Special Conditions of Sale: The Hidden Fees That Can Kill an Auction Deal
A property guiding at £27,000 can look attractive. But the special conditions of sale can change the investment completely.
Illustrative property image. The graphic shows the £27,000 guide plus fees (£39,540); the article assesses an assumed £30,000 purchase plus fees (£42,540).
I have just manually reviewed the special conditions for a Sutton Kersh auction lot with a £27,000 guide. Alongside a separate buyer’s auction fee, the charges identified take the additional fees to £12,540 including VAT, before the buyer pays their own solicitor.
For illustration, assume a purchase at £30,000. That takes the acquisition cost to £42,540 before the buyer’s own legal fees and other purchase costs. The £30,000 figure is an assumed reserve for this calculation, not a confirmed reserve or a prediction of the sale price.
More than a third of bidders did not look at the legal pack
In its Q1 2024 Property Auction Insights report, Essential Information Group reported that 35.9% of bidders did not look at the legal pack before bidding. Its analysis covered more than 18,000 properties auctioned during 2023.
That is a historical finding, but it illustrates a serious problem. Investors can spend hours looking at photographs, researching rents and calculating yields while overlooking the documents that set out the terms of the purchase.
What are special conditions of sale?
The special conditions set out terms specific to the lot. They can cover additional payments, completion deadlines and obligations the buyer takes on. Your solicitor needs to read them alongside the auction’s general conditions, title documents, leases and the rest of the legal pack.
EIG’s guide to understanding legal packs recommends reviewing the documents yourself and then obtaining a solicitor’s review. Reading one document does not establish that the whole purchase is acceptable.
The fees behind this £27,000 guide
Based on the special conditions and separate buyer’s fee supplied for this example, the calculation is:
Charge payable by the buyer | Before VAT | Including VAT |
Seller’s solicitors’ legal fees | £5,550 | £6,660 |
Seller’s auction fee: minimum applies | £2,500 | £3,000 |
Entrance fee | £350 | £420 |
Exchange fee | £250 | £300 |
Separate buyer’s auction fee | £1,800 | £2,160 |
Minimum additional fees | £10,450 | £12,540 |
The percentage auction charge is subject to a minimum of £2,500 plus VAT. At an assumed £30,000 purchase price, that minimum applies.
The seller’s legal fee clause also says there will be no breakdown or invoice, restricts requisitions about those costs, and makes receipt of the full funds a condition of completion. These terms need your solicitor’s attention before you commit.
In my view, a £6,660 contribution to the seller’s legal fees deserves particularly close scrutiny on a purchase at this level.
£30,000 assumed purchase price + £12,540 fees = £42,540 Before your own legal fees and other purchase costs.
Those fees alone add 41.8% to a £30,000 purchase price. Any applicable SDLT, finance costs, surveys, works and holding costs must also be budgeted separately.
Why the full acquisition cost changes the decision
A low guide price does not establish value. I need to assess the property against its full acquisition cost, realistic income, comparable values, condition and exit options.
For me, at the assumed £30,000 purchase price, this fee burden makes the proposition unviable on the basis I am considering it. Another investor would still need to establish whether the property’s value and income justify their total expenditure. The guide price alone cannot answer that.
Using AI to help review an auction legal pack
AI can assist with an initial review by organising information, identifying clauses to investigate and helping assemble a schedule of costs. I also read the documents myself, as I have done for this lot.
If you use AI with a ZIP file, first establish that the tool can open it and read every relevant document inside it. If necessary, extract the files and provide them separately. Ask it to list the files and pages it could not read, particularly scanned documents.
A useful instruction is: identify every payment imposed on the buyer, show VAT and minimum fees, and give the document name, page and clause supporting each finding. Ask separately about completion deadlines, missing documents, contradictions and questions for your solicitor. Then check those references yourself.
Uploading a pack is not evidence that every page has been read correctly. Treat the result as a starting point for checks.
A planning rule example shows why answers need checking
I have seen an AI answer refer to the old four year planning enforcement rule without properly addressing the change in England. A confident answer can still be wrong!
Government guidance explains that a ten year period applies to operational development substantially completed on or after 25 April 2024 and to an unauthorised change of use to a single dwellinghouse occurring on or after that date. Transitional provisions preserve the four year period for those categories where completion or the change of use occurred before that date. Other breaches generally have a ten year period, and exceptions can apply.
That means both an unqualified reference to the old rule and a blanket claim that it has disappeared for every property can mislead. The location, dates and nature of the breach matter. Ask your solicitor or planning adviser to establish which rules apply.
Before you bid
Read the whole legal pack, scrutinise the special conditions and calculate every additional payment. Have a solicitor experienced in auction purchases review the pack before you bid, and resolve the questions their review raises.
Recheck for amended documents and auction addenda before bidding. A review of an earlier version may miss a later change.
This is the practical analysis I work through with investors through my property mentorship. Understanding legal packs and special conditions also forms part of our property auction course.
A disciplined investor sets their maximum bid from the full cost of the deal.
Learn more with Dominic Farrell
Explore the Property Mentor Hub, the property auctions book, The Property Auctions Podcast and our property auction course. Legal education on the course is provided by Claire Farrell; transaction specific legal advice requires a separate professional instruction.
Related reading: auction legal packs and AI
Explore the legal checks, AI research and investment decisions behind this example.
