. The neighbourhood is home to the Science Museum, the Natural History Museum and the Victoria and Albert Museum, where there are plenty of exhibits to keep the whole family entertained.
Break for lunch at Scoff & Banter’s handsome South Kensington restaurant, a stone’s throw from the museums. Housed within an old Vanderbilt family mansion, this restaurant has been lovingly updated with reclaimed furniture and elegant bay windows.
See a show
Make the most of London’s buzzy entertainment scene by visiting the theatre or going to see a musical performance. Enjoy a good belly laugh at the Comedy Store Players, or introduce the kids to jazz at Ronnie Scott's family-friendly Sunday Jazz Lunch.
See a movie while snuggling up in a big leather armchair at the Electric Cinema in Portobello, or take a moment of quiet reflection at a late-afternoon choir service at churches and cathedrals across the city. In the West End, plenty of shows offer Sunday matinees for theatre lovers, including The Lion King and Matilda.
Dine in style
Make the most of a chilled-out Sunday by treating yourself to a memorable meal or two. Begin the day with a relaxed brunch at one of these fabulous brunch spots, with top picks including the sky-high Duck & Waffle, where you can feast on duck leg confit, fried duck egg and waffles.
If you’ve spent the day shopping on Oxford Street, indulge in afternoon tea at Scoff & Banter Tea Room, where you can devour hot dishes, finger sandwiches, cakes and scones, with an optional glass of bubbly.
While away a Sunday afternoon by munching on dim sum: stuff yourself with unlimited dim sum at one of London's Ping Pong restaurants or savour the special Sunday menu at fine-dining restaurant Hakkasan.
Of course, Sunday also calls for a good Sunday roast. Try something more unusual at Covent Garden game specialist Rules, or plump for a traditional beef joint with Yorkshire pudding at the Albion or at the aptly-named Roast in Borough Market.