Dining space in a small BTO flat: find the flexible zone first

7 min read

A new flat whose kitchen fits everything except the people who eat from it leaves one real question: where do the extra people sit? The most useful first move is not to argue about knocking a wall down. Read the two area figures HDB prints for your flat type, then find the zone your plan already labels as flexible. Set aside one part before anything else — the household shelter, whose walls, ceiling, floor and door HDB's specifications say shall not be hacked, drilled, altered or removed. [1]

In an HDB flat that flexible zone is usually named for you: a dining-capable space in the 2-room Flexi, an open dry kitchen and a combined kitchen/utility space in the 3-room, or a White flat handed over without partition walls. What follows sets out the official numbers, the parts to leave alone, and how to match one layout to the meals your household actually eats. [2] [1]

What your flat actually measures

HDB prints two numbers for every flat type, and the gap between them matters when you are deciding where six people can sit. The June 2026 BTO sales annex lists standard projects with a 3-room flat at an estimated floor area of 69 sqm and an internal floor area of 66 sqm, a 4-room at 93 sqm and 90 sqm, and a 5-room at 113 sqm and 110 sqm. The same annex also carries a 4-room listing at 89 sqm with 86 sqm internal, so read your own project's line rather than working from a flat-type rule of thumb. [3] [4]

The annex explains the two figures: the estimated floor area is the area of the whole apartment, comprising the internal floor area and the air-conditioner ledge, while the internal floor area is computed on the centre line of the apartment wall. Project brochures use the same convention. Crawford Heights' 3-room flats are shown at an approximate floor area of 66 sqm, inclusive of an internal floor area of 63 sqm and the air-con ledge, and its 4-room flats at about 90 sqm including 86 sqm internal. The internal figure is the pool the kitchen-versus-dining argument is fought over. [1] [4]

Where the eating space already is

HDB's own floor-plan notes name the flexible parts of each flat type. The 46 sqm 2-room Flexi comes with a flexible space buyers can use for dining, as a study, or to place an extra bed. The 3-room is designed with an open kitchen concept comprising a dry kitchen and a combined kitchen/utility space, and HDB says the layout gives owners flexibility to add partitions to separate spaces to suit their needs. The dining zone is not missing from the plan; it is space the designer has deliberately left for you to decide on. [2]

The Crawford Heights brochure makes the point in picture form, illustrating partitions added to separate the dry kitchen from the wet kitchen and utility space, shown as dotted lines. Its White flat option goes further: a contiguous living and bedroom space without partition walls, which HDB calls an open canvas to configure. Opting for one brings a stated price reduction of $6,000 on a 3-room and $8,600 on a 4-room. Flooring for the living/dining area, dry kitchen and bedrooms is not offered, to give owners greater flexibility in planning their living spaces; bedroom doors are also not offered, as there are no internal bedroom partition walls. [1]

Three options against the flexible zones

A Home & Decor feature published on 1 September 2026 reported that newer BTOs and condos are being designed with tiny kitchens, with little room for heavy-duty cooking prep or storage for utensils, and set out two ways to buy dining space back. The first is the kitchen island: extra counter space, a surface for food prep, a breakfast table or a homework station. The feature reported interior designer Mark Chen of Artistroom noticing homeowners' requests for kitchen island designs increase over the last 10 years. The second is cutting into or reconfiguring the service yard, which shifts the kitchen over and creates extra space where the former kitchen boundary once sat. [5]

Neither option is interchangeable. An island asks for a stretch of the open dry kitchen and kitchen/utility zone; a shifted kitchen line asks you to work in the zone where, in Crawford Heights, exposed sanitary stacks can be located and which the brochure says is served by its own door. In the same feature, homeowners of an 818 sq ft one-bedroom condo in the Clarke Quay area described achieving separate kitchen and dining areas by composition — a banquette, artwork and lighting — rather than a heavy partition. They advised thinking about how you actually want to live: if you cook every day, give more space to the kitchen. [5]

What will not move, and who may move it

Two things are worth settling before the layout conversation. First, the household shelter: HDB's brochure states that its walls, ceiling, floor and door shall not be hacked, drilled, altered or removed. Second, services. The Crawford Heights specifications list gas services and concealed water supply pipes, with exposed sanitary stacks that can be located at the service yard and/or the air-con ledge, and the brochure adds that the details of services — gas pipes, water pipes, sanitary stacks, wiring — are not indicated on the plans. Confirm positions against your own unit's drawings and HDB's current guidelines before you design around a new kitchen line. [1]

Who may do the work is fixed too. HDB states that the Housing & Development (Renovation Control) Rules 2006 require owners to engage only contractors from the Directory of Renovation Contractors, and that owners are responsible for ensuring their contractor carries out all works in line with HDB guidelines; some renovation types require a permit from HDB and some do not. HDB publishes its building-works guidance as separate topic pages covering walls, wall finishes, false ceiling, kitchen and floor finishes, so read the page that matches your planned work rather than relying on a general rule of thumb. [6] [7]

Condominium or HDB: two tests, then decide

In a condominium or strata landed unit the test is different. URA's guidance, last updated on 12 June 2026, states that internal works do not require planning permission where there is no increase in Gross Floor Area and the premises continues to function as a self-sufficient residential unit with the essential communal spaces and amenities. Internal partitioning can be exempted provided it does not alter the nature of the unit as a single self-sufficient flat with essentials such as living/dining area, kitchens and service yards; partitioning that would create new sub-units is not exempted. Where works increase GFA, a letter signed by the Secretary or Chairperson of the estate's management corporation, explaining a 90% resolution authorising them, is submitted with the planning application. [8]

So choose in this order. In a condominium, hold every option to URA's test: one self-sufficient dwelling, no increase in Gross Floor Area, with the kitchen and service yard kept as essential communal spaces. In an HDB flat, hold it to the zone your plan already names as flexible — the 2-room Flexi dining space, the 3-room dry kitchen and kitchen/utility that may be partitioned, or a White flat without partition walls — and settle the household shelter and your own service drawings first. Only then choose between opening the kitchen, adding an island or shifting the kitchen line, and pick the option that matches the meals your household actually eats. [1] [8]

Read next

Sources

  1. [PDF] Crawford Heights – HDB'S SALES LAUNCH OCTOBER 2024
  2. Key Statistics
  3. ANNEX A
  4. Table A(1)(a): Oct 2025 BTO Flat Supply and Pricing Details
  5. Houses are shrinking, which to choose? Dining kitchen island or an open-concept living-dining room? | Home & Decor Singapore
  6. Important Information on Renovations – HDB
  7. Renovation Guidelines for Building Works – HDB
  8. Strata-titled Residential | Urban Redevelopment Authority (URA)

BUTLER Magazine Editorial · AI-assisted research and writing, reviewed by our automated editorial team. Sources checked 2026-10-09. Featured image: AI-generated editorial illustration.

About Author /

CEO & Founder - BUTLER