Mortgages & Property

Buying Property at Auction UK — Complete Guide

How to buy property at auction in the UK. The process, risks, financing, and what to know before bidding on your first auction property.

By PocketWise · · 5 min read

Mortgage information is general guidance only. Mortgages are regulated by the FCA. YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE. Consult an FCA-regulated mortgage adviser before making decisions.

Auction properties can offer opportunities, but they come with unique risks. Here’s what you need to know before bidding.

How Property Auctions Work

Types of Auction

Type How It Works
Traditional (unconditional) Hammer falls = legally binding, complete in 28 days
Modern method Winning bid = reservation fee, longer completion (56+ days)
Online auction Bidding online, usually modern method
Physical auction Bidding in room

Traditional Auction Process

Stage What Happens
1 Legal pack available before auction
2 View property and do due diligence
3 Get financing in place
4 Register to bid
5 Attend auction (online or in person)
6 Highest bidder wins
7 Pay 10% deposit immediately
8 Complete within 28 days
9 If you don’t complete, lose deposit

Modern Method Auction

Stage What Happens
1 Bid and win auction
2 Pay reservation fee (5-8%, non-refundable)
3 Reservation period (usually 56 days)
4 Exchange and complete within period
5 More time for mortgage arrangement

Why Properties End Up at Auction

Common Reasons

Reason Implication
Repossession Bank wants quick sale
Chain-free needed Seller in a hurry
Difficult to mortgage Unusual construction, short lease
Needs major work Put off regular buyers
Probate sale Executors want certainty
Commercial property Specialist market
Development potential Appeals to developers
Failed on open market Couldn’t sell normally

Risk Assessment

Reason for Auction Risk Level
Executor sale, good condition Lower risk
Short lease Medium risk (negotiate)
Needs work Depends on extent
Structural issues High risk
Legal problems High risk
Unmortgageable Very high risk

Before the Auction

Due Diligence Checklist

Task Why
View the property See the condition
Review legal pack Leases, searches, title
Get survey done Identify problems
Check planning Restrictions, potential
Research area Comparable values
Get financing confirmed Know your budget
Calculate max bid Stick to it
Document What to Check
Title deed Ownership is clear
Local searches Planning, environmental issues
Lease (if leasehold) Length, ground rent, clauses
Special conditions Any unusual terms
Fixtures list What’s included
Seller’s property info Known issues

Get a solicitor to review the pack before auction.

Costs to Budget

Cost Amount
Purchase price Your winning bid
Buyer’s premium 0-5% (some auctions)
Reservation fee 5-8% (modern method, non-refundable)
Auction admin fee £0-1,500
Stamp Duty Based on price
Survey £300-700
Legal fees £1,000-2,000
Bridging finance If needed
Renovation If needed

Financing Auction Purchases

Traditional Auction (28-Day Completion)

Option Details
Cash Simplest if available
Bridging loan Fast, expensive, then remortgage
Auction finance Specialist lenders
Mortgage (difficult) Rarely completes in time

Bridging Loans

Feature Details
Speed Can be arranged quickly
Interest 0.5-1.5% per month
Term 1-12 months
Exit strategy Remortgage or sell
Fees Arrangement fee 1-2%

Example Bridging Cost

Bridging Loan Cost
Amount borrowed £200,000
Interest (1%/month) £2,000/month
Arrangement fee (1.5%) £3,000
Exit fee £1,000
6-month cost ~£16,000

Factor this into your budget.

Modern Method Auction

Advantage Details
Longer completion 56+ days
Time for mortgage More realistic
Reservation fee Non-refundable but gives time

At the Auction

Bidding Tips

Tip Why
Set maximum before Don’t get carried away
Start bid confidently Show interest
Don’t bid too early Let others start
Watch the room Gauge competition
Be clear with bids Auctioneer must see
Stop at your max Walk away if needed

What Happens When You Win

Action Timing
Contract signed Immediately
10% deposit paid Same day (often card/cheque)
You’re committed No backing out
Complete purchase Within 28 days

If You Win and Can’t Complete

Consequence Details
Lose 10% deposit Forfeit
May face costs Resale difference
Potential legal action From seller
Damage to reputation With auction houses

Only bid if you can definitely complete.

Risks and Red Flags

Property Red Flags

Red Flag Why It Matters
Very short lease Can’t mortgage
Japanese knotweed Very expensive to treat
Subsidence Major structural issue
Flooding history Insurance problems
Unusual construction Mortgage difficulties
Access issues May be unusable
Flying freehold Legal complications
Failed auction before Underlying problem

Auction Red Flags

Warning Concern
No legal pack available Can’t do due diligence
No viewings allowed What are they hiding?
Auctioneer pushing hard May be dummy bids
Reserve not stated Price uncertainty
Too good to be true Usually is

Guide Price vs Reserve

Understanding Prices

Term Meaning
Guide price Indicative — may sell for more
Reserve Minimum the seller accepts
Reserve not met Property withdrawn

Realistic Expectations

Guide Price Likely Selling Range
£100,000 £100,000-£150,000+
Often sells 10-30% above guide
Sometimes sells At or below guide

Guide prices are set low to attract bidders.

Finding Auction Properties

Where to Look

Source Details
EIG Propertyauctions.com National listings
Rightmove Auction properties filter
Zoopla Auction listings
Auction house websites Direct
Local newspapers Regional auctions

Major Auction Houses

Auctioneer Coverage
Savills National
Allsops National
Auction House Regional network
Barnard Marcus London/SE
SDL Auctions National

After Winning

28-Day Completion Checklist

Day Action
Day 1 Instruct solicitor
Day 1 Activate financing
Week 1 Solicitor reviews
Week 2 Raise enquiries
Week 3 Mortgage offer (if applicable)
Week 4 Transfer funds, complete

Common Completion Issues

Problem Solution
Mortgage delayed Have bridging backup
Legal queries Solicitor must work fast
Missing documents Chase seller’s solicitor
Funds not clearing Ensure available beforehand

Is Auction Buying Right for You?

Good Fit If

Situation Why
Cash buyer Quick, no financing issues
Developer/experienced Understand risks
Looking for project Can renovate
Need chain-free Certainty
Experienced investor Know the market

Poor Fit If

Situation Why
First-time buyer Too risky
Need mortgage only 28-day limit
Don’t understand legal pack Need expert help
Can’t afford to lose deposit High stakes
Emotional buyer Overbidding risk

Summary: Auction Buying Checklist

Before Auction

Task Done
Reviewed legal pack ☐
Had survey done ☐
Solicitor reviewed documents ☐
Financing confirmed ☐
Calculated max bid including all costs ☐
Viewed property ☐
Registered to bid ☐

At Auction

Action Note
Arrive prepared Know your limit
Be ready for fast pace Traditional auctions
Have payment ready 10% deposit

After Winning

Priority Action
Day 1 Instruct solicitor, activate finance
Week 1 Progress legal work
Week 2-3 Finalise financing
Week 4 Complete purchase

Auction buying can yield opportunities, but the risks are significant. Do thorough due diligence, have financing ready, and never bid more than you can afford to lose.

Your home may be repossessed if you do not keep up repayments on your mortgage. PocketWise provides information and guidance — we do not offer financial advice. Seek independent mortgage advice before making decisions about borrowing.

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Sources

  1. FCA — Mortgages
  2. MoneyHelper — Buying a home