Renovating a Flat You Plan to Rent Out in Singapore
A flat you are going to let is not a flat you are going to live in, and the renovation should not be the same either. That sounds obvious, and almost every landlord we meet has still specified the works as though they were moving in themselves.
The difference is not about spending less. It is that you are optimising for something else entirely: how the flat survives people who did not choose the finishes, and how fast it turns around between tenancies. Get that right and the same budget produces a flat that is easier to let, cheaper to hold, and much less likely to generate an argument at the end of a lease.
Here is what is worth doing, what is usually wasted, and the handful of things that cause almost all of the trouble later.
Before anything: check what you are allowed to do
Two separate approvals, and people routinely confuse them.
Renting out an HDB flat has its own conditions — approval to rent the whole flat, minimum occupation requirements, limits on the number of occupants, and rules about who may be a tenant. These change, and they are HDB's to state rather than ours. Check the current position on HDB's own site before you plan works around a target letting date, because a renovation finished two months before you are permitted to let is a renovation financed for nothing.
The renovation itself needs its own permit for the works that require one, applied for by an HDB-registered contractor. That is a separate process from the letting approval, with its own timeline. The permit guide sets out what needs one and what does not, and how to check a contractor is genuinely registered is worth five minutes before you appoint anyone.
If you are buying the flat rather than already owning it, the other thing to establish early is whether the previous owner did anything unapproved. Unapproved works in a resale flat become your problem on completion, and a partitioned bedroom or a hacked wall you did not create can still have to come out at your cost.
The rule that decides most of the budget
Spend on the things that are expensive to fix while the flat is empty, and cheap on the things that will be replaced anyway.
The reason is timing rather than money. Work inside a tenanted flat is slow, disruptive, has to be scheduled around someone else's life, and often means a rent reduction while it happens. Work in an empty flat between tenancies is straightforward. So anything structural, hidden, wet, or behind a wall should be dealt with now, at full quality, and anything cosmetic can be deliberately cheap because you will redo it on turnover regardless.
Where the money genuinely belongs
Bathroom waterproofing. If you do one thing properly, this is it. A bathroom that leaks into the unit below is the single most expensive thing that can happen to a let flat: it involves a neighbour, it does not wait, it needs the bathroom out of use, and it arrives while somebody is living there paying rent. Doing it properly once, with the flat empty, is far cheaper than doing it in an emergency two years in. Why waterproofing matters and what it involves covers the work itself.
Electrical capacity and socket positions. Tenants use flats differently from owners — more devices, more appliances per room, and in a room-let flat, an entire household's worth of electronics in one bedroom. Too few sockets does not produce a complaint; it produces extension leads daisy-chained behind a bed, which is a fire risk you own. Adding circuits and outlets is cheap while the flat is bare and awkward afterwards. Anything beyond like-for-like replacement is work for a licensed electrical worker, and that is not a corner to cut on a property you are letting to strangers.
Flooring that takes abuse and can be replaced in patches. This is where landlords most often buy the wrong thing. The question is not which floor looks best; it is what happens when one section is damaged. A floor that can be lifted and replaced room by room, or plank by plank, costs you one room's worth of work at turnover. A continuous finish that cannot be matched costs you the whole area. The flooring comparison goes through the trade-offs; for a rental, repairability is worth more than the top of the range.
Kitchen surfaces and the wet areas around them. Sink, tap, the counter around the hob, and the wall behind it take the most punishment and are the first things a viewing tenant looks at. Solid, ordinary, well-sealed work here does more for lettability than an expensive island does.
Plumbing you cannot see. Old concealed pipework, a slow leak under a vanity, a floor trap that never drained properly — deal with it now. It is licensed plumber territory and it is far worse to discover at 11pm with a tenant in the flat.
Where the money is usually wasted
Feature walls and statement finishes. They date, they are personal, they damage, and they cannot be patched. A tenant will not pay more for one.
Elaborate built-in carpentry. Fixed carpentry is a maintenance liability that cannot be removed when it is damaged, only repaired in place, and it constrains how the flat can be laid out for the next tenant. Storage matters; a full custom fit-out in every bedroom does not. Where you do build in, simpler doors and standard hardware are worth more than the nice-to-have mechanisms, because the hardware is what fails first and common parts are the ones you can actually get replaced.
Premium sanitary ware and designer fittings. Anything with an unusual cartridge, an obscure spare part, or a long lead time becomes a void week when it breaks. Mid-range items with parts on the shelf in Singapore are the better buy for a rental, every time.
Delicate paint finishes. Use something washable that you can touch up from a tin in the store cupboard, and keep the leftover paint with the flat, labelled. Every landlord who has done this once keeps doing it.
The partition question
If you are letting by room, the temptation is to add a partition and create another rentable bedroom. Be careful. Partitioning has rules, some partitions need approval and some are not permitted at all, and an illegal partition in a let flat is a genuine risk rather than a paperwork nuisance — it can affect ventilation, escape routes and your standing if anything goes wrong.
There is also a practical point people miss: a room created by a partition often has no window, no separate ventilation and no daylight, and it lets for less than the arithmetic assumed while making the whole flat harder to let. What is actually possible with partition walls goes through the options; the short version is to ask what is permitted before you ask what it would cost.
What you leave in the flat is what you maintain
This is the decision that quietly sets your running costs for the next five years, and it is made almost casually.
Every appliance and fitting you provide is one you are responsible for repairing or replacing. A furnished flat lets faster and to a different tenant, but you now own a washing machine, a fridge, an oven, beds and wardrobes, each with its own failure date. An unfurnished flat is slower to let and almost free to hold.
Whatever you choose, do three things before handover. Photograph everything, dated, room by room, including inside cupboards and the condition of the floors. Write an inventory that lists each item and its condition in plain words. Keep the warranties, manuals and the contractor's handover pack together and give the tenant copies of what they need. Almost every deposit dispute at the end of a tenancy comes down to whether anyone can prove what condition something was in at the start, and that is settled entirely by what you did on this one afternoon.
Aircon: the clause that causes the most arguments
Hand the flat over with the aircon actually serviced, and keep the record. Then be specific in the tenancy agreement about who services it, how often, and who pays for repairs above what routine servicing covers. "Tenant to maintain" is not specific enough to settle anything, and the argument always arrives at the end of the lease when a unit that was never touched has stopped cooling.
The related trap is a unit that is already old at handover. Replacing it while the flat is empty is a scheduled job; replacing it in month eight is an emergency with someone living there.
Sequence it so the flat is lettable, not perfect
Wet works and anything requiring a permit first, then electrical, then flooring, then paint, then the loose items. Leave the cosmetic decisions last, because they are the ones you can compress if the schedule slips and the ones you will redo at turnover anyway.
Two scheduling points specific to letting. First, do not book a tenancy start date against an optimistic completion date — a renovation that runs late becomes lost rent as well as a late renovation, and the two compound. Second, insist on a proper handover inspection before the final payment, because once a tenant is in, getting a contractor back to fix a snag means access arrangements and someone's inconvenience.
The short version
Spend on waterproofing, electrical capacity, repairable flooring and the plumbing you cannot see. Save on feature walls, elaborate carpentry, designer fittings and delicate paint. Provide less, not more, unless furnishing genuinely lets the flat faster in your area. Photograph and inventory everything before the first tenant moves in. And check the letting rules before you set a date, not after.
Larry Contractors Pte Ltd is an HDB-registered renovation contractor, licence number HB-09-5667H. If you are deciding who to appoint, working with a direct contractor and our HDB renovation page explain who you are actually dealing with day to day.
Renovating a flat to let and want a view on where the money should go? WhatsApp us on 9107 2601 — tell us the flat type, whether you are letting the whole unit or by room, and when you want it ready, and we will tell you which items are worth doing properly now and which can wait for turnover.