Demolition Asbestos Survey Preston — investigate the structure before it is broken apart
Locate hidden ACMs before demolition plant and operatives expose them
A Demolition Survey investigates the defined structure at a much more intrusive level than a Management Survey. It should be planned around what is being demolished and what is retained.
Full demolition
Investigate the structure comprehensively before complete demolition begins.
Partial demolition
Define demolition and retained boundaries so the survey matches the actual work.
Soft strip / deconstruction
Coordinate survey access with ceilings, floors, services, walls and other elements being stripped.
An old Management Survey is not a demolition clearance document
HSE states that refurbishment or demolition surveys must locate and identify hidden ACMs before structural work begins, and that ACMs should be removed so far as reasonably practicable before major refurbishment or demolition.
See HSE guidance and ASM's national Demolition Survey page.
Useful demolition-survey inputs
- demolition drawings
- retained structures
- soft-strip sequence
- existing asbestos records
- structural information
- services and isolations
- below-ground interfaces
- access and programme constraints
Survey → scope asbestos work → complete controls → proceed with demolition
Coordinate asbestos removal, analytical work and construction interfaces, with a clear distinction between the survey and each subsequent activity.
Define the boundary
Confirm the affected structures, hidden spaces and service interfaces, including the demolition line and retained occupation. Agree permission and safe intrusive access.
Investigate intrusively
Investigate the relevant building fabric under controlled survey arrangements. Record identified asbestos and every unresolved area before work planning proceeds.
Deal with ACMs
Plan removal or other required controls before demolition can disturb the material. Agree the applicable waste, analytical and completion evidence for the instruction.
Provide project information
Give the demolition contractor the survey and completion records with remaining restrictions and controls. Confirm what evidence is needed to release each affected work area.
Connect asbestos findings to the demolition programme
Use the survey evidence to define the removal, analytical and ground-risk workstreams before the programme moves on.
Describe the physical structure
Identify roof systems, external elements, attached stores, canopies and internal construction within the demolition line. Include partial-demolition interfaces with neighbouring occupation. The instruction should distinguish a whole structure from one rear extension or unit, with adequate drawings and safe access information for intrusive investigation.
Resolve preparatory work
Service isolation, structural stability and specialist access may need arranging before some areas can be inspected. Define who provides each item and when further investigation can occur. A vacancy date is useful programme information, but does not demonstrate that every hidden location is safe or accessible.
Use findings for the actual tender
The removal or demolition team needs traceable material locations and clear limitations. A schedule copied without the report context can conceal an uninspected interface. Where quantities or concealed areas remain uncertain, identify the assumptions rather than letting a general building title imply complete investigation.
Preserve the handover trail
Reconcile completed asbestos work with the relevant findings and records before releasing the area for demolition. Show retained or unresolved materials and communicate any boundary changes. Where excavation follows, use the separate groundworks evidence appropriate to that footprint rather than extending the building survey to all arisings.
Preston demolition: define retained occupation and subsequent groundworks
One structure within a larger property
A rear extension, outbuilding or former commercial unit may connect to occupied premises through shared walls, roofs or services. Identify the physical boundary on drawings and provide information on isolation and stability. The relevant permissions and safe access need to be available for a suitably intrusive investigation.
Issue the same boundary to the survey team and demolition contractor. If an adjoining element must remain, its interface should be visible in both packages.
Redevelopment around former commercial land
Where removal of buildings is followed by groundworks, agree which evidence covers the standing structure, below-ground structures and excavated material. A demolition survey is not an assessment of the whole land parcel.
For Riversway or other redevelopment enquiries, use the actual site history and investigation results. A district’s past use is context for questions, not a substitute for findings at the property.
A garage attached to a retained home
A Preston garage or outbuilding may share walls, roof edges or services with a building that remains occupied. Mark what will be removed and retained, then resolve concealed interfaces before demolition reaches them.
UKAS 32982: defined inspection and testing activities
Asbestos Surveying and Monitoring Ltd holds UKAS accreditation number 32982 for defined inspection activities to ISO/IEC 17020 and testing activities to ISO/IEC 17025. The current schedules define the applicable activities and locations. Bulk material identification is undertaken at the Sunderland laboratory.
Sunderland laboratory and testing information
Removal, management-plan preparation, watching briefs and remediation are separate services and are not described as UKAS accredited.
Commission the Preston demolition survey against a defined structure
Identify the full or partial demolition line, including external elements and attached structures. Supply previous records and information on stability, services and access. A report for an empty building still needs a purpose and physical boundary; vacancy alone does not turn occupation information into a demolition investigation.
Hidden areas may require enabling work or specialist access before they can be inspected. Agree responsibilities and retain unresolved locations as actions affecting the demolition sequence. The team undertaking demolition needs to understand the implications of each remaining restriction.
The survey supports planning of applicable asbestos work within the defined structure. It does not provide structural certification or automatically assess surrounding soil and buried rubble. Coordinate those separate workstreams where redevelopment includes excavation.
Safe access may need specialist preparation
Vacancy, isolation and structural condition are central to demolition survey planning. Unstable roofs, unsafe floors, confined areas and live services can prevent investigation until suitable enabling measures are in place. Provide structural information and identify who will authorise and deliver those measures.
The report must clearly state any areas that remain uninspected. Agree how the remaining investigation will be completed before the relevant fabric is demolished. Describing a restriction in the report does not resolve the risk for the demolition team.
Coordinate the Preston building survey with excavation
A project may demolish a structure before opening foundations, ducts, pits or surrounding ground. Define which elements belong to the building investigation and which require a separate ground strategy or specialist assessment. The interface should appear on the project plan rather than remaining an assumption between contractors.
For a plot with several development phases, collect earlier investigation, demolition and remediation records where available. A recent warehouse or office does not by itself describe the material below the slab, while older buildings do not prove contamination across the yard. Use the site-specific evidence.
Where structural hazards or live services prevent access, identify the enabling steps needed and a hold point before the affected fabric is demolished. A limitation in the report remains an issue to resolve; it should not be treated as permission to proceed without further investigation.
The demolition team should receive material locations, completed-removal evidence and remaining restrictions in a consistent set of drawings and records. Identify retained asbestos outside the demolition boundary and communicate the controls needed around it.
For groundworks, agree an unexpected-find response and the evidence needed for material handling and verification. Preston asbestos-in-soils support can be scoped around those decisions. A building survey result should not be used as a blanket statement about all excavation arisings.
Preparing the information for the demolition contractor
The demolition team needs an understandable link between the survey, the structures on site and the asbestos work completed before demolition. Use building identifiers and marked plans that remain consistent across survey reports, removal scopes, waste records and any applicable analytical documentation.
For a Preston site containing several construction phases, identify the older building, later extensions, linked roofs and ancillary structures separately where this helps define the work. Different construction histories can produce different material findings and access requirements; avoid extending conclusions from one inspected part to another without evidence.
Record what remains unresolved, including concealed areas that could not be safely accessed until specialist preparation is complete. Agree the hold point and who authorises further investigation before those elements are demolished. The programme should allow for this rather than relying on an assumed clear result.
After asbestos work, the demolition contractor should receive the relevant completion evidence and any restrictions or retained materials. An asbestos survey does not replace structural, utility, stability or other demolition planning; each source of information needs to be available to the people controlling the works.
Building demolition and ground contamination need separate evidence
A survey of a standing building does not establish whether asbestos is present in made ground, buried rubble or historical demolition deposits. Where excavation is planned, use the site history, ground investigation and earthworks requirements to define a suitable asbestos-in-soils assessment.
For phased Preston projects, keep building references, demolition boundaries and ground zones consistent across drawings and reports. This helps the contractor identify what evidence applies to each stage and where a further hold point is needed.
See HSE’s survey guide for survey planning and reporting principles.
Preston service coverage and enquiries
ASM coordinates Preston enquiries and site attendance through its national team. Bulk sample analysis is undertaken at the Sunderland laboratory within the applicable accredited scope. Arrange attendance or sample submission before dispatching material.
ASM · Preston service enquiries
Site attendance by prior arrangement. Send the property address, required service and target dates.
National enquiries
0330 433 9680
Monday–Friday · 08:00–18:00
Preston and surrounding enquiries
Preston city centre, Fulwood, Ashton-on-Ribble, Riversway, Preston East, Deepdale, Ribbleton and the Winckley Square area.
Provide the full postcode, property use and intended work. Scope, safe access, programme and attendance are agreed for the individual instruction.
ASM supports Preston enquiries and surrounding Lancashire projects. Penwortham, Bamber Bridge, Walton-le-Dale and Walton Summit are neighbouring South Ribble locations; include the exact address so the service and attendance can be agreed.
For mixed-use property, identify individual flats, commercial suites and common parts. For a portfolio, retain separate address and access references even where one managing agent coordinates the programme.
Bulk material analysis is undertaken through ASM’s Sunderland laboratory. Confirm collection or sample-submission arrangements with the team before attendance or dispatch.
Preston services connected to demolition
Connect the pre-demolition survey to removal, analytical support, contaminated-land work and wider redevelopment information.
Demolition Asbestos Survey Preston FAQs
Can a rear extension be surveyed separately from an occupied Preston building?
Yes, where the partial demolition boundary and retained interfaces are clearly defined. Include shared walls, roof junctions and services affected by the work. Suitable intrusive access, isolation and structural information are needed for the instruction.
Does planning permission provide the asbestos evidence for demolition?
No. Planning and asbestos investigation serve different purposes. The demolition team needs suitable information about materials within the affected structure. Arrange the survey and any necessary asbestos work as part of the project preparation.
What information is needed for a former commercial unit at Riversway?
Provide plans, previous asbestos records, intended demolition boundaries and information on stability, services and safe access. Where excavation follows, identify separate questions concerning below-ground structures and made ground.
Can the survey include several outbuildings behind one address?
Yes, if each structure is listed and included in the written instruction. Mark their locations and connections to retained buildings. An address alone may not make clear which garages, stores or canopies are affected.
How should the report deal with an unsafe section of the building?
State the restriction and its implications, and define the preparation or specialist access needed for further investigation. The demolition programme must address the unresolved area before the relevant disturbance; lack of access does not establish absence of asbestos.
Will the survey establish a disposal classification for all demolition rubble?
A building asbestos survey provides material findings within its scope. Classification and management of arisings may require additional assessment and records. Keep asbestos removal, demolition waste and groundworks requirements coordinated but explicitly defined.
What if the demolition boundary changes after tender?
Compare the revised boundary with the survey and removal information. Newly affected structures or interfaces can require further investigation and revised pricing. Circulate consistent drawings to the survey, removal and demolition teams.
Does an empty property allow unrestricted intrusive surveying?
No. Stability, services, access permissions, neighbouring occupation and other site hazards still matter. Provide the necessary information and agree safe arrangements before attendance rather than assuming vacancy resolves every constraint.
When should neighbouring occupiers be considered?
Before the survey and demolition programme are fixed. Shared services, access routes and retained structures can affect both investigation and subsequent work. Identify the responsible contacts and permissions early.
What documents should the demolition contractor receive after asbestos work?
Supply the relevant survey and limitations, evidence of completed asbestos work and applicable analytical or waste records. Identify any retained or unresolved material. The contractor should understand the actual released boundary before demolition starts.
Define the demolition boundary before the destructive survey starts
Send drawings, demolition scope, retained structures, soft-strip sequence, existing asbestos information, isolation constraints and programme. ASM can prepare the intrusive survey scope and written quotation.

