3I (Improved) HDB Resale Interior Design Singapore

Give Your 3I (Improved) a Clearer, Smarter Layout

For this 3I (Improved), the design opportunity is making better use of an improved three-room plan while keeping the home visually light. That shifts the conversation away from a standard renovation package and towards a more deliberate living-dining relationship, compact storage and lighting that stretches the sense of depth. We also resolve existing conditions, structural limits and ageing services early, so the final home feels natural to use rather than simply new.
RENOVATION COST CALCULATOR

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Get a preliminary estimate for your Singapore home based on its size, the work you need and your preferred finish.

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What type of property are you renovating?

This helps us set a realistic starting point for the estimate.

What is the approximate size of your home?

Select the closest range. Exact measurements can be reviewed later.

How much of the home are you planning to renovate?

What are you planning for the kitchen?

How many bathrooms will you renovate?

Which custom carpentry items do you need?

Select all that apply.

How much flooring and finishes work do you need?

How extensive will the electrical and lighting work be?

What level of finish are you looking for?

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YOUR PRELIMINARY ESTIMATE

Based on the home and renovation scope you selected.

Carpentry S$0
Wet Works S$0
Finishes S$0
M&E + Lighting S$0

This is a preliminary budget estimate. Actual costs may vary with site conditions, measurements, materials, design requirements and the final scope of work. It is not a quotation.

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Total Estimated Cost: S$0

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3I (Improved) interior design by Luxior Concept
Property category
HDB Resale
Layout character
3-room older-generation HDB flat
Best opportunity
Better circulation, storage and daylight
Key constraint
Existing conditions, structural limits and ageing services
Planning reference
$35,000-$85,000+ · 6-10 weeks

Where a 3I (Improved) needs more thought

What makes the 3I (Improved) worth planning carefully is making better use of an improved three-room plan while keeping the home visually light. In practice, that means testing a more deliberate living-dining relationship, compact storage and lighting that stretches the sense of depth against the actual floor plan, site condition and household routines. Because existing conditions, structural limits and ageing services can affect what is feasible, those constraints should be understood before the visual scheme becomes fixed.
3I (Improved)
Line icon of a floor plan with circulation arrows, a sofa and a plant.
Make every route through the home count for the 3I (Improved)
Test the circulation of the 3I (Improved) against the goal of making better use of an improved three-room plan while keeping the home visually light. Door swings, furniture clearances and the route between high-use spaces should support that idea before any built-in is drawn in detail.
Line icon of a wardrobe and storage drawers beside a plant.
Store more without closing the room in for the 3I (Improved)
Let storage in the 3I (Improved) reinforce a more deliberate living-dining relationship, compact storage and lighting that stretches the sense of depth. Concentrate capacity where it removes daily clutter, and avoid using carpentry simply to fill blank walls that could otherwise keep the home visually open.
Line icon of a dining table beneath a pendant light and air conditioner.
Let services support the design for the 3I (Improved)
Coordinate lighting and services in the 3I (Improved) around a more deliberate living-dining relationship, compact storage and lighting that stretches the sense of depth. Power points, switching, air-conditioning and task lighting should be resolved with the furniture plan so practical requirements do not appear as afterthoughts.
Line icon of wood, stone and terrazzo material samples.
Balance tactility with easy maintenance for the 3I (Improved)
Choose materials for the 3I (Improved) that can handle Singapore humidity, cleaning and regular use while supporting making better use of an improved three-room plan while keeping the home visually light. The palette should become quieter as the plan becomes stronger, not rely on more finishes to create interest.
Design INSPIRATION

Use the 3I (Improved) Layout More Intelligently

Use design references to explore a more deliberate living-dining relationship, compact storage and lighting that stretches the sense of depth. For a 3I (Improved), the strongest ideas are the ones that support making better use of an improved three-room plan while keeping the home visually light, while still leaving enough flexibility for furniture, storage and routines to evolve after move-in. The result should feel specific to this home, not copied from a generic style board.
What to confirm before renovating a 3I (Improved)

Before detailing the 3I (Improved), turn the household brief into specific decisions. The planning should test a more deliberate living-dining relationship, compact storage and lighting that stretches the sense of depth, then check the proposal against HDB renovation requirements and the unit's actual condition. This sequence is especially important here because the project is trying to achieve making better use of an improved three-room plan while keeping the home visually light.

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7
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Years of Architectural Excellence
  • Prioritise better circulation, storage and daylight before adding decorative features
  • Coordinate existing conditions, structural limits and ageing services before carpentry and ceiling work are finalised
  • Set the renovation scope against the household's storage, cooking and daily routines
  • Confirm HDB renovation requirements that apply to the proposed 3I (Improved) works
  • Map furniture and circulation around the actual 3I (Improved) floor plan
Smiling woman with a brown blazer and jewelry standing indoors with blurred people in background.
CLEAR FROM THE START
We explain the design, scope, quotation and next steps clearly before work begins.
DESIGNED AROUND YOU
Your layout, routines, preferences and priorities guide the design instead of a fixed house style.
INVOLVED THROUGHOUT
Your project is managed by people who understand both the design intent and what needs to happen on site.

Budget priorities that improve a 3I (Improved) every day

Protect the floor plan first in a 3I (Improved)

Protect the work that establishes making better use of an improved three-room plan while keeping the home visually light. In the 3I (Improved), layout changes and anything affected by existing conditions, structural limits and ageing services should be priced before decorative upgrades because these decisions are far harder to revisit after completion.

Spend on the kitchen workflow in a 3I (Improved)

Shape the kitchen in the 3I (Improved) around actual cooking frequency, appliance needs and storage habits. The kitchen should support a more deliberate living-dining relationship, compact storage and lighting that stretches the sense of depth rather than becoming a fixed block of cabinetry that competes with the wider plan.

Put carpentry where it saves space in a 3I (Improved)

Use bespoke carpentry in the 3I (Improved) only where it helps achieve making better use of an improved three-room plan while keeping the home visually light. Storage should support the household's real belongings and routines, while loose furniture is retained wherever flexibility is more valuable than another built-in.

Coordinate electrical work early in a 3I (Improved)

Set lighting, sockets, data and switching around the final furniture plan for the 3I (Improved). This is especially useful when the concept relies on a more deliberate living-dining relationship, compact storage and lighting that stretches the sense of depth, because poorly placed services can quickly undermine an otherwise clear layout.

Do not compromise wet-area fundamentals in a 3I (Improved)

Keep waterproofing, plumbing, ventilation and easy-clean finishes protected within the 3I (Improved) budget. Durable wet areas support the wider aim of making better use of an improved three-room plan while keeping the home visually light by reducing maintenance problems that can disrupt the home later.

Designer comparing wood and stone finish samples on a table.

Explore interior design by space

Start with the room you are thinking about now. Each guide explores planning considerations, renovation possibilities, materials, storage and design ideas for that specific part of a Singapore home.
HDB BTO interior design icon - Luxior Concept Singapore home renovation
Living & Hosting Spaces
Planning your living room, dining area or entertaining space? Luxior Concept designs shared spaces for Singapore homes around comfortable circulation, practical storage and the way your household relaxes, hosts and spends time together.
PLAN MY LIVING SPACES
PLAN MY LIVING SPACES
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HDB BTO interior design icon - Luxior Concept Singapore home renovation
Kitchens & Utility Spaces
Planning a kitchen renovation in Singapore? We coordinate cooking flow, appliances, storage, ventilation and easy-maintenance finishes across kitchens, pantries, service yards and laundry areas to make everyday household work more efficient.
PLAN MY KITCHEN
PLAN MY KITCHEN
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HDB BTO interior design icon - Luxior Concept Singapore home renovation
Bedrooms & Storage Spaces
Create bedrooms and storage spaces that feel calm without sacrificing function. We plan wardrobes, lighting, furniture clearances and flexible storage around rest, dressing and the changing needs of Singapore households.
PLAN MY LIVING ROOM
PLAN MY LIVING ROOM
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HDB BTO interior design icon - Luxior Concept Singapore home renovation
Work & Flexible Spaces
Need a home office, study or adaptable spare room? We design flexible spaces with suitable lighting, power, storage and acoustic comfort so the room can support work today and different household needs tomorrow.
PLAN MY FLEXIBLE SPACE
PLAN MY FLEXIBLE SPACE
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HDB BTO interior design icon - Luxior Concept Singapore home renovation
Wellness & Lifestyle Spaces
Design a personal space around the routines that help you feel at home. From bathrooms and home gyms to reading, music and meditation rooms, every detail is planned around comfort, privacy and practical daily use.
PLAN MY LIFESTYLE SPACE
PLAN MY LIFESTYLE SPACE
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OUR FEATURED PROJECTS

From minimalist residences to complex urban landscapes, discover how we shape spaces that inspire, function, and stand the test of time.
HDB Resale
Modern Contemporary - 472C Fernvale St
Modern Contemporary - 472C Fernvale St
Singapore Residence
HDB Resale
Contemporary Scandinavian - 325C Sengkang East Way
Contemporary Scandinavian - 325C Sengkang East Way
Singapore Residence
What Could Your Renovation Cost?
Choose your property type, rooms and level of work to build an initial renovation estimate for your Singapore home.
Takes about 3 minutes · No obligation
CALCULATE MY RENOVATION
CALCULATE MY RENOVATION

General Questions

These Dual-Key renovation questions cover privacy between living zones, acoustic separation, budgeting, approvals and the planning decisions that shape everyday use.
How much does a 3I (Improved) renovation cost in Singapore?
For a 3I (Improved), cost is driven less by the property label than by what is being changed. Existing services, bathrooms, kitchen work, custom carpentry and the chosen finishes all move the number. Use $35,000-$85,000+ · 6-10 weeks as an initial reference, then validate it against the actual unit and renovation brief before committing.

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How long does a 3I (Improved) renovation usually take?
A 3I (Improved) renovation timeline is only meaningful once the scope is clear. The reference here is 6-10 weeks, but approvals, hacking, wet works, carpentry production and specialist items can extend the programme. A properly coordinated pre-construction phase usually saves more time than compressing decisions later.

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What should I prioritise when renovating a 3I (Improved)?
The first priority in a 3I (Improved) should be the part of the layout that creates the most friction. In this property type, better circulation, storage and daylight is a strong starting point. Once that is working, coordinate storage, services, lighting and durable finishes around the same plan.

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What approvals are needed for a 3I (Improved) renovation?
Not every change to a 3I (Improved) needs the same level of approval, but the scope should be checked against HDB renovation requirements. Hacking, wet-area work, structural interventions and external changes deserve particular attention. Confirming this early protects both the design programme and the construction schedule.

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Can Luxior Concept review my 3I (Improved) floor plan first?
Yes. For a 3I (Improved), start by sharing the floor plan and explaining what is difficult about the current layout. It is also useful to describe the household routines that relate to making better use of an improved three-room plan while keeping the home visually light. Add your preferred style, budget range and target timing, and Luxior Concept can identify the first planning decisions worth resolving before a full scope is confirmed.

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Address:
1 Kampong Ampat, #08-12
OneKA @ Macpherson,
Singapore 368314
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