# Renovation Contractors in Geylang

HDB flat owners must use contractors listed in HDB's Directory of Renovation Contractors (DRC), and works like hacking walls or replacing floors need an HDB permit. Qanvast's 2025 data puts a typical 4-room renovation at about $51,000–$62,000 for a BTO and $64,000–$80,000 for a resale flat.

## Key facts
- Listings: 39
- Matched to a government licence/register: 19
- Median years in business: 15

## Prices in Singapore
Expected 2025 HDB renovation costs from Qanvast, based on 259 BTO and 302 resale projects. Resale flats cost more because of hacking, rewiring and replumbing. Hidden works can push costs up significantly.

| Service | Typical price | Notes |
|---|---|---|
| 3-room BTO | S$36,100–S$43,700 per flat | Fewer than 30 data points; indicative |
| 4-room BTO | S$51,000–S$61,800 per flat |  |
| 5-room BTO | S$67,000–S$82,400 per flat |  |
| 3-room resale | S$51,000–S$61,800 per flat | Full reconfiguration can cost much more |
| 4-room resale | S$64,300–S$80,300 per flat |  |
| 5-room resale | S$84,300–S$97,000 per flat |  |
| Hacking and disposal of floor tiles | S$3–S$8 per sq ft | Requires an HDB permit; screeding extra |

## Licences
- **Directory of Renovation Contractors (DRC)** (Housing & Development Board (HDB), required): Under the Housing & Development (Renovation Control) Rules, HDB flat owners must only engage contractors listed in the DRC for renovation works. DRC contractors apply for HDB permits on your behalf and can be given demerit points or debarred for breaches. Check: https://www.hdb.gov.sg/managing-my-home/renovation-and-maintenance/renovation/important-information-on-renovations
- **CaseTrust accreditation for renovation businesses** (Consumers Association of Singapore (CASE), optional): Voluntary. Accredited firms cap the initial deposit at 20% of contract value, buy a deposit performance bond, use the CaseTrust Standard Renovation Contract and give at least a 12-month workmanship warranty. A joint CaseTrust–RCMA scheme exists for RCMA members. Check: https://casetrust.case.org.sg/Home/casetrustlist
- **BCA Approved Window Contractor** (Building and Construction Authority (BCA), required): Window installation or replacement must be done by a BCA-approved window contractor (registered under workhead RW01) using trained window installers. For HDB flats the firm must also be listed with HDB. Check: https://www1.bca.gov.sg/public/private-property-ownership/approved-window-contractors

## How to choose
- Verify the contractor is in HDB's Directory of Renovation Contractors before signing, and confirm they will apply for any permit needed (hacking, flooring, windows, piping changes).
- Get at least three itemised quotations based on the same scope and drawings, with quantities (sq ft, foot run) and brands, so you can compare like for like.
- Prefer a CaseTrust-accredited firm if you want deposit protection: the initial deposit is capped at 20% and protected by a performance bond.
- Tie progress payments to completed milestones, not dates, and hold back a final payment until defects are rectified.
- Ask to see a completed project of similar age and flat type, especially for resale flats where rewiring and replumbing are common.

## Red flags
- Asking for more than 20–30% upfront, or full payment for carpentry before it is installed.
- Offering to hack walls or change floors without an HDB permit to save time.
- Lump-sum quotes without quantities, brands or specifications.
- Contractors who are not in the DRC but offer to 'use a friend's licence'.
- Pressure to sign on the spot with a limited-time discount.

## Listings (top 30)
- [Nic & Wes Builders](https://lookup.sg/biz/nic-and-wes-builders), Geylang · 53 Ubi Ave 1, #05-52 Paya Ubi Industrial Park · 7 min walk from Ubi MRT · BCA registered · registered 2002
- [Puretech Engineering](https://lookup.sg/biz/puretech-engineering), Geylang · 81 Ubi Ave 4, #11-06 UB One · 5 min walk from Tai Seng MRT · BCA registered · registered 2001
- [Multi Wall Engineering](https://lookup.sg/biz/multi-wall-engineering), Geylang · 1046 Eunos Ave 5, #01-141 Eunos Industrial Estate · 6 min walk from Cc9 MRT · BCA registered · registered 2004
- [Welltech Construction](https://lookup.sg/biz/welltech-construction), Geylang · 61 Ubi Ave 1, #05-16 UB Point · 5 min walk from Macpherson MRT · BCA registered · registered 1987
- [Consis Engineering](https://lookup.sg/biz/consis-engineering), Geylang · 72 Eunos Ave 7 · 8 min walk from Eunos MRT · BCA registered · registered 2006
- [Siong Construction & Engineering](https://lookup.sg/biz/siong-construction-and-engineering), Geylang · Oxley Bizhub, 69 Ubi Rd 1 · 5 min walk from Tai Seng MRT · BCA registered · registered 2015
- [Majestic Construction Engrg](https://lookup.sg/biz/majestic-construction-engrg), Geylang · 3 Lor Bakar Batu, #02-04 · 6 min walk from Potong Pasir MRT · BCA registered · registered 2014
- [As-Is Builders](https://lookup.sg/biz/as-is-builders), Geylang · 33 Ubi Ave 3 · 8 min walk from Ubi MRT · BCA registered · registered 2018
- [Stonex Stone Specialist Pte Ltd](https://lookup.sg/biz/stonex-stone-specialist-pte-ltd), Geylang · 10 Ubi Crescent #04-53 Lobby, Ubi techpark, #408564 C · 6 min walk from Ubi MRT · registered 2010
- [Eight Design](https://lookup.sg/biz/eight-design), Geylang · 140 Paya Lebar Rd #01-04 AZ@Paya Lebar · 2 min walk from Aljunied MRT
- [Guthrie Engineering](https://lookup.sg/biz/guthrie-engineering), Geylang · 6 Aljunied Ave 3, #04 00 · 4 min walk from Paya Lebar MRT
- [Pool Experts Singapore](https://lookup.sg/biz/pool-experts-singapore), Geylang · 10 Ubi Cres, Ubi Techpark · 6 min walk from Ubi MRT
- [Hong Hwa Engineering Construction](https://lookup.sg/biz/hong-hwa-engineering-construction), Geylang · 1014 Geylang East Ave 3, #01-174 · 2 min walk from Paya Lebar MRT · BCA registered · registered 1999
- [Clf Shutters Asia](https://lookup.sg/biz/clf-shutters-asia), Geylang · 138 Genting Lane · 9 min walk from Mattar MRT · BCA registered · registered 1973
- [Furntex Design and Contracts](https://lookup.sg/biz/furntex-design-and-contracts), Geylang · 3029A Ubi Rd 3, #01-101 · 2 min walk from Ubi MRT · BCA registered · registered 1996
- [Max Interior Pte Ltd](https://lookup.sg/biz/max-interior-pte-ltd), Geylang · 1011 Eunos Ave 6 · 5 min walk from Eunos MRT · BCA registered · registered 2001
- [Alpha Formation Pte. Ltd.](https://lookup.sg/biz/alpha-formation-pte-ltd), Geylang · 59 Ubi Ave 1, #04-11 Bizlink Centre · 6 min walk from Macpherson MRT · BCA registered · registered 2011
- [ILA Group Pte Ltd](https://lookup.sg/biz/ila-group-pte-ltd), Geylang · 1081 Eunos Ave 7, #01-150 · 7 min walk from Cc9 MRT · BCA registered · registered 2011
- [Green Zenergy Pte Ltd](https://lookup.sg/biz/green-zenergy-pte-ltd), Geylang · 24 Ubi Rd 4, #04-02 · 2 min walk from Ubi MRT · BCA registered · registered 2014
- [E-Best Idea](https://lookup.sg/biz/e-best-idea), Geylang · 637 Geylang Rd · 7 min walk from Paya Lebar MRT · BCA registered · registered 2016
- [CG Facilities & Engineering Pte Ltd](https://lookup.sg/biz/cg-facilities-and-engineering-pte-ltd), Geylang · 71 Ubi Rd 1, #07-34 Oxley Bizhub · 4 min walk from Tai Seng MRT · BCA registered · registered 2017
- [SM Construction & Engineering Pte. Ltd.](https://lookup.sg/biz/sm-construction-and-engineering-pte-ltd), Geylang · 9 Lor 13 Geylang, #01-01 · 8 min walk from Aljunied MRT · BCA registered · registered 2021
- [Well & Able International Pte Ltd](https://lookup.sg/biz/well-and-able-international-pte-ltd), Geylang · Chevalier House, 23 Genting Rd · 9 min walk from Potong Pasir MRT · registered 1988
- [Alliance Automation](https://lookup.sg/biz/alliance-automation), Geylang · 3024 Ubi Rd 3 · 2 min walk from Ubi MRT · registered 1997
- [Sevens Atelier Limited](https://lookup.sg/biz/sevens-atelier-limited), Joo Chiat · 31 Joo Chiat Pl · 9 min walk from Eunos MRT · registered 1979
- [Axis Engineering & Construction Pte Ltd](https://lookup.sg/biz/axis-engineering-and-construction-pte-ltd), Geylang · 17a Tannery Rd, #02-03 · 9 min walk from Mattar MRT · BCA registered · registered 2021
- [Stoneworks Projects](https://lookup.sg/biz/stoneworks-projects), Geylang · 62 Ubi Rd 1, #01-38 Oxley Bizhub 2 · 6 min walk from Tai Seng MRT · registered 2013
- [SD Constructor Pte Ltd](https://lookup.sg/biz/sd-constructor-pte-ltd), Geylang · Tong Lee Building, 35 Kallang Pudding Rd · 7 min walk from Mattar MRT · registered 2015
- [Classic Bathroom Studio](https://lookup.sg/biz/classic-bathroom-studio), Geylang · 65 Ubi Rd 1, #01-75 OXLEY BIZHUB · 4 min walk from Tai Seng MRT · registered 2022
- [Novastra Renovations Pte. Ltd](https://lookup.sg/biz/novastra-renovations-pte-ltd), Geylang · Primz Bizhub, 21 Woodlands Close #06-39 Singapore · 7 min walk from Ubi MRT · registered 2021

## FAQs
### How much does it cost to renovate an HDB flat in 2025–2026?
Qanvast's 2025 figures put a 3-room BTO at about $36,100–$43,700, a 4-room BTO at $51,000–$61,800 and a 5-room BTO at $67,000–$82,400. Resale flats cost more: about $64,300–$80,300 for a 4-room and $84,300–$97,000 for a 5-room, because of hacking, rewiring and replumbing. Budget a contingency for hidden works.

### Do I need a permit to renovate my HDB flat?
Some works need HDB approval and others do not. Hacking or removing walls, replacing or raising floor finishes, window replacement and changes to sanitary piping all need approval, which your DRC contractor applies for. Simple works such as painting, carpentry and installing lights or fans generally do not. Check HDB's renovation guidelines for your specific works.

### What is HDB's Directory of Renovation Contractors?
It is HDB's list of contractors allowed to carry out renovation works in HDB flats. Under the Housing & Development (Renovation Control) Rules, flat owners must only engage DRC-listed contractors. HDB can fine errant contractors, give demerit points and debar those who exceed the threshold, and unauthorised works must be reinstated at the owner's and contractor's cost.

### Can I change my BTO toilet tiles immediately?
Owners of new BTO flats are generally required to wait three years before removing wall or floor finishes in toilets, to avoid damaging the original waterproofing. Tiling over existing tiles is an alternative some owners use. Any toilet works that affect floor finishes or piping still require a permit, so confirm the current rule with HDB or your DRC contractor.

### What protection do I get from a CaseTrust renovation firm?
CaseTrust-accredited renovation businesses cap your initial deposit at 20% of the total cost and protect it with a deposit performance bond if the firm closes or is wound up. They must use the CaseTrust Standard Renovation Contract, collect payments by milestones, give at least a 12-month workmanship warranty and go through CASE mediation for disputes.

## Sources
- HDB: Important information on renovations (Renovation Control Rules): https://www.hdb.gov.sg/managing-my-home/renovation-and-maintenance/renovation/important-information-on-renovations
- HDB: Renovation guidelines: https://www.hdb.gov.sg/managing-my-home/renovation-and-maintenance/renovation/renovation-guidelines
- MND written answer on renovation approvals in older HDB flats (2025): https://www.mnd.gov.sg/newsroom/speeches/view/written-answer-by-ministry-of-national-development-on-criteria-or-requirements-for-approval-of-renovation-works-in-older-hdb-flats
- CASE: CaseTrust accreditation for renovation businesses: https://case.org.sg/casetrust/casetrust-accreditation-for-renovation-businesses/
- CASE: List of CaseTrust-accredited businesses: https://casetrust.case.org.sg/Home/casetrustlist
- Qanvast: How much is a 3, 4 and 5-room HDB renovation in 2025? (15 Jan 2025): https://qanvast.com/sg/articles/-3384
- BCA: Window safety (approved window contractors): https://www1.bca.gov.sg/regulatory-info/building-control/window-safety

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Source: Lookup (https://lookup.sg) · Data as of October 2026 · Listings compiled from Singapore government open data (data.gov.sg), OneMap and Overture Maps places. Free listings never show contact details; featured listings are labelled.