Reg. No. 202307659D · BCA Registered (CR06, L1) · Serving Sengkang info@onesmartconstruction.com

Home › HDB Renovation › Sengkang

HDB Renovation in Sengkang

BCA-registered renovation contractor working across Sengkang – BTO, resale and executive flats. Every trade in-house, itemised quotations, one-year workmanship warranty.

BCA Registered · CR06 (L1) In-house trades 1-year warranty Free site visit
35+Projects completed
3+Years active
6–8 wksTypical 4-room timeline
1 yearWorkmanship warranty

HDB Renovation Sengkang — What's Different Here

Sengkang spans two very different renovation profiles. The original Rivervale and Compassvale precincts date from the late 1990s and early 2000s – old enough that a full renovation should budget for a distribution board upgrade if the flat still has its original fuse board, and for a bathroom waterproofing check if it's never been redone. The newer Anchorvale, Fernvale and Sengkang West BTOs completed in the last ten to twelve years need far less infrastructure work.

Sengkang's LRT network runs directly past several precincts, and blocks near Cheng Lim, Kangkar and Ranggung LRT stations often have longer or more indirect corridor routes from the loading bay to the unit. We check this carefully at the site visit, since it affects how we schedule bulky carpentry deliveries.

With several primary and secondary schools clustered around Sengkang, many of our clients here are families timing their renovation around the school calendar – wanting to move in before term starts. We plan the schedule around that where possible.

We work across Rivervale, Compassvale, Anchorvale, Fernvale and Sengkang West, and confirm at the site visit which infrastructure category your block falls into.

What we handle

Hacking, carpentry, tiling, waterproofing and painting are carried out by our own workers; electrical work is certified by a Licensed Electrical Worker (LEW). One point of accountability.

Hacking & demolition

Bathroom and kitchen hacking, non-structural wall removal, full disposal and cartage.

Waterproofing

Membrane systems for bathrooms and balconies, with screeding and ponding tests before tiling.

Tiling works

Floor and wall tiling in all formats, including large-format porcelain and precision levelling.

Custom carpentry

Wardrobes, kitchen cabinets, TV consoles, shoe cabinets and feature walls built to your layout.

Electrical works

New points, electrical wiring and rewiring, DB upgrades and lighting circuits – LEW certified.

Plumbing works

Repiping, concealed pipe works, sanitary ware installation and water heater connections.

Painting

Full interior repaint with premium paints, proper surface preparation and floor protection.

False ceiling

Cove lighting, bulkheads and ceiling works coordinated with electrical and aircon.

HDB Renovation Cost in Sengkang

Renovation pricing does not change by estate. What changes is the condition of your flat and the scope you choose. These are the ranges we work to across Singapore, including Sengkang.

Flat typeLight refreshStandardFull renovation
3-roomS$18,000 – S$26,000S$30,000 – S$42,000S$48,000 – S$62,000
4-roomS$22,000 – S$32,000S$38,000 – S$58,000S$62,000 – S$85,000
5-roomS$26,000 – S$38,000S$45,000 – S$68,000S$72,000 – S$98,000
ExecutiveS$30,000 – S$44,000S$52,000 – S$78,000S$85,000 – S$115,000

Indicative ranges as at Q3 2026. Excludes GST, appliances, lighting fixtures and loose furniture. Read the full itemised cost breakdown to see how these numbers are built up trade by trade.

Recent work near Sengkang

A 5-room resale flat in Rivervale, built in 2001. The owners wanted an open kitchen concept, so we hacked out a non-structural wall between the kitchen and living room and rewired the entire flat, since it still had the original rewireable fuse board and couldn't safely support an induction hob on the old circuit.

We resequenced the work so electrical rough-in happened before the kitchen carpentry template was taken, avoiding the common mistake of boxing in wiring before points are confirmed. The family moved in three days ahead of the new school term, which was their key deadline.

"They understood we had a hard deadline with school starting and built the whole schedule around it. Nothing felt rushed even though the timeline was tight."

Homeowner – 5-room resale, Rivervale, Sengkang

See the full project gallery →

How it works

Practical notes for Sengkang renovations

Loading and access. Blocks near the LRT stations sometimes have longer walking routes from the nearest loading bay. We factor this into delivery timing for heavier items like tile pallets and carpentry carcasses.

Permitted hours. HDB noise-generating works are restricted to 9am–5pm on weekdays and Saturdays, with no hacking on Sundays or public holidays. Near schools, we also avoid the loudest hacking work around dismissal times as a courtesy.

Older Rivervale and Compassvale wiring. If your flat still has the original two-pin sockets or a rewireable fuse board, budget for a full rewire and DB upgrade – this is common in blocks from the late 1990s and early 2000s and is not optional if you're installing an induction hob or multiple aircon units.

Questions from Sengkang homeowners

Do you do HDB renovation in Sengkang?

Yes – across Rivervale, Compassvale, Anchorvale, Fernvale and Sengkang West. BTO, resale and executive flats.

How much does an HDB renovation cost in Sengkang?

A 4-room typically runs S$35,000–S$65,000 depending on scope; a light refresh starts near S$22,000. Cost is driven by carpentry run-metres, how many bathrooms are hacked and the finishes chosen – not by which estate you live in.

How long does an HDB renovation take in Sengkang?

Six to eight weeks for a typical 4-room. You get a written schedule before works start and daily progress photos throughout.

My block is near Rivervale or Compassvale. What should I expect?

Plan for a possible rewire and DB upgrade if your flat still has its original fuse board, and a waterproofing check if the bathrooms have never been redone. Newer Anchorvale, Fernvale and Sengkang West flats generally need far less of this.

Free site visit in Sengkang

Itemised quotation within 3 working days. No obligation.

Get a free quote Email us

Other areas we serve

Tampines Punggol Bedok Pasir Ris Hougang Yishun Woodlands Bishan Toa Payoh Ang Mo Kio Serangoon Jurong West Clementi Bukit Batok Choa Chu Kang Queenstown Tengah