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Facilities Maintenance Budget Estimator

Get an industry-benchmarked annual maintenance budget for your building — broken down by HVAC, electrical, plumbing, and general fabric. Instantly, in the browser.

Building details

Base rate: £32/m²/year (before age adjustment)
Gross internal area of the building.
Older buildings require higher spend.
yrs
Optional — leave blank to skip comparison.
£
Benchmarks based on CIBSE, RICS, and BIFM industry data. All figures in GBP.

Recommended budget

Live
Annual budget
£80,000
£32/m²/year · Commercial office
HVAC & ventilation£28,000
35% of budget
Electrical systems£16,000
20% of budget
Plumbing & drainage£12,000
15% of budget
General & fabric£24,000
30% of budget

Where these benchmarks come from

Figures derived from CIBSE Guide M, RICS building maintenance standards, and BIFM benchmark surveys. UK market rates as of 2025. Age multipliers reflect real-world cost escalation for aging M&E systems.

Age < 5 years
×0.75 (25% discount)
Newer systems, warranties still active
Age 5–15 years
×1.0 (baseline)
Prime maintenance period
Age 15–30 yrs
×1.2 (+20%)
Aging systems, more reactive maintenance
Age > 30 years
×1.45 (+45%)
Significant lifecycle replacement risk

Turn your budget into a maintenance plan.

AssetOS tracks every work order, contractor invoice, and PPM task — so your actual spend matches your budget, month by month.

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