Home > Condo Renovation > Condo renovation: Part II – How to design and model a floor plan.

Condo renovation: Part II – How to design and model a floor plan.

I had to decide early on whether to sell my condo immediately after buying and pocket about SGD50-75K that I could have made by ‘flipping’ it.

The problem was that property prices in Singapore are back at very high prices… a ‘decent’ condo was running from 1200-1400PSF whereas if you bought during the last recession they were hovering around 800-900PSF.  A missed opportunity to buy something really nice.

So I decided to hold onto and live in this property; it is a ‘freehold’ so it won’t lose value over time.  Not only that, since I am going to live there with my wife who is an EXCELLENT cook, the kitchen has to be good.  Also, the guest bathroom lacked a shower (and a bath) which is a very bad selling point for the future.

In order to create a shower, I had to expand the room which means hacking down and old wall and moving it to a new location.   That meant the kitchen got smaller, which means I basically had to redesign the floor plan of the condo to get a good kitchen.

The ‘simple’ renovation that I had envisioned for SGD$30K turned into a full-fledged project which is costing much more.  Yes, it may not be a good financial investment, but it will improve the value of the condo somewhat; I estimate I can recoup about 30-50% of the renovation costs immediately (if I sold).

Putting your plan in place

So how do you ‘redesign’ or map out a new floor plan for your renovation project that allows you to easily edit your changes with a high degree of precision?

Buy some CAD software.

Fortunately, I had Altium Designer which I used for PCB design – it works very well as a floor plan designer as long as you are willing to translate feet into mm… PCB designers generally work with boards sizes around 12”x12”.  Here is what my proposed floor plan looks like in Altium Designer:


The floor plan is to scale of the dimensions of the condo.

2D is great for getting your floor plan ideas across.  But this doesn’t convey the feeling of it, whether it would really work out or not.  Also, you can’t see the cabinets, windows, colors of the tile and floor, beams, false ceilings, power outlets, lighting, etc.

You’d need a separate 2D drawing for all of those.

Moving to the 3rd Dimension

I needed to be able to model my condo design with a 3D editor so I could see the condo before I had my contractor start renovating.  Since I used to design 3D levels for the counter-strike game with some success, I decided to use that since I was familiar with the editor and the rendering engine is quite powerful.

Here is what the editor looks like when editing the condo in detail:


I’m not even close to being finished as I haven’t put in the wood floor design, door designs, window designs, etc., but you can see from the below rendered images that you can get a feel of what the new design will look like:





Just so you can see the bad state the condo is in right now, here is the current (untouched so far) state of the kitchen:


Looking at the rendered 3D images from my design, you can see that I’ve opened up the kitchen quite a bit, it will have a very airy feel compared to before.  I wasn’t sure the angular shape I created would work, but I feel the rendered images show that it will.

I can also walk through the rendered condo to make sure I can fit through doorways, what the feeling will be like from all angles, etc. 

Anyone can buy the Counter Strike Source game for about $40USD and download the 3D editor for free; it makes a very good and inexpensive way to plan your next renovation.


  1. Lynda
    August 2, 2010 at 11:04 PM

    Yo! IMPRESSIVE!! (darth vada voice) can’t believe u did all this 😉

  2. Scott
    August 3, 2010 at 9:53 AM

    Hey where is the babies room?? 🙂

  3. August 3, 2010 at 11:41 AM

    Don’t even want to think about babies… Our pidgeon nest on the balcony is all the ‘babies’ I need right now 🙂

  4. April 19, 2011 at 9:56 PM

    Good luck with the renovation project!

    Be careful with the pigeon nest – they carry some nasty germs that can be fatal. Get a professional to remove it for you.

    Susan @ Be Modern Quattro

  5. May 31, 2012 at 8:15 PM

    Woow!!! It’s nice to the same like this, I want to renovate my house… Where can I locate your office?

  6. May 31, 2012 at 8:37 PM

    It’s very nice!!!! honestly it’s very hard to have a renovation on condos.

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