25 trends at London fashion week

1 Colours that almost clash now look more stylish and well-put-together than colours that "go". See: emerald with salmon at Nicole Farhi, and chartreuse with lilac at Betty Jackson.

2 The Angular Hourglass is the new silhouette. Sharp shoulders, small waist and the new diamond-shaped skirt.

3 Rolling the hems of your trousers up just-so is essential to show off your new shoes, but is not as easy as it looks.

4 The Mulberry Bayswater handbag is a new classic. Next season, you can go girly with the pale pink bow-trimmed version or channel Alexa Chung tomboy chic with the satchel-strapped one.

5 When you see the new Luella collection, you are going to want to wear sky blue and lemon yellow. Really.

6 Apparently, we are going to be wearing ankle boots all next summer.

7 Croque monsieurs are fashion's new favourite snack.

8 The most expensive item in the average British person's wardrobe cost £293, according to new research by insurer Hiscox.

9 Shagpile carpet is set to make a comeback, if the swooning over Jaeger's thick cream catwalk is anything to go by.

10 Big shoulders are here to stay.

11 Double denim could be set for a shock comeback. Will Sienna Miller be wearing this outfit from her Twenty8Twelve collection next summer?

12 Cleavage is totally over. Even Kelly Brook wore a high-necked, smock-style dress to Philip Green's party.

13 Grace Kelly will be the style reference to drop next summer.

14 Very posh cardigans are the new evening coats. Next season we want Pringle's luxe, louche cable knit or Christopher Kane's slashed navy cardi. Until then we're wearing our Kate Moss Topshop silver sequined number to death.

15 The first sightings of the Powder and Flash power-mesh-backed sexy silk frocks by Preen on the party circuit will be next season's Galaxy moment, mark our words. Order one now, while you still can.

16 Betty Jackson rocks. Her pink-and-coffee floral dress is top of our summer shopping list.

17 Simon Cowell is the celebrity's celebrity. The starry crowd at Sir Philip Green's dinner at The Ivy on Sunday – Kate, Naomi, Lily Donaldson, Kelly Brook and co – went decidedly giddy in the presence of the Mayor of Saturday Nights.

18 It is no longer fashionable to be late. When the Peter Pilotto show still hadn't started after 25 minutes of waiting, Anna Wintour took off her sunglasses, made eye- contact with the PR and tapped her watch. The show started within seconds.

19 Erdem Moralioglu, alumni of the DVF studio now designing his own label in London, could be Britain's Jason Wu – the go-to designer for First Ladies and shadow first ladies. Sarah Brown wore an Erdem abstract-floral frock for her Downing Street bash; four days later Sam Cameron turned up in the front row at the Erdem show.

20 Sequins are now perfectly acceptable daywear. Alexandra Shulman, editor of British Vogue, wore sequined cardigans for two days of shows.

21 The dress to wear this autumn, before next season's trends hit the shops, is this one by Christopher Kane, £1,485 from net-a-porter.com. Tout le monde is wearing it at the shows this week.
22 Somerset House is a beautiful venue, but cobblestones and spike heeled sandals is a dangerous combination.

23 "Research shows that investing in the fashion business pays dividends for London at a ratio of 30:1." We don't know where Boris Johnson got this statistic, but we like it.

24 Next summer, polka dots will be the new Breton stripe. Itsy-bitsy on bikinis at Caroline Charles, blown up to giant scale at Luella.

25 It is time to put your GHD straighteners away and master the arts of backcombing and crimping. Finger-in-the-plug-socket hair is the way to go next season.

Travel advice: card-users beware

Airlines and travel companies are charging customers increasingly high fees for debit and credit card transactions. Here are some of the worst offenders.

It isn't just the extras we're increasingly asked to pay to check in luggage that inflates the cost of travelling. The method of payment can bump it up too. Last month, Eurostar introduced a fee of £3 per booking for payment by credit card over the phone or online. The company defends the move, saying: "We aren't making a profit [on the fee], this is just a proportion of the charge made to Eurostar by credit card companies – we're finding that these costs are spiralling out of control."

Not that others aren't applying similar charges: booking through a call centre (rather than through a website) and using a credit or debit card invariably means you'll be charged more. However, these costs do vary from company to company, as the following examples demonstrate.

Brittany Ferries (www.brittanyferries.com) No fee for call centre bookings or debit cards; credit card fee £5 per booking.

British Airways (www.ba.com) Call centre fee £5; credit card fee £4.50; no fee for debit cards. Charges are per passenger, per booking.

Bmibaby (calls cost 65p per minute; www.bmibaby.com) Call centre fee £7.50; credit card fee £3.75; debit card fee £2.75. Charges are per person, per one-way fare. No fee for payments with a Visa Electron card.

easyJet(www.easyjet.com) Call centre fee £15; credit card fee £2.95 per cent of the total transaction with a minimum charge of £4; debit card fee £2.95. No fee for payments made using a Visa Electron card.

Eurostar (www.eurostar.com) No fee for call centre bookings or debit cards; credit card fee £3 per booking.

Flybe (www.flybe.com) Call centre fee £12; credit card fee £3.50; debit card fee £1.50 (minimum £2 per booking). Charges are per person, per one-way flight. No fee for payments with a Visa Electron card.

P & O Ferries (www.poferries.com) Call centre fee £5; credit card fee £2; no fee for debit cards. Charges are per booking.

Ryanair (www.ryanair.com) Call centre fee £5; credit card fee £5; debit card fee £5. Charges are per passenger, per one-way fare.