Calculators

Practical calculators for property professionals

Use InventoryBase calculators to estimate ROI, support fair wear and tear conversations, model pet tenancy considerations and make clearer decisions across residential property workflows.

Built for inventory providers, letting agents, property managers and residential property teams who want practical tools backed by real inspection and reporting workflows.

Explore Calculators Calculate ROI View Templates
ROI Calculator
Indicative estimate
Reports / month120
Hours per report1.5
Hourly cost£18
Estimated annual saving
£19,440
~90 hrs/month saved · est. 38% ROI
Fair wear & tear
remaining-life model
Pet tenancy model
ROI Calculator

Estimate the value of better inspection workflows

Model the potential time, cost and operational savings of using InventoryBase for inspections, report writing, scheduling, delivery and workflow management.

Your inputs
£
Mobile capture+ Templates+ BaseAI
£
Indicative result
Estimated annual saving £10,368
Hours saved / month 72 hrs
Hours saved / year 864 hrs
Monthly cost saving £864
Net annual benefit £9,288
Estimated ROI 860%
Payback period < 1 month
Extra report capacity ~48 / mo

Estimated and indicative only, based on your inputs. Actual results may vary. This does not guarantee savings or ROI.

Fair Wear & Tear

Support fairer wear and tear conversations

Model factors that may influence end-of-tenancy condition discussions — item age, expected lifespan, quality, use, tenancy length and observed condition.

Your inputs
£
Indicative result
Possible tenant contribution
Indicative tenant contribution context — not a deduction.
Indicative contribution range £74–£112
Item age at check-out 6 yrs
Remaining useful life 2.0 yrs
Remaining life25%
Evidence checklist
Check-in condition + photos
Check-out condition + photos
Item age / receipts
Cleaning vs damage notes

This tool provides an indicative calculation to support review and discussion. It does not determine liability, deposit deductions or fair wear and tear decisions.

Pet Tenancy

Model pet tenancy considerations

Structure conversations around pets in rental properties by considering property type, pet type, tenancy context, cleaning, wear, insurance and management requirements.

Your inputs
Indicative result
Moderate — add conditions
Indicative management consideration — not an approval or rejection.
Suggested inspection frequency
Midterm every 4 months
Suggested considerations
Record agreed pet conditions in the tenancy
Check lease / building & insurance restrictions
Schedule additional midterm inspections
Document professional cleaning expectations
Capture detailed check-in evidence (photos)
Note flooring condition at check-in

This tool helps structure pet tenancy considerations. It does not make the final decision, provide legal advice or override landlord, lease, insurance or statutory requirements.

Browse by topic

Browse calculators by topic

Find tools for the decisions and workflows your team manages.

Business and ROI

Tools to estimate operational value, time savings and reporting capacity.

ROI Calculator
Report Capacity CalculatorSoon
Clerk Cost CalculatorSoon

Deposits and End of Tenancy

Tools to support check-outs, deposit evidence and fairer end-of-tenancy decisions.

Fair Wear and Tear Calculator
Deposit Evidence ChecklistSoon
Cleaning Contribution CalculatorSoon

Pets and Tenancy Changes

Tools to support pet tenancy conversations and new letting requirements.

Pet Tenancy Calculator
Pet Cleaning ToolSoon
Tenancy Condition ChecklistSoon

Maintenance and Repairs

Tools for repair costs, job card context, post-works evidence and planning.

Repair Priority Calculator
Post-Works ChecklistSoon
Schedule of Rates HelperSoon

Compliance and Housing Condition

Tools to support compliance-aware workflows, evidence checklists and planning.

HHSRS Evidence Checklist
Damp & Mould Triage ToolSoon
Void Readiness ChecklistSoon
By role

Find calculators for your role

Jump into tools tailored to the decisions your team makes most often.

Inventory Providers

Estimate ROI, report capacity, pricing and service expansion.

ROI Fair Wear & Tear

Letting Agents

Support deposit conversations, pet requests and tenancy changes.

Fair Wear & Tear Pet Tenancy

Property Managers

Model maintenance priorities, inspection savings and end-of-tenancy decisions.

ROI Fair Wear & Tear

Housing Providers

Support void readiness, repairs evidence and inspection planning.

ROI Void Readiness

Compliance Managers

Use evidence checklists and compliance-focused tools to structure reviews.

HHSRS Checklist Damp Triage

BTR / PBSA Operators

Estimate high-volume inspection savings and changeover efficiency.

ROI Pet Tenancy
Methodology & trust

Transparent, practical calculations

InventoryBase calculators support better decision-making, not replace professional judgement. Results are based on the information you enter and should be reviewed alongside your policies, evidence and expert advice.

Clear Inputs

Each calculator shows the assumptions used.

Indicative Outputs

Results are estimates, ranges or summaries rather than final decisions.

Practical Methodology

Calculators are based on common residential property workflows.

Review-Led

Outputs should be reviewed by responsible people before decisions are made.

Connected Resources

Each calculator links to guides, templates and product workflows.

Calculator results are indicative only and do not constitute legal, financial, professional or compliance advice. Always review outputs against your own circumstances, policies and professional guidance.

Roadmap

More tools coming soon

InventoryBase calculators will continue expanding to support property reporting, compliance, repairs and operational workflows.

Report Capacity Calculator Soon
Clerk Cost Calculator Soon
Deposit Evidence Checklist Soon
Cleaning Contribution Calculator Soon
Void Readiness Calculator Soon
Damp & Mould Triage Tool Soon
HHSRS Evidence Checklist Soon
Schedule of Rates Helper Soon
Post-Works Verification Checklist Soon

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