By Dan Knowles FRICS, Managing Director and Registered Valuer, Websters Surveyors
Your survey has come back, it isn’t all clean, and you’re staring at a list of issues wondering whether to renegotiate, fix things, or walk away. First, don’t panic. Almost no home is perfect, and a survey full of observations is normal, not a disaster. The job now is to separate what genuinely matters from what doesn’t, and to use the report to make a confident decision.
That, to me, is the whole point of a survey. It isn’t there to hand you a list of defects and leave you to worry. It’s there to give you the clarity to act, whether that means negotiating hard, budgeting properly, or stepping away from a problem you couldn’t have seen on a viewing. Here’s how to do exactly that.
My survey found problems. Should I be worried?
Usually not. A good survey records everything the surveyor sees, from the trivial to the serious, so a long report is often a sign of a thorough one rather than a bad property. The skill is in reading which findings are material.
Most issues fall into ordinary maintenance: a bit of damp here, ageing windows there, a roof that will need attention in a few years. These are normal for a lived-in home and rarely dealbreakers. A smaller number are significant, things like movement, structural alterations done without proper support, or a roof at the end of its life. The point of a quality report is that it doesn’t just list these, it tells you how serious each one is and what it’s likely to involve. If a report leaves you genuinely unsure how worried to be, that’s a failing of the report, not a reflection of your situation. You should come away knowing what matters and what doesn’t.
What do the survey condition ratings actually mean?
RICS surveys use a simple traffic-light system. Condition rating 1 (green) means no repair is currently needed. Rating 2 (amber) means defects that need attention but aren’t serious or urgent. Rating 3 (red) means defects that are serious or need repairing, replacing or investigating urgently.
The ratings are your starting point for working out where to focus. A handful of 2s is routine and usually just informs your maintenance plan. The 3s are what deserve real attention, because they either cost meaningful money, carry risk, or need a specialist to look further before you can be sure of the picture. Crucially, a rating tells you the category, not the full story. Two homes can each have a rating 3 for the roof, and one might need a few slates while the other needs a full recovering. This is why the surveyor’s written explanation, and ideally a conversation with them, matters far more than the colour of the rating itself.
Can I renegotiate the price after a survey?
Yes. Renegotiating after a survey is a normal, expected part of buying a home, and a well-evidenced survey is the strongest tool you have for it. If the report has identified issues that weren’t reflected in the asking price, you’re entitled to go back to the seller.
The approach that tends to work is calm and evidenced rather than emotional. You’re not trying to win an argument; you’re pointing to specific, documented findings and their likely cost, and asking for the price to reflect them. Sellers are far more receptive to “the survey has identified X, which will cost roughly Y to put right” than to a vague request for a discount. That’s also why the quality of your report directly affects your negotiating power: you can only renegotiate on what’s been clearly identified, explained and, where needed, costed. A thin, heavily caveated survey gives you very little to work with at the table.
How much can I ask the seller to knock off?
There’s no fixed formula, but the most defensible position is one anchored to the cost of putting the issues right. If the survey flags works that will realistically cost a certain amount, that figure is your reference point for a reduction, sometimes in full, sometimes shared, depending on how the negotiation goes.
To make the case stick, back it with evidence. For significant items, obtaining a repair estimate or a specialist report gives you a concrete number rather than a guess, and sellers find a builder’s or engineer’s figure much harder to dismiss. Bear in mind the seller’s own position too: in a competitive market they may hold firm, while a motivated seller or a problem that would worry any buyer gives you more leverage. The goal isn’t to squeeze every last pound; it’s to make sure the price you pay reflects the true condition of what you’re buying, with your eyes fully open.
Should I ask the seller to fix the problem, or reduce the price?
In most cases, a price reduction is cleaner than asking the seller to carry out the work. If the seller fixes it, you have little control over who does the job or how well, and a rushed pre-sale repair can be worse than no repair at all. A reduction lets you commission the work yourself, to your standard, once you own the home.
There are exceptions. Some issues are easier resolved before completion, and occasionally a lender will require certain works to be done as a condition of the mortgage, which forces the timing. But as a general rule, take the money and control the outcome. Whichever route you choose, get the agreement in writing through your solicitor so there’s no ambiguity later. This is also where our complimentary solicitor’s summary report helps, because the issues we flag feed straight into the legal process rather than getting lost between you, the agent and the conveyancer.
Which problems are dealbreakers, and which are just bargaining chips?
Most findings are bargaining chips: cosmetic issues, dated services, general wear, and maintenance you’d expect on any home. These rarely stop a purchase; they just inform the price and your plans. The dealbreakers are the ones that carry serious cost, risk or uncertainty.
Issues worth pausing over include ongoing structural movement or subsidence, particularly relevant on London’s clay soils, major roof or timber problems, structural alterations carried out without proper support or consent, significant damp affecting the fabric of the building, Japanese knotweed, and, for flats, a short lease or building-safety concerns. None of these automatically means walking away, but each warrants further investigation and a clear-eyed view of what resolving it would cost and how long it would take. The right move is rarely to panic and pull out, nor to press on regardless. It’s to get the specific issue properly understood before you decide.
How do I back up a renegotiation so it actually lands?
With evidence, not opinion. The three things that strengthen your position are the survey’s own wording, specialist reports where a serious issue needs confirming, and repair estimates that put a real number on the work. Together they turn “the house has problems” into “here are three documented defects and what they’ll cost,” which is far harder for a seller to wave away.
This is where having a surveyor you can actually speak to earns its keep. A good surveyor will talk you through which findings are worth pursuing, which specialists you genuinely need versus which you don’t, and how to frame the conversation with the agent. At Websters we’d far rather spend ten minutes on the phone helping you understand the report than leave you to interpret it alone, because a report you understand is a report you can act on. That conversation often makes the difference between a renegotiation that succeeds and one that stalls.
When should I walk away?
Walking away is the right call when the cost, risk or uncertainty of the issues outstrips either the value of the property or your appetite to take them on. If a serious defect can’t be pinned down, or the likely bill rivals the saving you’d ever negotiate, sometimes the best decision is the one that protects you from a problem you’ll regret.
That said, walking away should be a considered decision, not a panic reaction to a scary-looking report. Plenty of homes with rating 3 findings are still excellent buys at the right price, once the issues are understood and reflected in what you pay. The aim of a survey was never to talk you out of a house. It was to make sure that whatever you decide, you decide it knowing exactly what you’re taking on. If the report has done its job, you’ll feel clearer, not more frightened.
How a good survey gives you the upper hand
Everything above depends on one thing: the quality of the survey behind it. You can only renegotiate on what’s been found, only weigh a risk that’s been properly explained, and only walk away wisely if you understand what you’d be walking away from. A premium survey isn’t about a thicker report; it’s about clarity you can actually use.
That’s why our surveys are built the way they are. Real time on site rather than a flying visit. Drone inspection of roofs and high-level detail on properties up to seven storeys, so the parts most buyers never see get looked at properly. Plain-English advice instead of a wall of caveats. A surveyor you can call to talk it through. And a sample of our reports you can read before you instruct, so you know exactly what you’re getting. When the report is this clear, you walk into every conversation that follows holding the stronger hand.
Thinking about a home survey?
If you’re buying, the report you choose now decides how much leverage and clarity you’ll have later. Websters Surveyors is an RICS-regulated practice carrying out home surveys across London and the surrounding counties, including Hertfordshire, Essex, Surrey, Berkshire and Buckinghamshire, rated 4.9 across more than 300 Google reviews.
Not sure which level you need? A Level 2 HomeBuyer Report suits conventional, modern homes in reasonable condition; a Level 3 Building Survey is the deeper option for older, larger, altered or unusual properties. Every survey includes a complimentary solicitor’s summary to keep your purchase moving.
Request a quote or call us on 020 8017 1943 for straightforward advice from a surveyor working for you.
Frequently asked questions
Can I renegotiate the house price after a survey? Yes. If the survey identifies issues that weren’t reflected in the agreed price, you can go back to the seller. The strongest approach points to specific findings and their likely repair cost rather than asking for a vague discount.
How much should I ask the seller to reduce the price by? There’s no fixed rule, but anchoring your request to the realistic cost of the remedial works is the most defensible position. Backing it with a repair estimate or specialist report makes it far harder for the seller to dismiss.
Is it better to ask the seller to fix problems or reduce the price? Usually a price reduction, because it lets you control who does the work and to what standard once you own the home. Pre-sale repairs are sometimes rushed. The exception is where a lender requires certain works before completion.
What survey problems are serious enough to pull out over? Ongoing structural movement or subsidence, major roof or timber defects, unsupported structural alterations, significant damp, Japanese knotweed, or a short lease and building-safety issues in flats all warrant investigation. None automatically means walking away, but each needs to be understood before you decide.
Should I trust a survey that found lots of problems? A long list often means a thorough surveyor, not a bad house. What matters is whether the report explains how serious each issue is and what it would cost to address, so you can tell the routine maintenance from the genuine concerns.

