Choose the report for the Marylebone decision
Choose according to construction, alterations, condition and the purpose of your instruction.
- RICS Level 2 Home Survey — a conventional home in reasonable condition, without significant complexity.
- RICS Level 3 Building Survey — an older, altered, unusual or complex home needing a fuller investigation of condition.
- Specific defect investigation — a defined concern such as damp, cracking or water ingress.
- Pre-acquisition commercial building survey — condition and technical risk for a commercial purchase or lease.
Send the address, plans and your concerns so the proposed service, inspection limits and fee can be confirmed before instruction.
East Marylebone’s piecemeal redevelopment
Westminster’s East Marylebone mini guide describes older terraced houses being replaced by mansion blocks, commercial premises and semi-industrial buildings as leases expired between about 1860 and 1914. It also identifies surviving eighteenth-century houses at 93–101 Great Titchfield Street. This documentary history explains why adjoining façades need not represent the same original layout or building use.
For the property offered, request the current floor arrangement and information about conversion or refurbishment. Identify whether the dwelling occupies one original plot, crosses adjoining buildings or shares a structure with another use. The source concerns East Marylebone’s recorded townscape; it is not a survey of every home within the wider Marylebone area.
Marylebone building stock and property types
Formal terraces on the estate grid, with solid-wall construction, lath and plaster, shared party structures and historic fabric that needs reading with care.
Purpose-built flats where the wider building’s condition, common parts and management shape the individual home.
Georgian houses in mixed residential and consulting-room use around Harley and Wimpole Streets, where surveys are scoped to use as well as construction.
Former mews and houses divided into flats, of varied age and quality, that warrant particular scrutiny.
Estate leasehold, conservation areas and alteration risk
Much of Marylebone is held on long leases under two great estates — the Howard de Walden Estate around the Harley Street and Marylebone High Street core, and the Portman Estate to the west — and both operate their own leasehold alteration consent, licence-to-alter regimes and estate-wide management standards. A Level 3 survey records the construction and condition of the building and flags where alterations are likely to need estate consent as well as any Westminster planning and listed building consent, so you can plan works and budget realistically. We identify where estate consent and covenants are relevant; we do not provide the consent itself, and the estate and exact lease terms should be confirmed for the specific address.
Parts of Marylebone also fall within conservation areas — among them the Harley Street, Portman Estate, Dorset Square and part of the Regent’s Park areas — and the district has a high concentration of listed Georgian buildings. The survey records historic fabric, including brickwork, decorative stucco, original joinery and traditional roof detailing, and flags where conservation controls or listed building consent are likely to shape repairs; where an Article 4 direction applies, changes to windows, front doors and visible elevations may need consent. The exact conservation area, any Article 4 direction and a property’s listed status should be confirmed with Westminster for the specific address before you instruct. For location-specific advice, see our Marylebone heritage building surveying page.
A Marylebone purchase may sit within a building whose original use and current residential layout differ. Explain the floor, entrance and any commercial accommodation below before requesting a survey. The brief should identify the actual premises and shared parts, not assume that a classical street frontage belongs to one original house.
A dwelling over non-residential accommodation
Ask where the residential entrance and service routes are located. If access to a roof, yard or shared stair depends on another occupier, have the agent obtain permission for the agreed inspection. Make clear which commercial parts fall outside the home-survey instruction rather than assuming the whole ground floor will be accessible.
Specific concerns about fire arrangements, acoustic separation or specialist equipment should be raised when agreeing scope. A visual residential survey is not certification of those systems. Available conversion records can help explain the layout, but an inaccessible boundary between uses should be recorded as a limitation and, where needed, a further enquiry.
Roof-level decoration and the maintenance record
For an upper flat, request information about roof work, external stone or stucco repairs and any scaffold project described by the seller. Establish whether the work concerned this elevation or another part of the building. A general statement that the block has been renovated can refer to communal decoration rather than the enclosing fabric.
Photographs and schedules help locate the relevant areas before inspection. Accessible observations can then be compared with the documented work. They cannot establish the current condition of a concealed fixing or a surface beyond the available vantage point. The report should distinguish a maintenance question from a demonstrated defect.
Matching the sale plan to the communal arrangements
Mark the entrance, private rooms and any storage or terrace on the sale and lease plans. Ask whether a passage, lift lobby or rear stair is common to adjoining premises. A flat can depend on building elements outside its decorated interior, so available management correspondence belongs with the enquiry.
The conveyancer should check legal rights and repair obligations using the actual documents. The physical inspection and those legal checks work together without substituting for each other. If the agent’s plan and the lease plan appear to differ, flag the precise location for clarification rather than treating the marketing description as confirmation of title.
Marylebone building survey questions
Is every classical Marylebone frontage an original Georgian house?
Westminster records substantial later redevelopment in East Marylebone alongside some surviving older houses. Obtain the individual building’s history and present layout. Appearance alone cannot establish its original use.
Can a residential survey include the business beneath my flat?
Only the agreed premises and accessible relevant parts are within the instruction. Explain any shared access or services at the outset. Commercial equipment and specialist separation concerns need their own scope discussion.
What should I request after a reported scaffold project?
Ask for the work schedule, dates and elevations covered, with completion or repair information where available. Determine whether the project concerned roof fabric, external repairs or decoration before relying on a broad refurbishment description.
Does the mini guide determine current lease conditions?
It describes development history and local character. It cannot confirm a particular lease, repair obligation or right of access. Use the property’s legal records and current management information.
How should an unexplained difference between two plans be handled?
Identify the room or boundary that differs and send both plans to the purchase team. A survey can consider the physical arrangement, while the conveyancer addresses title and legal rights. Do not silently assume one plan supersedes the other.
Marylebone Building Survey Quote & Fee Estimator (From £550 plus VAT)
Content updated: October 2026.