Skip to content
Renovation guides
Renovation guides

Renovation journalSeptember 2026

Housing type · Second-hand flat

Second-hand flat renovation: find condition issues first, then decide keep or redo

In second-hand flats, the dear part is often not new cabinets, but old problems found once you open up.

An older small flat with green door frames and mosaic floor tiles, drawings on a wooden chair.
Check condition first, then decide keep or redo; original flat schematic illustration.
In this article5 sections

For second-hand flat renovation, deal with leaks, drainage, electrics, and windows and doors before cabinets and flooring. Build the brief from condition photos so firms reply to the same issues—not just finished styles.

Assume hidden issues first, then decide on looks

A second-hand flat may have lovely old timber flooring and a slow leak at the same time; cabinets may look tidy while moulding inside. If you order a full set of new cabinets before finding drainage needs relocating, the new work comes out again. Start by listing “inspection” as clear items: bathroom walls, kitchen cabinet plinths, window edges, AC drain, and consumer-unit capacity.

You are not diagnosing the flat yourself—you are handing the signs you see to the firm. Mould, hollow plaster, odours, drainage noise, tripped breakers, and window-edge watermarks all belong in the brief with photos. Homore lets you attach references to your brief so selected firms see the same condition set, not only the finish you want.

Keep, repair, or redo—decide item by item

A second-hand flat need not be fully stripped. Some doors, cabinets, or flooring can stay with cleaning, touch-up paint, or partial replacement. Mark each major fixture as keep, repair, or redo so the quote is not “all new” or “all leave”.

Keeping old pieces has costs too: joining old and new materials, matching discontinued items, and unreliable old waterproofing. Say which imperfections you will accept so the firm does not strip everything “to be safe”, or pretend old waterproofing is fine to keep the price down.

  • For bathrooms and kitchens, settle waterproofing and drainage before cabinet-door colours.
  • List the consumer unit, socket count and air-con load separately—do not assume old wiring is enough.
  • Windows, main doors and balcony doors affect leaks and sound; list them as their own items.

Move-in timing changes the works strategy

Vacant second-hand flats can take a larger scope at once; occupied ones may need leaks and kitchen/bath first. Note whether you can stay elsewhere, have children or pets, or need one bedroom done first. These change protection, programme and phasing—do not leave them until start day. If you are still viewing, list items that can only be measured after completion so unconfirmed sizes are not treated as surveyed.

On Homore, work type can be partial improvement or a fuller renovation, independent of the flat being second-hand. You do not need to choose whole-home renovation just to look serious.

When requesting a quote, mark unknowns as unknown — do not pretend you have measured

Unopened base cabinets and unconfirmed drainage runs should be marked “site check needed”. A firm that gives a range for must-haves and lists what still needs site confirmation is usually more honest than a tidy total with no inspection terms. You can also ask them to write “decide redo only after opening” into the reply, so you are not left with an unexplained total later.

When comparing replies, see how they handle unknowns: whether they inspect before locking cabinet sizes, list waterproofing as its own item, and explain removal of old materials. Homore keeps these replies in the same enquiry so you can compare line by line.

Source honesty still applies to photos of older flats

The condition photos you upload explain problems — they are not portfolio decoration. If a company's public work includes second-hand renovations, it must state the source honestly and cannot pass off unfinished or third-party work as its own. The platform reviews listings but does not verify every old pipe.

If you are still viewing and have not completed, you can still draft “first jobs if I buy” from public info. You can revise later—do not treat it as a surveyed construction drawing.

Key takeaways

  1. In second-hand flats, deal with leaks, drainage, electrics, and windows and doors before choosing surface finishes.
  2. Mark keep, repair, or redo item by item—avoid all-strip or all-keep extremes.
  3. Unknown items should be written as site confirmation — not covered by a falsely complete total.

FAQ

FAQ

Does a second-hand flat always need a whole-flat renovation?

Not necessarily. If structure, drainage, and electrics are largely sound, partial upgrades may suit better. List must-fix issues first, then decide whether to widen the scope.

I have not bought yet. Can I request a quote first?

You can draft a provisional brief and note that the flat is not yours yet and sizes may be rough. For a formal quote request, update once you can give a more accurate picture.

If old finishes look new, do you still need to inspect?

Yes. Looking new does not mean waterproofing and drainage are sound. List inspection as an item—safer than keeping everything on looks alone.

Next

Write problems you see into the brief, then decide keep or redo

Use condition photos and item-by-item decisions so firms reply to the same second-hand flat questions. Style can wait; hidden works should not surface only after the fact.

Back to the top of the article

Homore Renovation journal

Compiled by the Homore editorial team to help you read the details before you ask for quotes or sign.

This is editorial guidance on Hong Kong home renovation — not a works quote, legal advice, or Housing Authority / Buildings Department approval. Actual limits follow the relevant departments, the deed of mutual covenant, and written confirmation from the firm you select.

Editor images illustrate the article topic; they are not proof of a company’s completed works.

Methodology · Open datasets · About Homore