Written by Benjamin Lovett, Manager of Benjamin Services
Published:
If you are buying a property to renovate, check its condition, the work you hope to do and any limits on changing it before committing to the purchase. Arrange an appropriate survey, ask about previous alterations and approvals, and allow for work that cannot be priced until the building is opened up. After purchase, turn those findings into a defined scope before construction starts.
The key decision is whether the property still works for you if a planned change proves difficult or expensive. A kitchen that needs new fittings is different from a home that only meets your needs if a load-bearing wall can be removed. Identify those make-or-break changes early, then ask the right surveyor, designer or other specialist to assess them.
At the viewing, look beyond the finishes
Walk around the outside as well as the rooms. Note visible roof wear, staining, damp patches, cracks, uneven floors, window condition and any signs of repeated patch repairs. Ask about leaks or alterations you cannot see. These observations are questions for the survey and any later inspection; a short viewing cannot establish the cause or cost of a defect.
Think about how you would use the home. Check the sizes and arrangement of rooms, natural light, stair access, storage and where services appear to run. Decide which changes are essential and which would be optional. If your plan depends on an extension, loft room or major layout change, do not assume the property can support it just because neighbouring homes look similar.
A second viewing, where possible, helps you test the initial impression. Take measurements only where access and permission allow, and note questions for the seller rather than relying on memory or an estate agent’s photographs.
Commission a survey that fits the property
A mortgage valuation is not a substitute for your own assessment of condition. RICS says the appropriate home survey depends on the building’s age, size, condition and complexity. Its Level 3 survey is intended for older, altered or run-down buildings and for buyers planning major work. Discuss the property and your proposed changes with the surveyor before booking so you understand the inspection’s scope and limits.
Read the findings as a list of actions, not just a list of defects. Which concerns need more investigation before exchange, and which can wait until you have access after completion? A survey may recommend separate structural, roofing, drainage, electrical or plumbing input. Arrange the specialist checks that matter to the buying decision instead of guessing from the visible finish.
Keep the timing clear. A survey before purchase helps you judge whether to proceed and what to investigate. A detailed renovation survey after you have access can define the building work. Neither guarantees that every concealed condition will be known before opening up.
Check what has been done and what you may change
Ask your conveyancer to review the title or lease, seller’s replies and records for previous extensions, removed walls, replacements and other alterations. Where relevant, ask about planning decisions, Building Regulations documentation, certificates and warranties. Missing information is a question to resolve with your legal adviser and the appropriate authority or specialist; do not infer from a finished room that the work was authorised or properly documented.
For a leasehold flat or house, the lease may control alterations, even within the dwelling. Ask about freeholder or managing agent consent, shared structure and services, and access for contractors. For any proposed change, planning permission and Building Regulations approval are separate checks in England. The route depends on the design and property, not the fact that you intend to renovate it.
If you plan to disturb the building fabric, consider whether asbestos information is needed before work. HSE advises finding out whether the area to be disturbed contains asbestos and obtaining suitable survey or sample information where records are missing or uncertain. Arrange competent advice before intrusive work; an ordinary homebuyer survey does not settle this question.
Make the renovation budget reflect the building
Divide the intended work into essential repairs, necessary building changes and optional finishes. A new kitchen may be easy to picture, but roof repairs, moisture problems, obsolete services or uneven subfloors can affect the sequence and cost. Ask for estimates against a clear description of the work and tell those assessing the property what the survey has found.
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Compare quotes for the same scope and note assumptions. Structural design, applications, building control, surveys, asbestos work, utility changes, specialist repairs and concealed defects may need separate pricing. Decide how much you can spend on the purchase and the work together, including fees and a sensible allowance for uncertainties. Avoid treating a rough early estimate as a fixed price for rooms no one has fully assessed.
After purchase, turn the findings into a buildable brief
Once you have access, confirm what the survey identified, inspect areas that could not previously be reached, and agree the design room by room. Record what stays, what is removed, what needs repair and what will be renewed. Work out whether the home will be occupied during the project, where materials can be stored and how waste will leave the site.
Make the drawings, specifications, approvals and quote agree with each other before booking the work. Choose who will give instructions, how a newly discovered defect will be priced and approved, and what testing or completion records the work requires. This is when the broad idea of “buying a fixer-upper” becomes an actual construction scope.
Benjamin Services’ renovation and construction services cover coordinated work across London; its property renovation page explains the practical scope of whole-property refurbishment. Share the survey, known defects and proposed layout when discussing the work.
Official Guidance
These sources explain survey choices, buying checks and safety or approval questions.
Discuss the work after your purchase
If you have a property in London and are planning its renovation, share the available survey findings, photos and your priorities with Benjamin Services. We can discuss what needs assessing to define the building work.
Book an assessment