| Improvement | Tier | Cost | Build time | Effect |
|---|---|---|---|---|
| Sign 1 | 1 | 300 | 4h | +10 Appeal |
| Sign 2 | 2 | 600 | 6h | +10 Appeal |
| Reinforced Defenses 1 | 1 | 250 | 4h | +6 Security |
| Cheaper Repairs 1 | 1 | 300 | 4h | Lowers repair costs by 10% |
| Reinforced Defenses 2 | 2 | 500 | 6h | +4 Security |
| Cheaper Repairs 2 | 2 | 600 | 6h | Lowers repair costs by 20% |
| Reinforced Defenses 3 | 3 | 800 | 10h | +3 Security |
| Sturdiness | Not recorded | 1,200 | 12h | +20% Maximum integrity |
| Garden Beds 1 | 1 | 400 | 4h | When looking for ingredients: +25% Mandragora |
| Garden Beds 2 | 2 | 600 | 6h | When looking for ingredients: +25% Deadly Nightshade |
| Lucky Yield | Not recorded | 800 | 10h | When looking for ingredients: 5% chance to double the yield |
| Quick Harvest | Not recorded | 800 | 10h | When looking for ingredients: 20% faster gathering |
| Hands-On Learning | Not recorded | 800 | 10h | +1 handicraft for every 15 trips |
| Shelves | 1 | 300 | 4h | Adds one storeroom slot |
| More Shelves | 2 | 500 | 4h | Adds one storeroom slot |
| Shelves, Again | 3 | 700 | 6h | Adds one storeroom slot |
| Extra Shelves | 4 | 850 | 6h | Adds one storeroom slot |
| Shelves Everywhere | 5 | 1,000 | 8h | Adds one storeroom slot |
| Every Wall a Shelf | 6 | 1,200 | 10h | Adds one storeroom slot |
| Safety Measures 1 | 1 | 300 | 4h | +5 Accident protection |
| Proper Tools 1 | 1 | 500 | 6h | +5 Productivity bonus |
| Safety Measures 2 | 2 | 600 | 8h | +5 Accident protection |
| Proper Tools 2 | 2 | 1,000 | 10h | +5 Productivity bonus |
| Safety Measures 3 | 3 | 1,000 | 10h | +5 Accident protection |
| Proper Tools 3 | 3 | 1,500 | 12h | +5 Productivity bonus |
| Wash Station 1 | 1 | 500 | 6h | +10 Hygiene |
| Wash Station 2 | 2 | 800 | 8h | +10 Hygiene |
| Fresh Stock 1 | 1 | 600 | 8h | When looking for ingredients: +25% Spider's Legs |
| Fresh Stock 2 | 2 | 800 | 10h | When looking for ingredients: +25% Bat's Blood |
| Fresh Stock 3 | 3 | 1,000 | 12h | When looking for ingredients: +25% Toad's Eyes |
| Sales Counter 1 | 1 | 300 | 4h | Adds one storefront slot |
| Sales Counter 2 | 2 | 600 | 6h | Adds one storefront slot |
| Workforce 1 | 1 | 600 | 5h | Lets you hire one more worker |
| Workforce 2 | 2 | 1,200 | 10h | Lets you hire one more worker |
| Pest Control | 1 | 600 | 6h | Unlocks the service to pest control |
| New Craft | 2 | 1,200 | 10h | Unlocks the Plague Repellent recipe |
| Worker Amenities 1 | 1 | 600 | 6h | Every turn: +3 workers' opinion of you |
| Worker Amenities 2 | 2 | 1,200 | 9h | Every turn: +3 workers' opinion of you |
Use this record for a decision
Alchemist's Lab belongs to Handicraft, Lootable. Choose the improvement that changes the actual constraint; an extra sales slot does not substitute for ingredient storage. Compare its prerequisites with your current profession or civic role and use the live construction or repair quote.
Related patch context
Burglary frequency after 0.4.5 ↗
Burglary rates were rebalanced. The notes do not provide a universal safe threshold or guarantee that a security improvement prevents every burglary.
Connected records
Alchemist ↗
Alchemist connects Alchemist's Lab with its profession license and building rank ladder. Choose it by the business requirements and inputs you can support; the secondary rank and wage values remain reference data.
improvements · currentSign ↗
Building improvement · Available in: Alchemist's Lab, Smithy, Joiner's Workshop, Inn, Perfumery, Masonry, Tailor's Workshop · Documented effects: +10 Appeal
improvements · currentReinforced Defenses ↗
Building improvement · Available in: Alchemist's Lab, Smithy, House, Joiner's Workshop, Inn, Perfumery, Church, Robber Baron's Fortress, Masonry, Tailor's Workshop, Villa · Documented effects: +6 Security; +4 Security; +3 Security; +8 Security; +7 Security