Mahogany Tables: ~150M. Oak Larders: ~65M. MH Expert: ~42M. Mixing methods saves GP.
Total = (XP remaining / XP per build) x planks per build x plank price + butler fees.
Stop at level 83-84 for max POH utility. The last 16 levels cost more than the first 83.
👆 Enter your values above and click Calculate to get your personalized results.
Find out exactly how much GP you need to train Construction in Old School RuneScape. This calculator factors in plank prices, butler fees, training method, and XP bonuses to give you a complete cost breakdown from your current level to your target. or head back to the main construction calculator OSRS for a full 1-99 breakdown.
Mahogany Homes is 70%+ cheaper than traditional Mahogany methods, at the cost of slower XP rates.
This Construction Cost Calculator helps you estimate the total GP cost of training Construction in Old School RuneScape. It calculates required materials, planks needed, servant fees, GP per XP, and total experience — comparing multiple training methods so you can choose the best strategy for your budget.
See the full GP cost including plank prices and butler fees for any level range.
Know exactly how many planks, nails, and other materials you'll need before you start.
Compare the cost efficiency of different training methods with the GP per XP metric.
| Level Range | XP Required | Oak Larders Cost | Mahogany Tables Cost | MH Expert Cost | % of Total XP |
|---|---|---|---|---|---|
| 1–33 | 13,363 | ~176K GP | — | ~43K GP | 0.1% |
| 33–52 | 123,231 | ~1.2M GP | — | ~394K GP | 0.9% |
| 52–74 | 1,096,820 | ~10.7M GP | ~15.4M GP | ~3.5M GP | 8.4% |
| 74–83 | 1,623,248 | ~15.9M GP | ~22.7M GP | ~5.2M GP | 12.5% |
| 83–90 | 3,360,264 | ~32.9M GP | ~47.0M GP | ~10.8M GP | 25.8% |
| 90–99 | 7,688,099 | ~75.3M GP | ~107.6M GP | ~24.6M GP | 59.0% |
| 1–99 Total | 13,034,431 | ~65M GP | ~155M GP | ~42M GP | 100% |
Type your current Construction level in the first field. Valid values are 1 through 98.
Enter your desired target level, from 2 to 99. Popular targets are 83 (max POH) and 99 (skillcape).
Choose from 17 training methods including traditional POH furniture and Mahogany Homes contracts.
Update the Grand Exchange plank prices to get the most accurate cost estimates. Prices are pre-filled with averages.
Select a butler to include servant fees in your total cost. The Demon Butler is the most efficient option.
Click the Calculate button to see a complete cost breakdown including planks, butler fees, and total GP required.
Lower GP/XP means cheaper training. Mahogany Homes Expert offers the best GP/XP ratio at 3.2 GP/XP.
Level 1+. 58 XP per build, 2 Regular Planks. The starting method — cheap but very slow at ~18K XP/hour.
Level 33+. 480 XP per build, 8 Oak Planks. The most popular mid-level method at ~180K XP/hour with ~9.8 GP/XP.
Level 74+. 600 XP per build, 10 Oak Planks. Better GP/XP than Oak Larders at ~5.9 GP/XP and ~200K XP/hour.
Level 52+. 840 XP per build, 6 Mahogany Planks. The fastest traditional method at ~900K XP/hour but expensive at ~14 GP/XP.
Level 77+. 840 XP per build, 6 Mahogany Planks. The fastest method overall at ~950K XP/hour.
Level 47+. 370 XP per build, 3 Teak Planks. Good mid-range option with reasonable GP/XP.
Contracts from level 1 to 70+. The cheapest Construction training method, with Expert contracts offering ~3.2 GP/XP at ~280K XP/hour.
| Servant | Level Req | Planks/Trip | Cost/Trip | Trip Time | Cost for 99 | Rating |
|---|---|---|---|---|---|---|
| Rick | — | 6 | 500 GP | 12s | ~18M GP | Slow |
| Maid | — | 10 | 600 GP | 10s | ~13M GP | Moderate |
| Cook | — | 16 | 1,000 GP | 8s | ~14M GP | Moderate |
| Butler | 40 | 20 | 1,250 GP | 6s | ~14M GP | Good |
| Demon Butler | 50 | 26 | 1,563 GP | 4s | ~13M GP | Best |
Plank costs make up ~83% of total spending. Butler fees add ~17% but save significant training time.
Mahogany Homes Expert contracts at ~3.2 GP/XP. Total cost 1→99 is approximately 42M GP.
Gnome Benches at ~14.1 GP/XP and 950K XP/hour. Total cost 1→99 is approximately 155M GP.
Oak Dungeon Doors at ~5.9 GP/XP offer the best balance of speed (200K XP/hr) and cost efficiency.
Beyond planks and butler fees, factor in house tabs (~340 GP each for teleporting), Ring of Dueling charges for banking, and potential GP lost from interrupted money-making activities. These hidden costs add roughly 2-5% to your total training expense.
Expert contracts offer the lowest GP/XP ratio at ~3.2 GP/XP, saving you 60-70% compared to Mahogany Tables.
Always compare the GP/XP of different methods before committing. Use our GP per XP Calculator for detailed comparisons.
The Demon Butler carries the most planks per trip, minimizing downtime and maximizing XP per hour.
Start with cheap Oak methods, switch to faster Mahogany methods at higher levels only if you have the budget.