Building & renovation advice for Portsmouth

Everything we've written specifically for homeowners in Portsmouth - typical costs, planning permission considerations, and how to find a builder you can trust locally.

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Kitchen Extension Cost in Portsmouth: 2026 Price Guide

What a kitchen extension costs in Portsmouth, England's only island city, and why plot size is the defining constraint.

Loft Conversion Cost in Portsmouth: 2026 Price Guide

Rooflight, dormer and hip-to-gable loft conversion costs in Portsmouth, where island geography makes going up more valuable than most cities.

How to Choose a Builder in Portsmouth

What to actually check before hiring a builder in Portsmouth, given the island city's unusually tight plot sizes.

Kitchen Extension Planning Permission in Portsmouth

Permitted development limits for a rear kitchen extension in Portsmouth, and why the island's terraces need extra care.

Loft Conversion & Dormer Planning Permission in Portsmouth

Roof volume limits and local rules for a loft conversion or dormer in Portsmouth's terraces.

Find a trade in Portsmouth

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