The UK is not as cold as people fear — winter is typically 0–8 °C — but it is wet, windy and dark for months. Layers beat one thick jacket, and waterproof beats warm. A September arrival means autumn (10–18 °C, heavy rain); a January arrival means full winter kit from day one.
Core — pack these
Rain plus wind is the UK's real weather. A hood matters more than an umbrella. One good jacket beats three mediocre ones.
Top and bottom. Cheap in Nepal, and the single biggest difference in staying warm.
Include one pair you can walk long distances in.
Include 4–5 pairs of thick woollen socks. Laundry in halls costs money per load, so more pairs means fewer washes.
You will walk far more than you do in Nepal. Wet feet all winter is genuinely miserable.
Non-negotiable for shared student bathrooms.
Small, light, and the first things you will want.
Cheap umbrellas invert on the first windy day.
Accommodation almost never provides towels.
Shirt, trousers, blazer, tie, formal shoes — for presentations, vivas, interviews and graduation. Tailoring in Nepal is a fraction of UK prices.
Worth the suitcase space
Daura suruwal, kurta, sari or a good kurta-pyjama. There will be a Dashain or Tihar programme, a Nepali Students' Society event, a wedding and a graduation photo. You cannot buy this in the UK, and shipping it later costs more than the outfit.
University gyms are cheap and heavily used.
Bulky. Decathlon, Primark and charity shops sell warm coats cheaply — and you will see what people actually wear before spending.
A good waterproof jacket usually makes this redundant.
For the university pool.
Clothing strategy: pack light, buy on arrival
Winter coats, duvets, pillows and heavy boots are cheap in the UK (Primark, Decathlon, supermarkets, charity shops) and heavy in your suitcase. Every kilogram of coat you pack is a kilogram of spices or documents you cannot carry.
Wear your heaviest jacket and your bulkiest shoes on the flight — that is 2–3 kg of free allowance.
Pack for the first two weeks properly. Buy the rest once you know your city, your walk to campus, and how cold your building actually gets.