How to Buy

Please note a 22% buyers premium (including gst) applies to the hammer price of any purchase.

Bidding at Aalders follow the following increments:


$ Range                         Increment

                                                                        0 – 100                         $10

                                                                        100 – 300                    $20

                                                                        300 – 400                    $25

                                                                        400 – 1,000                  $50

                                                                        1,000 – 5,000              $100

                                                                        5,000 – 10,000          $250

                                                                        10,000 – 15,000        $500

                                                                        15,000+                      $1,000


Buying from an auction involves 3 steps:


Auctions are open to the public and we welcome any new patrons. An illustrated catalogue is available on our website one week prior to an auction. If you are subscribed to our mailing list you will receive an email notification.

We are open for viewing before an auction. You can visit our rooms and inspect any items in person. Viewing days and times are listed in the catalogue and on our website.

If you are unable to attend a viewing you can request a condition report by email or telephone. A condition report will detail any damage or unusual characteristics specific to an item.



You can bid at Aalders in person, by live online bidding and by telephone and absentee bidding. 

In person: Complete a registration form to obtain a bidding number, there is no fee to register. When an item you wish to bid on is being auctioned simply raise your bid card to confirm your bid.

Live Bidding: We use the live bidding platforms, Invaluable and Live Auctioneers. You can bid online from any location. Please register an account with either of these services, find the relevant auction and apply for approval with us. Please note live bidding will incur an additional 5% premium to your final invoice.

Absentee Bid: If you are unable to attend the auction you can leave an absentee bid by email, telephone or in person. Please note the lot number, item description and your maximum bid. Bidding will not start at your maximum bid. The auctioneer will bid on your behalf up to that amount if there are other bids. Bidding will usually start at the lower estimate. There is no fee for an absentee bid.

Telephone Bid: If you are unable to attend the auction you can leave a telephone bid by email, telephone or in person. Telephone bids are accepted on lots with a lower estimate of $200 or more. Please note the lot number, telephone number/s we can contact you on and a cover bid if we are unable to reach you. A representative from Aalders will call you a few lots before your lot is due to be auctioned. They will relay the bidding as it happens in the room and give you the opportunity to bid. There is no fee for a telephone bid.


Payment and Collection 

If you are successful with bidding you will receive an invoice by email or in person.

Payment and collection is required 5 days after an auction. We accept payment by cash, bank transfer and credit card.  Please note a Visa or Mastercard will incur a 1% surcharge and American Express will incur an 3.2% surcharge. 

If you are unable to collect your items in person we offer an economical packing and shipping service. Items are packed      in-house and shipped with Australia Post.

Please note if items are not collected in the required time, daily storage fees will apply.


How to Sell

Selling at auction involves 3 steps:


Please make an appointment or use our online valuation form to obtain an auction appraisal on your items. Items are given a low and high estimate and a reserve price may be set in accordance with the client and valuer.

Consignment Agreement

Before your items are auctioned a copy of your consignment form will be forwarded to you for approval. It will list your items and prices, our conditions of business and any fees. 

Please note there is 22% vendor commission (including gst) on all items sold at auction.

All items will be described, photographed and featured in our online catalogue and on international bidding platforms Live Auctioneers and Invaluable.


A copy of your results will be emailed to you 2 days after an auction. Payment is made 4 weeks after the auction by cheque or a bank transfer into your nominated bank account.