Build-To-Order (BTO) is one of HDB’s three modes of sale for new flats, alongside Sale of Balance Flats and open booking: each sales exercise offers flats in a few towns, a computer ballot sets applicants’ queue positions, and most flats are completed years after booking — HDB’s median wait was about four years for the flats it completed in 2025. From the October 2024 exercise, BTO projects are classified Standard, Plus or Prime. HDB planned about 19,600 BTO flats for 2026.
Singapore · BTO flats HDB planned for 2026, across three sales exercises
~19,600
June 20266,952 flats
Nov 2026~7,960
Median wait~4 years
HFE valid9 months
Planned for 2026~19,600BTO flats, HDB (8 Jan 2026)
June 2026 exercise6,952flats in 7 projects
November 2026~7,960flats, moved from October
Median wait~4 yearsflats completed in 2025
MOP5 / 10 yearsStandard / Plus and Prime; 20 under Fresh Start
Income ceilingSGD 16,000families, 4- and 5-room, HFE from 24 Aug 2026
On this pageApply, ballot, bookStandard, Plus, PrimeWhat it means for youMisconceptionsRelated termsSources
Key takeaways
- BTO is one of HDB’s modes of sale for new flats; each exercise offers a range of flat types across a few towns, and a computer ballot decides which applications succeed. A valid HDB Flat Eligibility letter is needed to apply; it takes up to a month to process after all documents are in, may take longer before and during the month of a sales exercise, and is valid for 9 months.
- Ballot results come by email within 2 months after applications close. Booking starts from 4 weeks after the ballot results, in queue order; an option fee of SGD 2,000 (4-room and bigger), SGD 1,000 (3-room) or SGD 500 (2-room Flexi) is paid at booking and forms part of the downpayment, and buyers of an uncompleted flat sign the Agreement for Lease within 9 months. With an HDB loan, the standard downpayment for applications from the October 2024 exercise is 10% of the price at the Agreement for Lease and 15% at key collection (10% at key collection for applications from 30 September 2022 to before then); HDB’s Staggered Downpayment Scheme and Deferred Income Assessment split it differently for eligible buyers.
- From the October 2024 BTO exercise, projects are classified Standard, Plus or Prime by location. Plus and Prime flats carry a 10-year minimum occupation period (Standard 5; 20 years for flats bought under the Fresh Start Housing Scheme) and cannot be rented out whole. Those bought from HDB return a percentage of the resale price or valuation, whichever is higher, set for each project — 8% for the Plus projects and 10% and 14% for the Prime projects in June 2026; short-lease 2-room Flexi flats and Community Care Apartments are excluded.
- Under HDB’s fiancé/fiancée and married-couple schemes with a Singapore Citizen or PR partner, and its multi-generation and orphaned-sibling schemes, the applicant must be a Singapore Citizen aged 21 or above with at least one other Singapore Citizen or PR; a Singapore Citizen buying with a non-resident spouse must be at least 35 and may buy a new 2-room Flexi flat. For HFE letter applications from 24 August 2026 the family income ceiling for 4- and 5-room flats is SGD 16,000 (was SGD 14,000); HDB’s eligibility page lists SGD 24,000 when buying with extended or multi-generation family, and lower ceilings for 2-room Flexi flats and some 3-room projects; Singapore Citizen singles aged 35 and above may buy a 2-room Flexi flat, with an SGD 8,000 ceiling. Households in HDB’s First-Timer (Parents & Married Couples) category get 3 ballot chances, other first-timer families and couples 2, and second-timer families, seniors and first-timer singles 1.
- HDB planned about 19,600 BTO flats for 2026, including more than 4,000 Shorter Waiting Time flats in 2026, with waits under three years. The June 2026 exercise launched 6,952 flats in 7 projects across Ang Mo Kio, Bishan, Bukit Merah, Sembawang and Woodlands (3 Standard, 2 Plus, 2 Prime). The next exercise was moved from October to November 2026, with about 7,960 flats in Bedok, Geylang, Sembawang, Tengah, Toa Payoh and Yishun, plus Community Care Apartments in Toa Payoh.
Definition
What is a BTO flat, and how is it bought?
A BTO purchase runs from the eligibility letter to key collection.
ApplyHFE letterNeeded before applying; valid for 9 months. One flat type in one town per exercise.
BallotcomputerA computer ballot, not first come first served. Results within 2 months; booking in queue order from 4 weeks after.
Book and wait~4 yrsOption fee at booking, Agreement for Lease within 9 months, keys when built. About 4 years was the median for flats completed in 2025; Shorter Waiting Time flats, under 3.
Not booking a flat when invited, with more than 10 BTO flats left to choose from, adds a non-selection count: ongoing applications are cancelled, first-timer families are treated as second-timers for a year, and second-timer families and first-timer singles cannot apply for a year.
Comparison
Standard, Plus and Prime flats compared
The classification applies to BTO projects launched from the October 2024 exercise. Earlier flats are unclassified, except that HDB applies Prime conditions, such as the 10-year MOP, to Prime Location Public Housing flats sold before then. Flats bought under the Fresh Start Housing Scheme (2-room Flexi or 3-room on a shorter lease) have a 20-year MOP.
| Standard | Plus | Prime | |
|---|---|---|---|
| Minimum occupation period | 5 years | 10 years | 10 years |
| Renting out the whole flat | After MOP, with approval | Not allowed | Not allowed |
| Subsidy recovery on resale (flats bought from HDB) | None | Set per project (8% in June 2026) | Set per project (10–14% in June 2026) |
Ballot chances by household
First-Timer (Parents & Married Couples)3
Other first-timer families and couples2
Second-timer families, seniors, first-timer singles1
HDB’s ballot chances. First-timer families unsuccessful in 2 or more BTO applications for a Standard flat get 1 extra chance for each later Standard-flat application, up to 2 (not for Plus or Prime); from the February 2027 exercise, first-timer families with or expecting children get 1 more per Singapore Citizen child aged 18 and below.
What it means for you
Where BTO rules show up
Before applyingHDB affordability calculator
The HFE letter sets out eligibility for a flat, grants and the HDB loan before an application; processing takes up to a month after all documents are in, and may take longer before and during a sales exercise month.GrantsHDB grant calculator
First-timer families may qualify for the Enhanced CPF Housing Grant of up to SGD 120,000 if a household member has worked continuously for at least 12 months and is working at the HFE letter application, and average gross monthly household income over the months worked does not exceed SGD 9,000; the grant goes towards the purchase.The downpaymentCPF housing withdrawal calculator
With an HDB loan, the standard split for applications from the October 2024 exercise is 10% of the price at the Agreement for Lease and 15% at key collection, payable from CPF Ordinary Account savings, cash or both; HDB’s staggered and deferred schemes split it differently for eligible buyers.Selling laterHDB resale levy calculator
A flat can be sold on the open market only after the minimum occupation period; Plus and Prime flats bought from HDB also return the project’s subsidy recovery percentage.Changing your mindHDB loan rate
Cancelling after the Agreement for Lease but before keys forfeits 5% of the price.Common misconceptions
Five things people get wrong
BTO flats go to whoever applies first.
A computer ballot decides, not the order of application, so applying earlier in the application period does not change the outcome.
Every BTO flat has a 5-year MOP.
Unclassified and Standard flats have 5 years; Plus and Prime flats, including Prime Location Public Housing flats sold before October 2024, have 10; Fresh Start Housing Scheme flats have 20.
Plus and Prime flats can be rented out whole after the MOP.
Owners of Plus and Prime flats cannot rent out the whole flat.
The family income ceiling is SGD 14,000.
For HFE letter applications from 24 August 2026 it is SGD 16,000 for 4- and 5-room flats. HDB’s eligibility page lists SGD 24,000 with extended or multi-generation family, and lower ceilings for 2-room Flexi flats and some 3-room projects.
Singles can apply for any BTO flat.
Singapore Citizen singles aged 35 and above buying on their own may apply for a 2-room Flexi flat; Community Care Apartments are a separate option for eligible seniors.
Sources and reviewChecked against the HDB process, eligibility and news pages and MND on 2026-09-30
- HDB — Modes of sale — BTO, the ballot and ballot chances
- HDB — Process for buying a new flat — results, booking and timing
- HDB — Application for a new flat — non-selection and cancellation
- HDB — Booking of flat — the option fee
- HDB — Sign Agreement for Lease — the downpayment and staggered schemes
- HDB — Conditions after buying a new flat — MOP, rental and subsidy recovery
- HDB — Eligibility: couples and families — citizenship and income ceilings
- HDB — Eligibility: singles — 2-room Flexi and the SGD 8,000 ceiling
- HDB — Enhanced CPF Housing Grant — up to SGD 120,000
- HDB — HFE letter — processing and validity
- HDB — 19,600 BTO flats in 2026 (8 Jan 2026) — the 2026 plan and median wait
- HDB — June 2026 BTO exercise (17 Jun 2026) — the June projects and recovery rates
- MND/HDB — Higher income ceilings (23 Aug 2026) — new ceilings and the November exercise
- MND — BTO classification — Standard, Plus and Prime
Official HDB and MND rules and releases, for general information only. Not financial advice.
This page is provided for educational and informational purposes only. It does not constitute financial advice. All figures and worked examples are estimates for illustrative purposes, are subject to change, and do not reflect any individual’s circumstances. Always refer to HDB and MND and seek independent professional advice before making any financial decisions.