Cost of HDB Renovation (2026 Guide)
Real 3-room, 4-room, and 5-room BTO vs resale pricing benchmarks, unit rates per foot run, and budget rules.
Verified Singapore Renovation Contractors & Interior Designers
RenoTrust SG is Singapore's dedicated consumer audit platform for home renovations. Every listed firm is verified against official statutory registries:
Swiss Interior Design
★ 4.9/5 • CaseTrust Escrow • 100% Deposit Bond
CaseTrust-accredited ID firm with strict progressive milestone billing, zero front-loaded deposits, and Japandi/Scandinavian specialties.
Ciseern by Designer Furnishings
★ 4.9/5 • Established 1997 • Lifetime Warranty
25+ years veteran Singapore interior firm offering lifetime workmanship warranty and CaseTrust deposit escrow.
Earth Interior Design
★ 4.9/5 • 12-Month DLP • Modern Luxury
Known for bulletproof contractual agreements, liquidated damages clauses, and strict defect liability enforcement.
Eight Design Pte Ltd
★ 4.9/5 • HDB DRC Licensed • Deposit Bond
CaseTrust & HDB DRC registered contractor providing 100% deposit performance bonds for HDB BTO and resale flat overhauls.
Classic Carpentry & Construction
★ 4.9/5 • Direct Workshop Pricing ($)
In-house carpentry workshop in Sungei Kadut offering direct factory pricing without interior designer markups.
Design 4 Space
★ 4.8/5 • HDB Resale & Masonry Experts
Specialists in complex resale HDB overhauls, tile hacking, bathroom waterproofing, and wall demolition.
Essential Singapore Renovation Guides & Cost Benchmarks
HDB 4-Room Renovation Budget Guide (2026)
Itemized BTO & resale breakdowns from $35k to $68k, room-by-room masonry, carpentry & electrical allocations.
HDB Wall Hacking Approval Rules (2026)
How to identify load-bearing RC walls on your floor plan, My HDBPage permit approvals, and PE endorsement rules.
Can I Use CPF for Home Renovation in Singapore?
Official CPF Board rules, bank renovation loans vs personal loans, and legal ways to fund your renovation.
Kitchen Carpentry Cost Per Foot Run (pfr)
Solid plywood vs MDF pricing, quartz vs sintered stone countertops, and Blum soft-close drawer upgrades.
HDB Electrical Rewiring & 3-Phase Upgrades
Cost per point, SP Group 3-phase connection fees, licensed LEW sign-offs, and smart home neutral wiring.
The Variation Order (VO) Renovation Trap
How low-ball contractors balloon invoices by 40% mid-project, and how to enforce CaseTrust fixed contracts.
HDB 3-Year Bathroom Waterproofing Rule
Why hacking is banned for 3 years in BTOs, tile overlaying costs, and 50/50 Goodwill repair leak claims.
HDB Aircon BTU Sizing & Isolator Guide
System 2, 3, 4 BTU calculations, 16A vs 20A isolators, Armaflex insulation thickness, and sweating fixes.
Condominium MCST Renovation By-Laws
Security deposit refunds ($1,000-$5,000), weekend work bans, lift padding, and URA balcony grille rules.