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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.
m²
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
LiveAnnual 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
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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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