We know that there is a lot of information and things to remember when it comes to buying at auction. To help, we’ve answered some of our most frequently asked questions below. If you have any other questions please contact us.

Property Auctions

What is the bidder security and how do I pay it?

A bidder security payment authorisation is required for each lot you wish to bid for. This is detailed on the payments page when you register and an amount will be held on your debit card via our secure online payment method.

The amount required is as follows:

  • Commercial Auctions -£10,000 per lot and inclusive of the Allsop buyer’s fee*
  • Residential Auctions - per lot and inclusive of the Allsop buyer’s fee*
    • Guide price: £1 - £49,999 - bidder security payable = £2,000per lot
    • Guide price: £50,000 - £149,999 - bidder security payable = £5,000 per lot
    • Guide price: £150,000 and above - bidder security payable = £10,000 per lot

* For details of the Allsop buyer’s fee see How to Buy Property at Auction

News and Blogs

Allsop releases 284-lot catalogue for its final residential auction of 2025
News 05/12/25

Allsop releases 284-lot catalogue for its final residential auction of 2025

Auction | Residential Auction

Allsop, a leading property consultancy and the UK’s largest property auction house, has released the catalogue for its Decemb...

Allsop releases final commercial auction catalogue of the year anchored by £12m+ mixed-use site in Chiswick
News 25/11/25

Allsop releases final commercial auction catalogue of the year anchored by £12m+ mixed-use site in Chiswick

Commercial Auction | Auction

Allsop has released the catalogue for its December commercial auction, featuring 90 lots ranging from a mixed-use site in Wes...

Allsop raises £54m at penultimate residential auction of 2025
News 25/11/25

Allsop raises £54m at penultimate residential auction of 2025

Auction | Residential Auction

Allsop raised £54m across two days

Allsop raises over £31.8m at November commercial auction
News 11/11/25

Allsop raises over £31.8m at November commercial auction

Commercial Auction | Auction

Allsop, the leading property consultancy and UK’s largest property auction house, raised £31.8m at its November commercial au...