DHA Karachi Building Plan Approval: How the DHA and CBC Process Works

DHA Karachi is one of the city's most sought-after places to build, and one of the most regulated. Its approval process involves two organisations — the Defence Housing Authority and the Clifton Cantonment Board — and has its own rules on setbacks, coverage, height and basements.

This guide explains how the process works in broad terms. Procedures and requirements change, so always confirm the current requirements with DHA or your architect before you begin.

Two organisations, one process

In DHA Karachi, building plans are submitted to DHA, where the Town Planning and Building Control department scrutinises them against DHA's regulations. Once DHA is satisfied, the plans are forwarded to the Clifton Cantonment Board (CBC), which grants the final sanction.

This is why you will often hear both names mentioned for the same approval — and why a DHA submission needs to satisfy both.

Your architect must be on the CBC panel

DHA submissions must be signed by an architect who is:

• Registered with the Pakistan Council of Architects and Town Planners (PCATP), and
• Listed on the Clifton Cantonment Board's panel of approved architects

Structural drawings and calculations must be prepared and signed by an engineer registered with the Pakistan Engineering Council (PEC). Before appointing anyone, ask them to confirm their panel status — it is a simple question, and the answer matters.

Before you design: check your plot

DHA's regulations are specific to plot size and location. Before design begins, your architect should confirm:

• Setbacks at the front, sides and rear
• Permissible coverage and floor area
• Height and number of floors, including rooftop structures
• Basement rules, which depend on the plot and location
• Parking requirements
• Any restrictions specific to the phase, sector or plot type, such as corner or sea-facing plots

Designing to these limits from the first sketch is far easier than trying to adjust a finished design to fit them.

The typical sequence

While details vary, a DHA project usually moves through these stages:

1. Documents in order. Ownership and transfer documents, and any dues to DHA cleared.
2. Appointing the team. A CBC-panel architect and a PEC-registered structural engineer.
3. Soil investigation. Generally required for larger and multi-storey buildings, and wise for most.
4. Design to DHA's regulations. Plans, elevations and sections, coordinated with the structural drawings.
5. Submission to DHA. Drawings and documents submitted for scrutiny. Expect observations if anything does not comply.
6. Sanction by CBC. After DHA's scrutiny, the plans go to the Clifton Cantonment Board for final sanction.
7. Construction to the approved plans. Inspections may take place at stages during construction.
8. Completion. When the building is finished, a completion plan is submitted so the building can be regularised and occupied.

How long does it take?

The cantonment building bye-laws set a time limit for the Board to decide on a complete application, but real timelines depend on how complete and compliant the drawings are, how quickly observations are answered, and the authorities' workload. Incomplete or inconsistent submissions are the most common cause of delay. Build approval time into your overall programme — see how long it takes to design and build a house.

Building near the sea

Many DHA plots are close to the coast. Salt air speeds up the corrosion of reinforcement and metalwork, and groundwater can be high near the sea, which affects basements and underground tanks. These are not approval issues, but they should shape the design and specification from the start. Read designing for Karachi's climate.

Common mistakes in DHA

• Appointing an architect who is not on the CBC panel.
• Designing first and checking the regulations later.
• Building beyond the approved plans — extra coverage, height or rooftop rooms. Violations are visible and difficult to regularise.
• Leaving the completion plan until you need to sell.

Building in DHA?

We design new houses, rebuilds and renovations across DHA's phases. Read more about our work in DHA Karachi, see our residential architecture services, or contact the studio to discuss your plot.