Apartment Service Charge Calculation: Build It From a Real Budget

Many apartment associations set the service charge once, at a number "that seemed right", and then run short every few months. Others raise it without showing why, and owners push back. A proper apartment service charge calculation starts from a real budget. It takes one evening with last year's bills and makes every later conversation easier.

Why start from a budget

When owners ask "why ৳4,500?", the best answer is a one-page budget that adds up to ৳4,500. A budget also shows the committee where money actually goes, which often reveals savings — an overpriced maintenance contract, or a fuel bill that doesn't match the generator's running hours.

Step 1: Collect last year's actual costs

Gather 12 months of receipts, vouchers and bank statements. Group every expense into a few clear heads:

• Staff: guards, cleaners, lift operator, caretaker, festival bonuses
• Utilities: common electricity, common water, generator fuel
• Maintenance contracts: lift, generator, pumps, CCTV
• Repairs and supplies: bulbs, cleaning materials, plumbing, small fixes
• Administration: stationery, bank charges, SMS, software
• Reserve fund contribution: for big future costs

If you are a new association without a full year of history, use quotes and the first few months' bills, and plan to review after six months.

Step 2: Adjust for the coming year

Last year is a guide, not a forecast. Ask:

1. Are any salaries going up?
2. Do any maintenance contracts renew at a new price?
3. Is any equipment ageing and likely to need more repairs?
4. Were there one-off costs last year that won't repeat?

Remove one-off items and add known changes.

Step 3: A worked apartment service charge calculation

Say an association of 32 flats prepares this yearly budget. The figures are an example only.

Monthly need: ৳22,44,000 ÷ 12 = ৳1,87,000.

Per flat, split equally: ৳1,87,000 ÷ 32 ≈ ৳5,844. Most associations round this to a clean figure, such as ৳5,850 or ৳5,900, and record the rounding.

If your building uses size-based or mixed charging, apply that formula to the same monthly total. The budget stays the same; only the division changes.

Step 4: Why the buffer matters

Even in well-run buildings, not every owner pays on time. If the budget assumes 100% collection, the association runs short in the very first month someone is late. A modest buffer keeps salaries paid on time while the treasurer follows up arrears. Unused buffer can roll into the reserve fund at year-end — say so openly.

Step 5: Present it to owners

Share the one-page budget before the general meeting, not on the day. Keep the explanation simple:

Dear owners, attached is the proposed budget for the coming year. Total expected cost is ৳22,44,000, including ৳3,00,000 for the reserve fund. This works out to ৳5,850 per flat per month. Please bring any questions to the general meeting on Friday. — Committee

Approve the new rate by resolution and record it in the minutes. Check your constitution or by-laws for how changes to the service charge must be approved.

Tip: Compare budget with actuals every quarter. If fuel is running well above plan, you can explain it early rather than face a surprise deficit at year-end.

Common mistakes to avoid

• Leaving out festival bonuses for staff, then scrambling before Eid
• Forgetting maintenance contracts that are paid once a year
• Mixing the reserve contribution into running costs
• Never revisiting the figure for several years, then needing a large jump

For cooperatives that manage deposits, DPS and loans, see Somity Keeper; for a small somiti or savings circle, the simpler Somity Keeper Lite app keeps the books on your phone.

How Society Keeper helps

Once the rate is approved, Society Keeper bills every flat automatically on the day you choose, with separate charge types for service charge and reserve fund if you want them visible. Expenses recorded as vouchers feed the monthly expense analysis and the income and expenditure report, so comparing budget with actuals takes minutes, and everything can be exported to Excel. See how it works in the free demo.