Why offers change before completion
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When a cash offer is genuinely agreed
A cash offer is genuinely agreed when the buyer has assessed the property properly, the assumptions behind the price are clear, and any conditions are defined upfront.
In these cases, the buyer expects to complete at the agreed figure unless something material changes.
Where this approach is taken, price changes are relatively rare and usually proportionate.
When price reduction is part of the business model
From experience, some companies operate a model where reducing the offer later is not an exception — it is expected.
This often involves offering a strong initial figure to secure the seller’s commitment, limiting upfront due diligence, allowing time pressure to build, and revisiting the price once alternatives are reduced.
This creates an uneven playing field for buyers who price realistically from the outset and aim to complete at the agreed figure.
The difference here is cultural, not technical.
Companies that front as the buyer
Another common cause of price changes arises when a company presents itself as the buyer, but does not intend to complete with its own funds.
In these cases, the company may have the ability to buy, but intends to find a third-party buyer in the background. The agreed price then depends on what that onward buyer is willing to pay.
If the onward buyer will not proceed at the agreed figure, the offer to the seller is reduced accordingly — even though the original price appeared agreed.
Why option agreements matter
For a company to market or assign a property to another buyer, it will usually need the seller to sign an option agreement or similar contractual arrangement.
This matters because it gives the company control over the sale price, limits the seller’s ability to pursue alternatives, and increases the likelihood of late-stage renegotiation.
Where an option agreement is in place, the seller’s exposure to price changes is generally higher.
What the absence of a contract can tell you
It is worth noting the opposite scenario.
Where no option agreement is requested, no long-term contractual control is sought, and the buyer is prepared to proceed without locking the seller in, the likelihood of deliberate price manipulation is usually lower.
This does not guarantee the price will never change, but it often indicates more genuine buying intent rather than reliance on onward buyers or leverage.
Legitimate reasons offers still change
None of the above removes the reality that some price changes are reasonable.
Legitimate reasons include legal issues uncovered during conveyancing, structural problems not visible at offer stage, or material lease or title complications.
The key difference is that these changes are linked to new information, are evidenced, and are proportionate.
How to tell the difference in practice
Offers are more likely to change unfairly when:
The initial figure is significantly higher than alternatives
Assumptions are broad or vague
Control is taken early through contracts
Reductions are introduced late without new evidence
Offers are more likely to hold when:
The buyer explains the number clearly
Conditions are defined upfront
No pressure is applied to sign early
The buyer is prepared to proceed without locking the seller in
Stated offer levels across the 25 companies that publish a figure, against the 75–85% norm. Source: Property Sale Watchdog, June 2026.
Questions to ask if your offer changes
If a buyer proposes a revised price, it is reasonable to ask:
What new information has emerged?
How does it materially affect value or risk?
Why was this not identified earlier?
Is there an onward buyer involved?
What contractual control has already been agreed?
Rule of thumb
Where price reduction is built into the process, it usually reveals itself through timing, contracts, and pressure.
Where buying intent is genuine, price stability is far more likely.