Kitchen first example
Fixed example: HDB 4-room resale, 90 square metres, 3 bedrooms, 2 bathrooms, building age not sure. Kitchen replaced; living room and both bathrooms refreshed; bedrooms, utility, floors and tiles kept; wiring and pipes not sure; no structural change. Selected works allowance S$26,500 to S$46,500 including modelled GST and reserve (as of 2026-10-12). Wiring and pipes stay outside it until inspected. Provisional timing: 8 to 14 weeks on site, 16 to 26 weeks overall; permit conditions govern.
The fixed choices
Illustrative assumptions, model dated 12 October 2026. These choices are fixed in this example; the interactive planner starts with the kitchen-first plan.
- Home
- HDB 4-room resale, 90 m², 3 bedrooms, 2 bathrooms
- living
- refresh
- kitchen
- replace
- bathroom 1
- refresh
- bathroom 2
- refresh
- bedroom 1
- keep
- bedroom 2
- keep
- bedroom 3
- keep
- utility
- keep
- Floors outside the bathrooms
- keep
- bathroom 1 finishes
- keep
- bathroom 2 finishes
- keep
- Whole-home electrical
- Not sure
- Whole-home plumbing
- Not sure
- Building age
- Not sure
- Structural intention
- no
Selected works allowance
S$26,500–46,500
Includes modelled 9% GST and a 10 to 15% reserve. Not a whole-project total or a quotation.
- Design, coordination and protection
- S$4,000–6,000
- living
- S$2,500–4,500
- kitchen
- S$12,000–19,000
- kitchen fixtures
- S$600–1,200
- bathroom 1
- S$1,000–1,500
- bathroom 1 fixtures
- S$200–500
- bathroom 2
- S$1,000–1,500
- bathroom 2 fixtures
- S$200–500
- Haulage and disposal
- S$1,000–2,000
- Before GST and reserve
- S$22,500–36,700
- GST on selected work
- S$2,025–3,303
- Reserve including GST
- S$2,453–6,000
Outside this amount
- Whole-home electricalUnresolved or conditional; not included
- S$5,995–11,282
- Whole-home plumbingUnresolved or conditional; not included
- S$2,398–5,014
Structural changes, concealed defects, appliances, air-conditioning, windows, loose furniture, accommodation and refundable management deposits remain unpriced. Inspection, approvals and an itemised written scope come next.
Order and timing
Provisional site work 8 to 14 weeks; whole journey 16 to 26 weeks. Actual scope and permit conditions govern. Approved work in an existing HDB block must fit its one-calendar-month permit window.