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Building Under Construction (BUC)

5 min read

Every day, 99.co takes a piece of property jargon and demystifies it. Today, we look at Building Under Construction (BUC), which is for really patient people.

What is BUC?

Building Under Construction (BUC) refers to any property that is still in the process of being built. You can safely assume that, until a building receives its Temporary Occupancy Permit (TOP), it will fall under this category.

Property Jargon of the Day: Building Under Construction (BUC)
Building Under Construction (BUC) refers to any property that is still in the process of being built.

Of course, this doesn’t mean the property isn’t already being marketed, with a fancy website and a ritzy showroom. It’s the norm for developers to license even before the first tractor arrives, because of their time limits. They have five years to meet the ABSD for developers, and seven years to meet the QC. As such, the sales begin long before the property is complete.

How does buying a BUC differ from buying completed properties?

It differs in the following areas:

  1. The home loan is different
  2. You’ll get a better discount
  3. You’re still buying blind
  4. You’re in for a wait

1. The home loan is different

For BUC, your home loan has to accommodate a PPS. This means the loan repayment will gradually rise as the building is completed. See the link for details.

Property Jargon of the Day: Building Under Construction (BUC)
Your home loan for BUC must accommodate a PPS.

The other difference is that, unlike regular loans, you don’t pay 1% of the property price to secure the OTP. Pay 5% upfront to get the Option. Also, unlike the usual OTP, you don’t forfeit the full amount if you decide not to exercise the Option. You lose only 25% of what you paid.

For example, say the BUC costs S$1.5 million. Securing the OTP would cost you S$75,000. If you choose not to exercise the option, you would lose S$18,750 from this amount.

Interest rates are neither higher nor lower for a BUC. That still depends on your loan package.

2. You’ll get a better discount

There are usually “early bird” discounts for buying a BUC. This is to compensate for the downsides, such as having to buy blind (see below), and being unable to rent the property (it doesn’t exist yet!)

This often means a lower price per square foot for early buyers, or the developer absorbing conveyancing fees, stamp duties, and so forth. Discounts often reach up to 20%.

However, beware of a trick where developers price the property 20% above value, and then “discount” it by 20%. Check the value of surrounding units to make sure you’re really getting a good deal.

3. You’re still buying blind

There’s no way to tell what the property will be like, other than using the showflat as an example. This is one reason you get a discount – you’re buying blind. Remember, the showflat has been dressed up, and each unit can be a little different.

Property Jargon of the Day: Building Under Construction (BUC)
There are usually “early bird” discounts for buying a BUC.

For landlords, buying a BUC is risky. They can only get a sense of rental rates from the surrounding properties (with the 99.co map). Likewise, investors cannot see any transaction history as the building isn’t up yet. They can only guesstimate its potential resale value, based on the resale prices of surrounding properties.

4. You’re in for a wait

Property Jargon of the Day: Building Under Construction (BUC)
BUC is for those who are willing to rent for a while, or have another place to stay.

BUC is for those who will rent for a while, or have another place to stay. Most developments take about three years to reach completion. On top of that, there is always the risk of delay. You should have contingency plans if the TOP takes a few months longer.

This wait is the biggest drawback for landlords. As the property doesn’t exist yet, you have nothing to rent out. You’ll need to be sure the “early bird” discount and other incentives make up for lost rental income.

Is a BUC right for you?

If you’re a home buyer, your main concern is that you can’t view the actual unit you’re staying in. If this makes you anxious, it’s best to avoid a BUC. Three years is a long time to remain anxious, and it’s not as if you can back out once it’s built.

Realizing you’re stuck paying for something you’ve never seen.

For investors, it depends on your overall experience and acumen. Seasoned investors, who can “read” the prospective value of an area, can usually tell when a BUC is a good deal. They also get to buy low because of the discounts, which are not as easy to find for resale properties.

For less experienced investors, however, it may be best to stick to a resale unit. Not only can you see the rental and transaction histories, you can also start renting it out immediately. There are just fewer variables, and less guesswork.


What other property jargon would you like to learn about? Let us know in the comments section below.

About Ryan Ong

Looking to sell your property?

Whether your HDB apartment is reaching the end of its Minimum Occupation Period (MOP) or your condo has crossed its Seller Stamp Duty (SSD) window, it is always good to know how much you can potentially gain if you were to list and sell your property. Not only that, you’ll also need to know whether your gains would allow you to right-size to the dream home in the neighbourhood you and your family have been eyeing.

One easy way is to send us a request for a credible and trusted property consultant to reach out to you.

Alternatively, you can jump onto 99.co’s Property Value Tool to get an estimate for free.

If you’re looking for your dream home, be it as a first-time or seasoned homebuyer or seller – say, to upgrade or right-size – you will find it on Singapore’s fastest-growing property portal 99.co.

Meanwhile, if you have an interesting property-related story to share with us, drop us a message here — and we’ll review it and get back to you.

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