My House Survey Has Lots of Red Ratings - Should I Be Worried?
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- 10 min read
You have finally found the house you want to buy. Your offer has been accepted, the mortgage is progressing and then your survey arrives.
You open the report and see red Condition Rating 3 boxes throughout it.
The roof. Chimneys. Walls. Electrics. Heating. Drainage.
Suddenly, the house you were excited about buying can look like a complete disaster.
But is it?
Not necessarily.
One of the most important things to understand about a house survey is that the number of red ratings rarely tells you the whole story. What matters is why those ratings have been given, how significant the defects are and what you may need to do about them before buying the property.
A house with six Condition Rating 3 items could still be a perfectly sensible purchase. Another property with only one red rating could have an issue that deserves much more careful consideration.
Let’s look at what those red ratings actually mean.
What does Condition Rating 3 mean on a house survey?
RICS Home Surveys use colour-coded condition ratings to help buyers understand the relative importance and urgency of the findings.
A Condition Rating 3, shown in red, is generally used where a defect is serious and/or requires urgent repair, replacement or further investigation. The report should also explain the risks and what may happen if action is not taken.
The three principal condition ratings are:
Condition Rating 1 – Green
No repair is currently required, although normal maintenance will still be needed.
Condition Rating 2 – Amber
Repairs or replacement are required, but the issue is not considered serious or urgent.
Condition Rating 3 – Red
The defect is serious and/or needs to be repaired, replaced or investigated urgently.
That sounds straightforward, but the difficulty is that not every red rating represents the same level of risk.
Does a Condition Rating 3 mean I should pull out?
No.
A Condition Rating 3 should make you stop, understand the issue and decide what needs to happen next. It should not automatically make you withdraw from the purchase.
There is a significant difference between:
a repair that needs to be completed promptly;
an ageing installation with no recent test certificate;
a defect requiring a contractor’s quotation;
an area that could not be fully inspected;
and a substantial structural issue affecting the property.
Each of these could result in a red rating, but they clearly do not have the same implications.
This is why reading only the condition rating summary can be misleading.
The explanation beneath the rating is far more important than the colour of the box.
Your report should explain what was found, why it matters and what you should do next.
Why do older houses often have more red ratings?
The age, style and construction of the property make an enormous difference.
Imagine you are buying a Victorian terrace that is more than 120 years old.
It may have:
weathered chimney masonry;
ageing roof coverings;
deteriorated pointing;
older drainage;
dated electrical installations;
limited subfloor ventilation;
and areas of dampness at lower wall levels.
Those findings need to be properly considered and reported.
However, the property also needs to be assessed as a Victorian house, rather than being expected to perform like a recently built home.
Older buildings have experienced decades of repairs, alterations and maintenance. They may also contain traditional materials and construction methods that behave differently from those used in modern properties.
That does not mean defects should be dismissed simply because a house is old.
It means they need to be placed into context.
A good survey should help you understand the difference between:
normal age-related maintenance;
repairs that should be budgeted for;
inappropriate past alterations;
and something genuinely abnormal or concerning.
Lots of red ratings do not necessarily mean lots of separate problems
This is another point that can cause unnecessary concern.
RICS Home Surveys assess different parts of the building separately. As a result, one underlying defect may affect several sections of the report.
For example, imagine defective gutters have been allowing rainwater to overflow down an external wall.
The report might identify:
Rainwater pipes and gutters: The guttering is blocked, leaking or poorly aligned.
Main walls: Prolonged saturation has caused deterioration to the masonry or pointing.
Internal walls: Damp staining or raised moisture readings were recorded internally.
You could therefore have three separate report sections receiving significant condition ratings, even though they are connected to the same underlying problem.
Looking only at the summary page may make the property appear worse than it is.
This is why I encourage buyers to consider the house as a whole, rather than treating every section of the report as an entirely separate issue.
Which house survey red flags should concern you most?
There is no universal list because every property is different.
However, there are certain findings where you should pause and properly understand the implications before exchange of contracts.
Structural movement
Cracking does not automatically mean subsidence.
Properties can crack for many reasons, including:
shrinkage of materials;
thermal movement;
historic settlement;
movement around openings;
poor past alterations;
and changes in ground conditions.
The important questions are:
What is likely to have caused the movement?
Does it appear historic or ongoing?
Has the structure been weakened?
Does it require monitoring, repair or further investigation?
This is where interpretation matters. Simply identifying that a crack exists does not tell you whether it is a minor maintenance issue or evidence of something more significant.
Significant roof problems
A few slipped or damaged tiles are very different from widespread deterioration to an ageing roof that may be approaching the end of its useful life.
The report should help you understand whether you are dealing with:
local repairs;
routine maintenance;
deterioration requiring substantial work;
or a possible need for complete renewal.
Defects within the roof structure may also be significant, particularly where timbers have been cut, removed or altered.
Loft conversions, removed chimney breasts and previous roof alterations should be considered carefully where the adequacy of the structural support cannot be confirmed.
Dampness
The word damp understandably worries buyers, but the cause matters.
Dampness may relate to:
leaking gutters or pipes;
high external ground levels;
deteriorated masonry or pointing;
plumbing leaks;
condensation;
poor ventilation;
defective seals;
or unsuitable modern materials applied to an older building.
Being told that “damp was detected” is not particularly helpful on its own.
You need to understand:
Where is it?
What is likely to be causing it?
What damage has occurred?
What needs to happen next?
This is especially important in traditional properties, where inappropriate waterproof coatings, cement-based finishes or unnecessary chemical treatments can sometimes conceal the cause rather than properly resolve it.
Poorly executed alterations
Extensions, loft conversions, removed walls, chimney breast alterations and garage conversions are regularly encountered during surveys.
The questions are not simply whether the alterations exist.
You need to understand whether:
there are signs of structural movement or poor support;
the work appears properly integrated with the original building;
fire separation and ventilation are adequate;
insulation may be insufficient;
and the necessary approvals or certificates are available.
Your surveyor may recommend that your solicitor confirms whether planning permission, Building Regulations approval, listed building consent or other documentation was required and obtained.
Safety concerns
Some issues receive a serious rating because they may present a safety risk, rather than because the building itself is failing.
These might include:
unsafe electrical installations;
inadequate fire separation;
loose or unstable building elements;
unsafe glazing;
low windows presenting a fall risk;
defective gas appliances or flues;
and unsupported structural alterations.
These findings should be clearly distinguished from ordinary maintenance.
Extensive concealed areas
Every occupied house has areas that cannot be fully inspected.
Floor structures may be hidden by fitted coverings. Roofs may be partly concealed by insulation or stored belongings. Pipework and structural supports may be enclosed behind finishes.
A recommendation for further investigation does not necessarily mean that a serious defect has already been confirmed.
It may mean that the surveyor has identified a reasonable concern but cannot reach a reliable conclusion without additional access or specialist testing.
What should I do after receiving a bad house survey?
First, do not panic.
Then read the report carefully and separate the findings into sensible priorities.
1. Identify the issues that matter most
Start with the defects that could materially affect your decision to purchase.
These may include:
major structural repairs;
extensive roof renewal;
significant dampness and timber deterioration;
unresolved alterations;
safety hazards;
or works involving substantial expenditure.
Do not become distracted by a long list of relatively small maintenance items while overlooking something more important.
2. Speak to your surveyor
This is one of the most valuable parts of the process.
Sometimes a short conversation can provide more context than repeatedly reading a technical paragraph in the report.
Useful questions may include:
Which findings concern you most?
Are any of the defects unusual for this type of property?
What should be dealt with immediately?
What can reasonably wait?
Is further investigation genuinely necessary before exchange?
Which works should I obtain quotations for?
Are several of the condition ratings connected?
A survey should help you make an informed decision. It should not leave you with another long list of unanswered questions.
3. Obtain quotations where necessary
Where substantial repairs are expected, obtaining quotations before exchange can help you understand the likely financial implications.
This is particularly important where the cost could affect:
whether you proceed;
whether you renegotiate;
your mortgage or renovation budget;
or the amount of money you retain after completion.
You do not necessarily need a quotation for every small defect.
Focus on the works that are significant, uncertain or potentially expensive.
4. Arrange further investigation where justified
Further investigation should have a clear purpose.
You should understand:
what remains uncertain;
why that uncertainty matters;
who is best placed to investigate it;
and whether it should be resolved before you become legally committed.
A vague instruction to “obtain specialist advice” is not particularly useful unless the report explains why it is needed.
Examples might include:
an electrician assessing an installation without a current inspection report;
a structural engineer reviewing suspected movement or inadequate support;
a drainage contractor carrying out a CCTV inspection;
or a roofing contractor inspecting an area that could not be safely accessed.
5. Ask your solicitor to investigate legal matters
Not every important survey finding is a physical defect.
Your surveyor may highlight matters involving:
extensions and alterations;
planning permission;
Building Regulations;
guarantees;
shared access;
boundaries;
private roads;
drainage arrangements;
solar panels;
or ownership and maintenance responsibilities.
Make sure these recommendations are passed to your solicitor and answered before exchange.
6. Decide whether the agreed price still makes sense
The survey forms part of your wider buying decision.
You may decide:
The repairs are expected for a property of this age and I am happy to proceed.
You may decide:
I still want the house, but I need to allow for the work within my budget.
Or:
The extent of the repairs was unexpected and I want to renegotiate the purchase price.
Occasionally, the findings may be significant enough that you decide the property is no longer right for you.
All of these can be reasonable decisions.
The important thing is that you make the decision with your eyes open.
Can I renegotiate after a house survey?
Potentially, yes.
However, receiving a Condition Rating 3 does not automatically justify asking the seller for thousands of pounds off the agreed price.
The strongest case for renegotiation usually arises when the survey reveals significant and unexpected repairs that you could not reasonably have known about when making your offer.
For example, discovering that extensive roof renewal may be required is different from finding that an older property needs routine redecoration.
Where important works are identified, contractor quotations can give you a more credible basis for discussion than choosing an arbitrary figure.
You should also consider:
whether the asking price already reflected the property’s condition;
whether the defect was clearly visible when you viewed;
whether the work is essential or simply an improvement;
and whether the property remains good value overall.
The seller is not obliged to reduce the price.
You will then need to decide whether you are comfortable proceeding at the agreed figure.
What if the survey recommends further investigation?
Further investigation is sometimes interpreted as:
“The surveyor has found something terrible.”
That is not necessarily the case.
Home Surveys are visual and generally non-destructive. Surveyors cannot lift fitted floors, open walls or dismantle parts of somebody else’s home simply to inspect concealed construction.
There will therefore be occasions where something cannot be confirmed during the original inspection.
The report should explain:
what concern has been identified;
which areas could not be inspected;
why more information is needed;
and what risk remains if you proceed without resolving it.
Further investigation should not be recommended automatically for every older or untested element. It should be proportionate to the risk and capable of helping you make a better-informed decision.
Is a Level 3 survey supposed to sound worse?
Sometimes a buyer receives a detailed Level 3 report and feels as though the property has suddenly developed dozens of problems.
It has not.
It is the same house you viewed before the inspection.
You simply know more about it now.
RICS describes the Level 3 Home Survey as its most comprehensive survey report. It provides more detailed consideration of defects, repair options, likely timescales and the possible consequences of not carrying out the work.
Naturally, that can result in a longer and more detailed report.
More detail does not automatically mean a worse house.
The purpose of that detail is to help you understand what you are buying and what ownership may involve.
A good survey should not frighten you unnecessarily
There is a balance to good residential surveying.
A surveyor should not minimise genuine defects because they do not want to worry the buyer.
Equally, every maintenance issue should not be made to sound catastrophic.
You need an honest and proportionate assessment of the property in front of you.
That means explaining:
what is wrong;
why it matters;
what is likely to have caused it;
what may happen if it is ignored;
what you should do next;
and how important it is in the context of the property as a whole.
Ultimately, that is what a house survey is for.
Not to produce the greatest possible number of red boxes.
Not to make the decision for you.
But to give you the information and professional context needed to decide whether the property remains the right purchase for you.
Worried about the results of your house survey?
Buying a property can be stressful enough without receiving a report you do not fully understand.
At JWA Surveyors, my approach is to make sure you understand the property you are buying, rather than simply sending you a report and leaving you to work everything out yourself.
I provide RICS Home Survey Level 2 and Level 3 surveys across Cambridge, South Cambridgeshire, Hertfordshire, Bedfordshire and the surrounding areas.
My reports are property-specific and focus on the issues that actually matter. I am also available after the report has been issued to discuss the findings, answer your questions and help you understand the next steps.
Because sometimes the most important part of a survey is not finding the defect.
It is understanding what that defect actually means for you.
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