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Selling at Auction

Free valuations

Obtaining a valuation couldn't be simpler, with valuers and specialists on hand Tuesday-Thursday 10am-6pm. Once we have assessed your items, we advise you which sale would best suit. Items can be brought into either our Tetsworth or Brentford valuation branch or home visits can be arranged by appointment with our specialists.


We charge sellers commission of 15% + VAT on the hammer price. We also charge a £5 + VAT entry fee per lot each sale the lot is entered into and a warranty fee of 1% + VAT of either the estimated low value or the reserve.

Buying at Auction

In the room

Our auctions are held in our Tetsworth antique centre. When greeted, we will ask you to provide us with details to register you as a bidder free of charge. You will receive a paddle to present to the auctioneer whilst bidding.

By telephone

To book a telephone bid simply call us on 01844 281777 or email us at fineart@theswan.co.uk requesting the lots your wish to bid on.

By absentee bid

If you are unable to bid in the room on the day of the auction you can leave an absentee bid with us via phone, email or in person. Simply leave your details and the maximum amount you wish to bid up to and the auctioneer will have your bid on the rostrum.

Bid live online

Once registered with the-saleroom.com, you can bid in our auction live via the-saleroom.com/theswan. Please note there is an additional 3% charge for using this service.