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RICS Home Survey Standard 2023 · Level 3

RICS Level 3 Building Survey reports for older, larger or non-standard properties

The deepest RICS residential survey. Per-element probable cause analysis, dedicated Energy Matters section, R-flag for documents to request — drafted from your on-site notes in minutes.

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Our approach to Level 3

The Building Survey-grade RICS Home Survey — for older, listed, non-standard, or extended properties where buyers (and their solicitors) need causation, not just description. Per-element description / defects / probable cause / recommendations, dedicated Energy Matters analysis (J1–J5), means-of-escape, listed-building flag, a section-aware image manager, and smart fields that block export until every CR3 has an urgency reason.

Section J

Energy Matters — J1 to J5

Dedicated 5-part energy analysis: insulation, heating, lighting, ventilation, general. Surfaces what the EPC misses — fabric performance, ventilation strategy, retrofit suitability.

Photo manager

Section-aware image manager

Bulk-import from your camera roll. Drag photos to the right element, annotate with arrows and labels, mark for inline or appendix. No more renaming files or dragging into Word folders — saves hours per report.

Per-element

Probable cause field

L3 splits each defect into description, defects, probable cause, and recommendations. The cause analysis is what buyers and solicitors need to make repair decisions. L1 and L2 stop at "what's wrong" — L3 asks "why".

AI · RICS 2026-aligned

From short notes to a Building Survey-grade draft — in minutes, not hours

Type rough on-site notes. AI drafts the formal description, defects, probable cause, and recommendations per element, sets the R-flag for documents to request, and drafts the Energy Matters narrative (J1–J5).

Strict-literal mode: AI never invents materials, measurements, or causes you didn't observe. The named surveyor sets every CR rating, reviews the draft, signs off, and takes professional responsibility — that line never moves.

Read our full AI compliance position

What's in the report

Sections A–M of the RICS Home Survey Standard 2023, plus auto-rendered house diagram.

  1. AAbout the inspectionSurveyor, RICS number, client, date, weather, related party disclosure, UPRN, property reference.
  2. BOverall opinionOverall narrative, documents received and to request, repairs cost guidance, further investigations.
  3. CAbout the propertyConstruction, year built/extended, accommodation, means of escape, EPC rating, mains services, listed-building flag.
  4. DOutside the property9 elements: chimneys, roof, gutters, walls, windows, doors, conservatory, joinery, other. CR per element with description, defects, probable cause, recommendations.
  5. EInside the property9 elements: roof structure, ceilings, walls, floors, fireplaces, fittings, woodwork, bathrooms, other.
  6. FServices7 elements with safety warnings: electricity, gas/oil, water, heating, water heating, drainage, common services.
  7. GGrounds8 elements: garage, outbuildings, trees, boundaries, retaining walls, driveways, other features, common areas.
  1. HIssues for legal advisersRegulation, guarantees, boundary issues, rights of way, statutory/planning matters.
  2. IRisksBuilding risks, ground risks, people risks (subsidence, flooding, structural movement, asbestos, radon, fire safety).
  3. JEnergy mattersJ1 Insulation, J2 Heating, J3 Lighting, J4 Ventilation, J5 General — dedicated to L3 only.
  4. KSurveyor's declarationSigned declaration, qualifications, RICS-aligned AI disclosure (text/photo/research/confirmation).
  5. LFurther investigations & quotesSpecialist investigations recommended, advice on obtaining quotations.
  6. MService description & termsStandard L3 service terms boilerplate.

Level 3 FAQs

When is a Level 3 building survey appropriate?
For older properties (pre-1900), listed buildings, properties built with non-standard materials (timber frame, steel frame, concrete), properties showing visible defects, properties with extensions or major alterations, and where the buyer wants the deepest possible inspection. For typical 1930s+ residential properties without obvious concerns, Level 2 is usually proportionate.
How is Level 3 different from Level 2?
L3 is more thorough, takes longer on site, produces a longer report, and includes (a) per-element probable cause analysis, (b) a dedicated Energy Matters section (J1–J5), (c) means-of-escape capture, and (d) listed-building support. L2 is a HomeBuyer-grade overview; L3 is a Building Survey grade investigation.
Does the Level 3 template support CR1/CR2/CR3 condition ratings?
Yes. Every element has a CR1/CR2/CR3/NI rating, and the Summary section auto-generates the condition rating table. CR3 elements require an "urgency reason" field before export — a hard validation gate.
Can I include valuations in a Level 3 report?
No — L3 is an inspection, not a Red Book valuation. For valuation alongside inspection, use the Level 2 + Valuation template, which adds Red Book compliance fields. L3 + valuation is uncommon in practice; most L3 instructions are inspection-only.
How does AI help with Level 3 reports?
The AI drafts the formal description, defects, probable cause, and recommendations from your short on-site notes. Strict-literal mode means it never invents materials, measurements or causes. Every AI-assisted L3 report carries the RICS 2026 AI disclosure block in Section K.
Is the AI aligned with the RICS 2026 AI Standard?
Yes. SurveyorSuite is designed around the RICS Professional Standard Responsible use of artificial intelligence in surveying practice (in force from 9 March 2026). Every AI-assisted Level 3 report carries an AI disclosure block in Section K (text generation / photo analysis / research) with a confirmation field the named surveyor signs before export. Every AI generation is timestamped in the audit trail. The named surveyor remains the accountable professional under s.4.2. See our full AI position.
What happens to my notes? Are they used to train AI models?
No. Your notes are sent to Anthropic's commercial API for drafting. Anthropic explicitly commits in their Commercial Terms that customer inputs and outputs are not used to train their models. They retain API content for up to 30 days under their standard Trust & Safety policy, then delete it. SurveyorSuite never shares content with any third party for marketing or model training.

One subscription. 14 report types.

£35/month or £30/month annually. All templates, unlimited reports, web + iOS + Android.

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Last reviewed: · Updated as RICS guidance changes.