AI Disclaimer
V1.0 availability notice — 19 October 2026: AI features are not available in V1.0. AI-specific provisions below apply only if a feature is subsequently enabled with the required notices, permissions and controls. Existing upload and content-rights obligations continue to apply to non-AI use.
Effective date: 6 November 2026
1. What AI output means Lighthouse AI output is assistance for exploration, comparison or planning. It is not a certified BOQ, signed drawing, site survey, structural design, statutory approval, guaranteed quotation or binding purchase instruction. AI can make plausible errors. It can misread a drawing, scale, quantity, dimension, product code, finish, installation requirement, tax treatment, availability or price. An attractive visual may be physically impractical or unsafe.
2. Checks before acting For products, confirm the exact manufacturer model, variant, dimensions, technical specification, compatibility and warranty with the seller/manufacturer. For quantities and costs, verify drawing revisions, measurement units, wastage, accessories, installation, freight, taxes and contingency. Reconcile estimates against site measurements and a competent professional’s BOQ. For design or construction, obtain review by the appropriate qualified architect, engineer, designer or contractor. AI does not replace professional supervision or mandatory certification. For orders, use a written accepted quotation and an authorised human decision. Do not allow an AI tool to approve substitutions or release payment without an explicit controlled approval.
3. Images and recommendations Generated or altered visuals must be identified accurately. They do not prove a project was built or that a product was installed. A recommended material or supplier is not necessarily suitable, in stock, authorised or available in your location. A sponsored suggestion must be labelled. Independently compare material alternatives and check relevant standards and manufacturer instructions.
4. Responsibility and rights You remain responsible for deciding whether to act on an output and for supplying material you are entitled to use. Lighthouse remains responsible for its own obligations under applicable law and any express service commitment. This disclaimer does not waive mandatory consumer rights, excuse fraud or remove liabilities that law prohibits excluding. Input ownership is unchanged and output rights are governed by the Terms, IP Policy and applicable law.
5. Report a concern Use the feature’s report control or the grievance contact to flag inaccurate, unsafe, infringing or deceptive output. Include the request/output identifier and what appears wrong. Stop relying on an output if a safety issue is suspected.
Suggested short interface notice “AI-generated guidance may be inaccurate. Check product details, quantities and costs with the supplier and a qualified professional before ordering or executing work.” Proposed acknowledgement: “I understand that this is an AI estimate and will verify it before use.” This acknowledgement is not consent to model training, marketing or public sharing.
Implementation check Display the short notice near the output and at consequential export/ordering steps. A buried footer disclaimer is insufficient to explain a specific known limitation.
6. Specific limitations of construction outputs A quantity generated from a photograph, PDF or drawing can be wrong because the scale is missing, the drawing is superseded, layers are hidden, dimensions conflict or a unit has been misread. Tile and board quantities may omit cutting patterns, breakage, shade lots, wastage and pack rounding. Electrical and plumbing suggestions may omit load, pressure, protection ratings, local connection standards or concealed site conditions. Images and visualisations can misrepresent dimensions, lighting, textures, finishes and physical feasibility. A product shown in a generated image may not exist or may not be the product available for purchase. An illustrated room is not a measured survey or confirmation of the products used in the actual completed project.
Budget estimates may omit freight, installation, consumables, permits, taxes, escalation or geographic differences. A product similarity result is not certification that two items have equivalent specifications, performance, warranty or safety approvals.
7. Checks required before relying on an output Before using an output, check the source documents and revision, measurement units and scale, assumptions, exclusions, product codes, jurisdiction and intended purpose. Obtain manufacturer confirmation where compatibility matters and qualified professional approval for safety, structural, electrical, fire, accessibility or code-related decisions. If a suggested item is unavailable, do not automatically order the closest match. A documented substitution must explain technical and commercial differences and obtain the buyer’s approval. Where an output is incomplete, inconsistent or outside the feature’s stated purpose, stop and seek clarification. No AI output constitutes an architect’s signed drawing, engineer’s certificate, statutory approval, site inspection, valuation, financing offer, guaranteed savings or legally binding supplier quotation unless a separately identified authorised person expressly issues that document in the required form.
8. Source age and content provenance An answer can combine current and historical information. Where known, source dates and catalogue versions should be shown; users must verify time-sensitive information at purchase. A historical project’s budget is not a quotation to reproduce that project today. Resurfacing a project does not renew the validity of the featured products, prices or professional credentials. AI-assisted text should be checked by the contributing professional before public publication. It must not add awards, client statements, budgets, construction techniques or materials that the contributor has not confirmed. Editing an old story does not create permission to reuse the associated photographs.
9. Reporting errors and responsibility Report the output identifier, relevant input revision, description of the error and any urgent safety concern through the published support channel. Avoid sending unnecessary personal information. We may correct the output, restrict the feature or contact affected users where appropriate. We cannot guarantee recovery of consequential decisions already made independently of the service. This disclaimer allocates the intended use of an assistance tool; it does not exclude Lighthouse’s own fraud, misleading representations, obligations expressly undertaken or liability that law prohibits excluding. Any business liability cap must arise from the applicable signed agreement. Consumer rights, including mandatory international protections, take precedence.
10. International use A recommendation trained or configured for one market must not be presumed suitable for another. Verify local codes, licensed-professional requirements, voltage and connection standards, units, product certifications, language and import restrictions. International availability of the website does not constitute approval of an output for local construction use.
11. Quantity and budget reliance protocol An AI quantity is incomplete unless the applicable measurement unit, input drawing revision, assumed scale, inclusions, exclusions and treatment of wastage are understood. A square-foot quantity cannot be treated as a number of boxes without verifying coverage per box. A running-metre estimate cannot be treated as a count of fittings. The user must check conversions and rounding against the manufacturer's packaging and actual site conditions. A budget estimate may omit installation, adhesives, supports, waterproofing, transport, unloading, access equipment, cutting losses, disposal, taxes and contingency. An apparently precise total is not a commitment that a project can be completed for that sum. Only the separately accepted quotation binds its identified supplier, subject to the transaction terms and law.
12. Product alternatives and visual representations Two products that look similar may differ materially in pressure rating, electrical load, fire performance, finish, dimensions, mounting method, maintenance requirements or warranty. A suggested alternative must be verified against the intended application and relevant professional specification. The buyer must not assume that a lower-priced match is technically interchangeable. An AI visual cannot reliably establish colour under actual lighting, texture, scale, structural feasibility, accessibility or product availability. A render may contain invented fittings or impossible connections. Samples, manufacturer drawings and competent inspection remain necessary where those features affect the decision.
13. Site conditions and regulated work No image-based assessment can establish concealed wiring, structural condition, water pressure, substrate integrity, underground services or compliance with local building approvals. Do not commence demolition, structural alteration, electrical work, gas work or other safety-sensitive work solely on an output. Urgent danger should be referred to the appropriate local emergency service and competent site professional. Reporting the output to Lighthouse does not dispatch an emergency response team or suspend the user's duty to protect people at the site.
14. Estimates supplied to another person If an output is shared with a client, contractor, lender, authority or purchasing team, preserve the relevant assumptions, limitations and revision information. Do not describe it as Lighthouse's signed professional advice or manufacturer's certification. A professional who adopts an output remains responsible for the professional judgment and approval they actually provide.
The recipient should be able to distinguish the original AI material from later edits. Changes to a drawing or specification after an estimate may invalidate quantities and prices; the earlier estimate must not be represented as having been recalculated automatically.
15. Errors, foreseeable reliance and remedies Stop using an output when a material inconsistency, unsafe instruction or wrong source is identified. Preserve the request identifier and a relevant copy and obtain a corrected assessment before further action. Notify Lighthouse through the reporting route so that related users or records can be assessed. These precautions do not remove Lighthouse's responsibility for its own misleading statements, negligent service where actionable, agreed paid deliverables or mandatory legal duties. A general warning cannot cure a known material error that Lighthouse continues to present as reliable. Available remedies depend on the actual service promised, the facts and applicable law.
16. Scope of acknowledgment An acknowledgment that an output is AI-assisted confirms receipt of the warning. It is not a release of unknown claims, permission for unrelated data use, acceptance of every future model provider or waiver of mandatory rights. A separate transaction still requires its own informed acceptance.