How To Buy

Your Definitive Buying Guide

At Trevanion & Dean we would like to make your buying experience an easy and enjoyable one.  Our auction house team are always on hand to offer assistance to any query you may have.

Here we explain the whole process of buying at auction. Click here for further information on bidding:

Viewing in person

We encourage buyers to view our auctions and lots in person, if possible. We are open for public viewing on the Thursday (12 noon – 6:00pm) and Friday (9:30am – 5:00pm) prior to the auction.  The auction commences at 10:00am and we are open on the morning of the auction from 9:00am.

Viewing online

All our auctions are listed and fully illustrated online, here. Additional images or further information and condition reports can be requested by emailing us with your request to

Estimates & Reserves

All lots are accompanied by an auction estimate as a guide to potential purchasers. Some lots will carry reserves, this is the figure which the lot can not be sold below. Reserves will not be higher than the lower figure of the estimate, but can be set below it. Reserves are not printed in the catalogue or listed on any online auction service.

Condition reports

We recommend that potential bidders inspect lots in person. Where this is not possible condition reports on specific lots can be requested from Trevanion & Dean.  Condition reports are opinions to be used as a guide and are not guarantees. Reports can be requested from  Please do not leave bids until you have received your requested condition report.

Please be aware that we receive a large volume of condition report requests prior to an auction and while we aim to reply to all lot enquiries as efficiently as possible, we may not be able to provide reports until closer to the auction. Also, the auctioneers will not conduct condition reports on the morning of the auction.

Catalogue and sale room amendments

Lot estimates and descriptions are arranged prior to the auction and may be subject to change. Amendments are announced prior to the auction, a list of these is available from reception or the main office.

Buyers Premium & Charges

All purchases are subject to buyers premium at 24% inclusive of VAT.  The final price that you pay is the hammer price (the value you bid at the auction), plus the buyers premium.

There is a minimum buyers premium of £5 + VAT

If you are successful in buying through our website bidding platform you will be charged an additional 2% + VAT (live bidding fee)

VAT is added at the standard rate.

Where stated the lot may be subject to additional VAT or Driot de Suite charges.  See our Conditions of Sale for further details.

Lots marked with (†) denotes that VAT applies to the hammer price AND premium

Lots marked with (§) denotes that the lot is subject to an additional import VAT (check this)

Lots marked with (*) denotes that the lot may be subject to Droit de Suite

Credit card and debit cards incur no additional charge. Unless the Credit card is not registered within the EU, in this circumstance payments will be subject to an additional 2% charge on the final total.


Buyers can register to bid at any time prior to the auction. Please be aware that we recommend buyers allow ample time for this process especially on the morning of the auction which can be very busy.

First time bidders may be asked to supply identification to register for an auction. Buyers who are required to supply identification and are unable to register in person for any bidding method can submit documents via email to

  1. Photo driving licence or Government issue passport
  2. Proof of address i.e Utility bill or bank statement dated within the last 3 months

Trevanion & Dean reserve the right to request a deposit on condition of allowing a buyer to bid or ask you to provide a bank reference. We may, at our discretion, refuse a bid(s).