Sources of used amateur radio equipment in the UK.

The following are some sources of used amateur (ham) radio equipment in the UK. I am not endorsing any of them specifically, just putting the links here for information.

Commercial Dealers

Martin Lynch & Sons
http://www.hamradio.co.uk/used-equipment-pc-561.php

Waters and Stanton
http://hamradiostore.co.uk/deals.html?cat=160&max=0&min=0

Radioworld
http://www.radioworld.co.uk/used_ham_radio_equipment

LAMCO
http://www.hamradio-shop.co.uk/product-category/used-ham-radio-equipment/

Nevada Radio
http://www.nevadaradio.co.uk/used-equipment/

G3RCQ
https://g3rcq.com/

Haydon Communications
https://www.haydon.info/products.asp?cat=67

Moonraker
https://www.moonraker.eu/used-2

Knights
Mainly CB radios but sometimes have used amateur radio equipment for sale.
http://www.kcb.co.uk/sechand

Small Ads

Buying privately means buying without any sort of warranty, but prices will be lower and there is no come back. Ebay prices can be as high as buying from a dealer so be careful.

Gumtree
Ideal for finding items for sale locally.
https://www.gumtree.com/for-sale/uk/ham+radio

Ebay
http://www.ebay.co.uk/sch/Ham-Amateur-Radio-/4670/i.html

G3CWI's Amazing Online Flea Market
http://www.fleamarket.org.uk

Facebook

Various groups exist where equipment is bought and sold. Same warnings apply as for small ads.

Amateur Radio Sales
JunkSale Amateur Radio
Amateur Radio Equipment for Sale or Trade

Magazines

There are small ads in RadCom and other magazines that might be worth a look, as well as some of the special interest Amateur Radio organisations if you are looking for specialist equipment.