ePrivacy and GPDR Cookie Consent by Cookie Consent Architectural, design and planning support in Portsmouth

Architectural, design and planning support in Portsmouth

3 min read
Oct '25 • by Molly-Sue Moore

Quick summary

In Portsmouth, the cost of a home extension varies based on size and materials, but you can use the quick quote calculator online for an estimate. Planning permission success is high at 86.8%, though larger or more modern extensions in conservation areas may face more restrictions. It’s wise to consult local experts to improve your chances.

If you're considering enhancing your Portsmouth home, partner with us for expert architectural design and construction advice.

We’ve got an impressive 91%* success rate in securing planning permission for our customers. We’ve also completed over 7,000 projects nationwide. Whether you need assistance with your project from start to finish or specific guidance when it comes to design and planning, finance or construction.

Our in-house experts streamline the process, from creating architectural drawings to navigating the planning permission process and connecting you with local contractors, making the long process of getting a home extension that little bit easier.

If you’re a homeowner in Portsmouth, you’ll know how rich and varied an area it is. You might be drawn to the grand Edwardian and Victorian villas, vibrant art scene and unique cluster of indie bars and restaurants of Southsea that feel curiously more Shoreditch than coastal South East. Whatever it is you love about living in Pompey, it might be that your living space is not just cutting the mustard. You might just need a helping hand to get it done. And that’s where we come in.

Read on to learn more about how we can give your home extension ideas the best opportunity of coming to life.

With the right planning support, Portsmouth’s iconic seafront could be to huge residential extension opportunities

Speak to an expert

Our expert team offer free 30 minute phone consultations to help with your project.

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