Schedule of Condition Explained: Why It Matters Before Building Work Starts

A Schedule of Condition is a written and photographic record of a property’s condition before building work begins. It documents existing cracks, defects and other visible damage, providing evidence that can help establish whether changes have occurred during construction. Particularly useful for extensions, excavations and party wall matters, a professionally prepared Schedule of Condition can help protect the interests of both building owners and neighbouring property owners.

What Is a Schedule of Condition?

A Schedule of Condition is a detailed record of a property’s existing condition at a specific point in time, typically prepared by a building surveyor before nearby construction work begins.

Building projects can involve excavation, demolition, foundation work or structural alterations. Although contractors should take appropriate precautions, concerns may arise if cracks or other damage are noticed during or after construction.

The difficulty is establishing whether the damage was already present.

For example, a homeowner might notice cracks in their living room after a neighbour begins an extension. Without evidence of the property’s previous condition, it can be difficult to determine whether those cracks are new or have existed for several years.

A Schedule of Condition addresses this uncertainty by documenting the property’s condition before the work starts. The record can later be compared with the property’s condition if damage is reported.

However, it is important to understand that a Schedule of Condition is an evidence-gathering exercise. It does not automatically establish the cause of damage or determine who is responsible.

What Does a Schedule of Condition Survey Include?

The inspection focuses on the parts of a property that could reasonably be affected by the proposed construction work.

Depending on the building, its accessibility and the agreed scope, a surveyor may record:

• Internal walls and ceilings: Existing cracks, staining, damaged plasterwork and other visible defects.
• Floors: Cracking, uneven surfaces, damaged finishes or evidence of movement.
• Doors and windows: Visible distortion, existing damage or operational problems where relevant.
• External walls: Cracked brickwork, damaged render, defective pointing and other visible deterioration.
• External features: Boundary walls, pathways, patios, fences and structures close to the proposed works.
• Supporting photographs: Images showing the location and appearance of existing defects.

Written descriptions are particularly important. A photograph might show a crack, but accompanying notes can identify its location, approximate dimensions and other relevant characteristics.

The level of detail should be appropriate to the risks associated with the proposed work.

A Schedule of Condition is generally a visual inspection of relevant accessible areas. It should not be confused with a comprehensive building survey or structural investigation, which may examine a wider range of defects and their possible causes.

Why Is a Schedule of Condition Important Before Building Work?

The primary purpose of a Schedule of Condition is to reduce uncertainty if concerns about property damage arise.

There are three important reasons to arrange one before construction begins.

1. It Establishes Evidence of Existing Defects

Buildings often have cracks, worn finishes or other defects that developed long before any nearby construction.

By recording these conditions in advance, a surveyor creates a reference against which subsequent changes can be assessed.

This can help distinguish between existing damage, deterioration that has progressed and defects that were not previously visible.

2. It Helps Protect Both Property Owners

A Schedule of Condition is valuable to both the person commissioning building work and the owner of a neighbouring property.

For the building owner, it can provide evidence that particular defects existed before construction began, helping address unfounded allegations.

For the adjoining owner, it provides a record that can support concerns about newly occurring damage.

The aim is not to favour either party, but to provide an accurate account of the property’s condition before the work.

3. It Supports Fairer Damage Assessments

If a dispute develops, relying on memory or photographs taken after construction may not provide enough information.

A properly documented Schedule of Condition gives surveyors a clearer basis for comparing the property’s condition before and after the works.

Although additional investigation may still be needed, this evidence can help both parties reach a better-informed understanding of what has changed.

When Should You Arrange a Schedule of Condition?

Ideally, the inspection should be completed before any relevant construction, excavation or demolition begins.

Arranging it early helps ensure that the property’s original condition is recorded without uncertainty about whether the works have already affected it.

Extensions and Structural Alterations

House extensions, loft conversions involving relevant structural work and substantial renovations can raise concerns about neighbouring buildings.

Where proposed works may affect adjoining structures, documenting their condition beforehand is a sensible precaution.

Excavations and Foundation Work

Excavations close to neighbouring buildings require particular consideration, especially where proposed foundations extend below those of an adjoining property.

Depending on the depth and proximity of the excavations, the Party Wall etc. Act 1996 may apply.

A Schedule of Condition can provide important supporting evidence where neighbouring buildings could potentially be affected by the works.

Party Wall Works

Work involving shared walls, boundary structures or certain excavations near neighbouring buildings may fall under the Party Wall etc. Act 1996 in England and Wales.

A Schedule of Condition is commonly prepared as part of the party wall process and may accompany a Party Wall Award.

The record helps the appointed surveyor or surveyors assess concerns about damage to the adjoining property.

Not every extension or renovation requires a Party Wall Award, so the proposed work should be assessed against the relevant legal requirements.

What Happens During a Schedule of Condition Survey?

Although the precise process depends on the property and proposed work, an inspection will generally involve four stages.

1. Reviewing the Proposed Works

The surveyor considers the construction plans, the proximity of neighbouring buildings and the areas that may be affected.

This helps establish which parts of the property need to be inspected.

2. Inspecting Relevant Areas

The surveyor visits the property and examines the accessible areas within the agreed scope.

They identify visible defects and assess what information should be recorded before construction begins.

3. Documenting Existing Conditions

The surveyor prepares written observations, supported by photographs and, where appropriate, measurements of particular defects.

Clear descriptions help ensure the record remains useful if the property’s condition needs to be reviewed later.

4. Preparing the Final Record

The inspection findings are compiled into a formal Schedule of Condition.

Depending on the circumstances, it may form part of a Party Wall Award or be retained as a separate record by the parties involved.

Who Arranges a Schedule of Condition?

Where a Schedule of Condition forms part of a Party Wall Award, the inspection is generally coordinated by the appointed party wall surveyor or surveyors.

The building owner undertaking the works will typically be responsible for the reasonable costs of the statutory party wall process, although the precise allocation of costs depends on the circumstances and relevant provisions of the Act.

A property owner may also commission a Schedule of Condition independently, outside the formal party wall process, where documenting an existing condition would be beneficial.

The appropriate arrangement will depend on the proposed building work and whether the Party Wall etc. Act 1996 applies.

What If a Neighbour Refuses Access for the Survey?

An adjoining owner may be reluctant to allow a surveyor into their property, particularly if they do not understand why an inspection is necessary.

Explaining that the record can protect both parties may help address concerns.

However, an adjoining owner’s refusal to permit a Schedule of Condition inspection does not necessarily prevent a Party Wall Award from being prepared.

Government guidance confirms that an award may proceed without a Schedule of Condition if the adjoining owner does not wish one to be recorded.

This can create difficulties later, as there may be less evidence available to establish whether damage was present before the building work began.

Access rights under the Party Wall etc. Act 1996 depend on the circumstances and statutory procedures. They should not be confused with an unrestricted right to enter a neighbouring property simply to undertake a voluntary inspection.

What Happens If Damage Is Discovered After Building Work Starts?

If cracks or other defects are discovered during or after construction, the first step is to document the concerns clearly and promptly.

Where a Schedule of Condition exists, the original record can be used to compare the property’s previous and current condition.

A sensible approach involves:

1. Recording the damage: Photograph the affected areas and note when the issue was first noticed.
2. Reviewing the original Schedule of Condition: Check whether the damage was previously recorded and whether its appearance has changed.
3. Seeking professional assessment: Ask the relevant surveyor to inspect the affected area and consider whether further investigation is necessary.
4. Following the appropriate process: Where the damage concerns works covered by a Party Wall Award, raise the matter with the appointed surveyor or surveyors.

Consider an existing crack that was recorded before excavation work began. If the crack subsequently widens, the original description and photographs may help establish that a change has occurred.

However, identifying a change does not automatically establish its cause. Other factors, including ongoing building movement, may need to be considered.

This distinction is important when assessing damage fairly and avoiding unsupported conclusions.

Is a Schedule of Condition a Legal Requirement?

A Schedule of Condition is not automatically required by law before building work begins.

Under the Party Wall etc. Act 1996, preparing a Schedule of Condition is not itself a statutory requirement. However, government guidance strongly recommends recording one because it can provide useful evidence if damage occurs.

Where the Act applies, building owners must still comply with the relevant notice and dispute-resolution procedures.

A Schedule of Condition does not replace these obligations, nor does it remove the need to comply with applicable planning permission or building regulations requirements.

For more information, the government’s Party Wall etc. Act 1996 explanatory booklet explains the responsibilities of building owners, adjoining owners and appointed surveyors.

Protect Your Property Before Building Work Begins

Building work can create understandable concerns, particularly when construction takes place close to neighbouring properties.

A Schedule of Condition provides an accurate record of existing property conditions, helping establish a clear starting point before the work begins.

By arranging an inspection early, property owners can reduce uncertainty, protect their interests and ensure that useful evidence is available should concerns about damage arise.

Whether you are planning building work or are concerned about a neighbouring project, professional surveying advice can help you understand the risks and determine whether a Schedule of Condition would be appropriate.

Contact our surveying team to discuss your project and the next steps.