Selling a house in Islamabad, like selling a property in any other city, typically involves several steps. Here’s a general overview of the process:

1. Property Valuation: The first step is to determine the value of your house. You can hire a professional appraiser or consult with real estate agents to get an estimate of the market value of your property.
2. Preparation: Prepare your house for sale. This may involve cleaning, repairing, and staging your property to make it more appealing to potential buyers. Curb appeal is crucial.
3. Legal Compliance: Ensure that all the legal documentation related to your property is in order. This includes property deeds, clear title, and any necessary permissions.
4. Real Estate Agent: You can choose to work with a real estate agent. They can help you list your property, market it, and find potential buyers. Real estate agents can also help with negotiations and paperwork.
5. Listing: Create a detailed listing of your property. Include high-quality photos, a compelling description, and all relevant details such as size, number of bedrooms, bathrooms, and special features.
6. Marketing: Promote your property through various channels. This may include online listings on websites like Zameen.com and OLX, as well as traditional marketing methods.
7. Showings: Arrange viewings for interested buyers. Be prepared to answer their questions and highlight the features and benefits of your property.
8. Negotiations: When a buyer expresses interest, be prepared to negotiate the price and terms of the sale. This may involve multiple rounds of offers and counteroffers.
9. Acceptance of Offer: Once you and the buyer agree on the price and terms, you’ll accept the offer. At this point, a contract is usually drafted.
10. Due Diligence: The buyer will typically conduct inspections and any necessary due diligence to ensure the property is in the condition as represented.
11. Finalizing the Sale: After all inspections and conditions are met, you can proceed with the final sale. This involves signing the necessary legal documents and transferring the property to the buyer.
12. Handover and Possession: Once all the paperwork is completed and the buyer has made the payment, you hand over possession of the property to the new owner.
13. Legal Process: The final step involves registering the property transfer with the relevant authorities and updating all legal documents.

Remember that local real estate laws and regulations may vary, so it’s a good idea to consult with a real estate attorney or professional who is familiar with the specific processes and requirements in Islamabad. Also, consider seeking advice from a local real estate agent for a smooth and efficient selling process.