A full house renovation is not a large version of a small one. A bathroom refit is a project. Renovating an entire house is a sequencing problem, where the order in which the work happens determines whether it finishes in five months or eleven, and whether you pay for the same wall twice.
This guide is about that sequence. It covers what has to be decided before demolition, the correct order of the phases, how long each realistically takes in Karachi, what the permit position is, and whether you can live in the house while it happens. For the money side, our Karachi home renovation cost guide carries the full cost tables by scope, area, and finish tier, and we will point to it rather than repeat it here.
What Counts as a Full House Renovation
Three different projects get called the same thing in Karachi, and they have very different processes.
| Scope | What it involves | Typical duration |
|---|---|---|
| Cosmetic full-house refresh | Paint, minor repairs, some fixtures, no wall or service changes | 3 – 6 weeks |
| Standard full renovation | New flooring, bathrooms, kitchen, complete rewiring and replumbing, false ceilings, paint | 3 – 5 months |
| Full gut renovation | The above plus layout changes, wall demolition, structural repair, possibly a floor addition | 5 – 9 months |
Most homeowners who search for a full house renovation want the second, and end up in the third once the walls are opened and the state of the 1990s wiring becomes visible. Planning for the middle scope while budgeting for the possibility of the third is the realistic approach in Karachi's older housing stock.
Karachi's Housing Stock Shapes the Job
A large share of Karachi's renovation demand sits in houses built between the 1970s and the early 2000s, in North Nazimabad, F.B. Area, Gulshan-e-Iqbal, PECHS, Bahadurabad, Nazimabad, and the older DHA phases. That vintage brings a predictable set of conditions:
Electrical systems designed for a fraction of today's load. A house wired in 1985 was not wired for multiple air conditioners, a UPS or inverter setup, and now frequently a solar system. Partial rewiring on that base is a false economy. On a full renovation, plan for complete rewiring with an upgraded distribution board.
Galvanised iron plumbing at or past end of life. GI pipe corrodes internally, and the failure mode is a leak inside a wall or floor. If the house still has original GI supply lines, replacing them is not optional work, it is the reason to renovate now rather than in three years.
Waterproofing that has been patched rather than replaced. Karachi roofs, bathroom floors, and the base of external walls all take sustained water exposure, and the standard remedy has been another layer of patching. A full renovation is the only sensible moment to strip and redo it properly, because doing it later means breaking finished surfaces.
Salt exposure in coastal areas. In Clifton, the DHA phases nearer the sea, and other salt-air zones, expect plaster deterioration, rebar corrosion in older concrete, and shorter life on standard fixtures. Specification has to change for these properties, not just quantities.
Layouts built around a different way of living. Small closed kitchens, no provision for a laundry area, single-point water heating, and bathrooms too small for a modern fitout. This is what drives layout change, and layout change is what turns a standard renovation into a gut.
Do You Need Permission to Renovate in Karachi?
The short answer: cosmetic and finish work generally does not require approval, and anything structural does.
No approval typically required for painting, replacing flooring, refitting a bathroom or kitchen within the existing layout, false ceilings, rewiring, replumbing within existing walls, and door or window replacement in existing openings.
Approval required for demolishing or relocating walls where they carry load, adding a floor or extending covered area, changing the building's external envelope, converting use, or anything that alters the sanctioned plan.
Which authority you approach depends on where the property sits. Most of Karachi answers to the Sindh Building Control Authority, and our SBCA building regulations guide sets out that process. DHA properties go through DHA's own Town Planning and Building Control directorate under the DHA construction rules. Cantonment areas and Bahria Town each have their own bodies.
One warning worth stating plainly. On older Karachi houses, the wall you want to remove to open up the living area is frequently load bearing, and it is frequently not obvious which walls are. Get a structural engineer to assess before any wall comes down, not after. Removing load-bearing masonry without a designed replacement is the single most dangerous thing that happens on unmanaged Karachi renovation sites.
The Correct Sequence, Phase by Phase
This is the part that separates a renovation that runs cleanly from one that eats its own work. The rule underneath all of it: everything that opens a surface must finish before anything that closes one.
Phase 1: Survey, design, and scope freeze (3 to 6 weeks)
Before anything is touched, the house is surveyed, the existing services traced, structural condition assessed, and the new layout and specification fixed. This phase produces the drawings, the material specification, and the written scope of work.
This is also the phase homeowners try to compress, and compressing it is the most expensive decision available. Every unresolved decision carried into construction becomes a change order later, at a worse price and with a schedule cost. Our scope of work guide covers what this document needs to contain.
Phase 2: Procurement and mobilisation (2 to 4 weeks, overlapping)
Long-lead items are ordered: tiles in a single dye lot, sanitary ware, kitchen units, doors and joinery, any imported finish. Site protection is set up, and material is staged. In Karachi this phase also means front-loading stock before known disruption windows, which we will come to.
Phase 3: Demolition and stripping (1 to 3 weeks)
Removal of existing flooring, wall and floor tiling, old fixtures, false ceilings, redundant wiring and plumbing, and any walls scheduled for removal. Debris removal in Karachi is a real logistical line item, not an afterthought, particularly in dense areas where a skip cannot simply be parked outside.
On a gut renovation that strips out old wiring, plumbing, doors, window frames and fixtures at scale, that stripped-out material has genuine scrap and salvage value. We assess it before stripping starts and sell it into the scrap market ourselves, then credit what it realises against the project cost rather than letting a demolition crew clear it and keep the value. Ask your contractor how this is handled before work starts, not after the skip is already loaded. Where a renovation involves demolishing a full existing structure rather than stripping out finishes, see our demolition cost guide for realistic rates by size and storey count, and our scrap value guide for how the credit is calculated.
Phase 4: Structural work and repairs (2 to 6 weeks, if applicable)
Beams and lintels where walls have been removed, column or slab repair, crack treatment, and any strengthening required for an added floor. Nothing that follows can start until this is signed off.
Phase 5: Waterproofing (1 to 2 weeks)
Roof, bathroom and kitchen floors, balconies, and any external wall base with a damp history. This phase sits here, before services close and finishes go on, and it must not be resequenced for convenience. Redoing waterproofing after tiling means removing the tiling.
Phase 6: MEP rough-in (3 to 5 weeks)
Complete rewiring in conduit, distribution board upgrade, supply and drainage plumbing, provision for gas, air conditioning points, and increasingly solar and inverter cabling. Everything that will live inside a wall or ceiling goes in now.
Test before you close anything. Pressure test the plumbing, continuity test the circuits. A leak found now is a fitting; a leak found after tiling is a demolition.
Phase 7: Plaster and surface preparation (2 to 4 weeks)
Chases closed, walls made good, new plaster where required, and curing time respected. Rushing curing to hit a schedule produces the cracking that appears three months after handover.
Phase 8: Flooring and tiling (3 to 5 weeks)
Floors, bathroom and kitchen wall tiling, skirting, and thresholds. Costs by material sit in our flooring tiles price guide.
Phase 9: False ceilings and joinery (3 to 5 weeks)
Gypsum or POP ceilings with cove and lighting provision, kitchen cabinetry, wardrobes, doors, and fixed furniture. Joinery is measured against the built condition, not against the drawing, which is why it happens here rather than earlier. Ceiling rates by material, and the frame spacing that decides whether it sags, are in our false ceiling cost guide.
Phase 10: Painting (2 to 3 weeks)
Primer, filling, and finish coats. In Karachi's heat and humidity, cutting the number of coats to save money is visible within two summers.
Phase 11: Fixtures, fittings, and second fix (2 to 3 weeks)
Sanitary ware, taps, switches and sockets, light fittings, kitchen appliances, mirrors, and hardware.
Phase 12: Deep clean, snagging, and handover (1 to 2 weeks)
A written snag list, worked through to completion, then handover with warranties, and the as-built information on where services actually run. That last item matters more than it sounds: the next person to drill into your wall will want it.
Realistic Timeline for a Karachi Full House Renovation
| Project | Realistic duration |
|---|---|
| Cosmetic full-house refresh | 3 – 6 weeks |
| Standard full renovation, 1,500 to 2,500 sq ft | 3.5 – 5 months |
| Standard full renovation, 3,000 sq ft and above | 5 – 7 months |
| Full gut with layout changes | 6 – 9 months |
| Full gut plus floor addition | 8 – 12 months, plus approval time |
These durations already include a 15 to 20 day buffer per major phase, and that buffer is not padding. Karachi's construction calendar has genuine, predictable interruptions that an honest schedule accounts for from the start:
- A significant portion of the labour workforce treats Friday as a half or full day
- Eid ul-Fitr and Eid ul-Adha bring one to two week stoppages as workers travel home
- Muharram and other observances cause partial stoppages depending on labour composition
- City-wide strikes can halt a site with no notice
- Monsoon affects roof work, waterproofing, and external finishing between roughly July and September
A contractor who quotes you a three month full renovation on a five-day working week, with none of the above accounted for, is not being optimistic. They are quoting a schedule that has never been achieved. We set this out in more detail in our Karachi construction timeline guide.
Can You Live in the House During the Renovation?
Sometimes, and it costs you time when you do.
A cosmetic refresh can usually be done room by room while occupied, with disruption but no relocation.
A standard full renovation is technically possible to live through if the house has more than one bathroom and you can seal off zones, but complete rewiring and replumbing means extended periods without power or water in parts of the house, and dust from tiling and plaster travels everywhere. Phasing a renovation around an occupied house typically adds 30 to 50 percent to the duration, because trades cannot run in parallel across the whole property.
A full gut renovation requires moving out. There is no sensible way around it.
The honest arithmetic is worth doing rather than assuming. Compare a few months of rent against the cost of a longer programme plus living through it. For most families doing a standard or gut renovation, moving out is both cheaper and considerably better for everyone's sanity.
For apartment owners, the constraints are different again, particularly around building society permissions, service lift access, and working hours. We cover those in the apartment renovation guide.
Where Full House Renovations Go Wrong in Karachi
Starting demolition before the design is final. The most common and most expensive mistake. Once walls are open, every remaining decision is made under time pressure with the contractor waiting, which is the worst possible negotiating position.
Treating the scope as a conversation rather than a document. On a project with twelve phases and dozens of specification points, memory is not a scope. Everything in writing before demolition, including how variations get priced when they arise. Insisting on that is not distrust, it is the mechanism that prevents a mid-phase renegotiation.
Hiring separate trades and coordinating them yourself. It looks cheaper per trade. What it actually does is make you the sequencing manager for a twelve-phase project, and it means every interface failure between trades is yours to absorb. When the tiler and the plumber disagree about who created the problem, there is no single party responsible for solving it. Our comparison of hiring labour directly versus a contractor walks through what that actually costs.
Skipping waterproofing to fund a better finish. Universally regretted. The finish you bought instead is the finish that gets damaged.
Under-specifying concealed services. Cheap cable and pipe inside a wall saves a small amount now and costs a wall later.
Paying too much too early. Payments tied to calendar dates rather than verified physical progress remove your only real leverage. Tie every release to a completed and inspected stage.
No allowance for what is found behind the walls. In a house of this vintage, something unexpected will appear. Carry a genuine contingency of 10 to 15 percent rather than a notional one.
Why a Single Point of Contact Matters on a Full Renovation
A full house renovation involves demolition crews, masons, a structural engineer, electricians, plumbers, waterproofing specialists, tilers, gypsum installers, carpenters, painters, and fixture fitters. Twelve phases, each dependent on the one before it, each with its own material requirements and its own opportunity to hold up everything downstream.
The value a renovation contractor adds is not any individual trade. It is that one party owns the sequence, holds the schedule, procures the materials to arrive when they are needed rather than a month early or a week late, and absorbs the coordination failures that would otherwise land on you.
Naffees & Sons has renovated Karachi homes since 1972, across North Nazimabad, DHA, Clifton, PECHS, Gulshan-e-Iqbal, and beyond. We survey before we quote, we put the scope and specification in writing before demolition, we tie payments to verified physical stages rather than dates, and we hold the price we quote at contract signing regardless of how material and fuel costs move afterwards. We also run a seven day rotation, which is unusual in this market and is a large part of how our schedules hold through Karachi's disruption calendar.
Frequently Asked Questions, Full House Renovation in Karachi
How long does a full house renovation take in Karachi? A standard full renovation of a 1,500 to 2,500 sq ft house takes 3.5 to 5 months. Larger properties run 5 to 7 months, and a full gut with layout changes takes 6 to 9 months. These durations include realistic buffers for Karachi's labour and holiday calendar.
How much does a full house renovation cost in Karachi? A standard full renovation generally runs PKR 1,500 to 2,800 per sq ft, and a full gut renovation PKR 2,800 to 4,500 per sq ft, with luxury specification in DHA and Clifton going considerably higher. Full tables by area and finish tier are in our home renovation cost guide.
Do I need SBCA permission to renovate my house in Karachi? Cosmetic and finish work within the existing layout generally does not require approval. Anything structural does, including removing load-bearing walls, adding covered area, adding a floor, or changing the external envelope. DHA, cantonment, and Bahria Town properties go through their own authorities rather than SBCA.
Can I live in my house during a full renovation? During a cosmetic refresh, yes. During a standard full renovation it is possible but adds roughly 30 to 50 percent to the duration and means extended periods without power or water in parts of the house. During a full gut renovation, no.
What order should renovation work happen in? Survey and design, procurement, demolition, structural work, waterproofing, MEP rough-in, plaster, flooring and tiling, ceilings and joinery, painting, fixtures, then snagging and handover. The governing rule is that everything which opens a surface must be complete before anything that closes one.
Should I renovate room by room or all at once? All at once is faster and cheaper per square foot, because trades work continuously rather than remobilising for each room. Room by room only makes sense when you must stay in the property or when the budget has to be spread across financial years.
What contingency should I budget for a full renovation? Ten to fifteen percent on an older Karachi property. Once walls and floors are opened on a house built in the 1980s or 1990s, wiring, plumbing, and damp conditions are routinely worse than the pre-demolition survey could establish.
Is it cheaper to renovate or to demolish and rebuild? Renovation is usually cheaper when the structure is sound and the layout is broadly workable. Rebuilding starts to compete when the structure needs major repair, when the layout requires most walls to move, or when you want more covered area than the existing envelope allows. A structural assessment before you commit answers this properly.
Which renovation work should never be skipped to save money? Waterproofing, complete rewiring on older properties, replacement of end-of-life galvanised iron plumbing, and structural repair. Each of these is concealed by later finishes, which means postponing them means destroying finished work to reach them.
Plan Your Full Home Renovation With Us
Naffees & Sons manages the entire renovation from survey to handover as a single point of contact: drawings, permissions where needed, materials, every trade, and the sequence that holds it together.
Book a Renovation Site Survey →
Related guides:
