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Is It Worth Renovating Your Resale Flat? Here’s What You Need to Know

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Buying a resale flat can be exciting — you get a bigger space, an established neighbourhood, and sometimes even a great view. But with that also comes the big question:Is it worth renovating a resale unit? Or is it better to buy new?

Let’s break it down — from cost to practicality — so you can make an informed decision.


🧱 1. Resale Flats: Bigger Space, More Possibilities

Older HDB flats are known for:

  • Larger layouts

  • More flexible hacking options

  • Separate kitchen/dining/living zones

But… they often come with old tiles, outdated plumbing, and worn-out fittings that need serious attention.


💰 2. Renovation Cost: Resale vs BTO

Renovating a resale flat typically costs 30–50% more than a BTO unit.

Why?

  • Dismantling and hacking old materials

  • Rewiring outdated electricals

  • Re-tiling toilets due to water leakage risk

  • Potential waterproofing issues

Estimated renovation cost (Singapore example):

Flat Type

BTO

Resale

3-room

$20K–$30K

$30K–$45K

4-room

$25K–$35K

$40K–$60K

5-room

$30K–$40K

$50K–$70K+

(Prices vary depending on design, materials, and scope)

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Get Your Free Quote Now!

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🔌 3. Common Issues We See in Resale Flats

  • Wiring: Old wires may not support modern appliances.

  • Waterproofing: Leaks from upstairs neighbours or poor previous work.

  • Toilet layout: Some need hacking to meet today’s usage or aesthetics.

  • Uneven walls/floors: May require plastering or screeding.

  • Hidden defects: Mold, termite-damaged carpentry, loose floor tiles.


🛠️ 4. Pros of Renovating Resale Units

✅ You can rebuild everything to your taste

✅ Often allows more creative layout changes

Move in faster than waiting for a BTO

✅ Potential for capital appreciation if well-renovated


⚠️ 5. What to Watch Out For

  • Check with HDB on what can or cannot be hacked

  • Engage a contractor who understands older structures

  • Factor in additional time for permits, approvals, and repairs

  • Get an HDB resale flat inspection before starting reno


🧑‍🔧 Our Advice as a Design + Build Contractor

Renovating a resale flat can be 100% worth it — if:

  • You love the location

  • You need a larger layout

  • You’re prepared for a slightly higher budget and longer timeline

With the right contractor and planning, your old flat can feel brand new.

At How 2 Design 4U, we’ve transformed countless resale homes with:

  • Full rewiring & waterproofing

  • Custom carpentry made in our own factory

  • Safe E0 boards & formaldehyde removal service


🚀 Ready to Transform Your Resale Unit?

Send us your floor plan and we’ll give you a clear, honest assessment — no fluff, no mark-ups.

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