Build Your Dream Home with Citadel Construction

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 Transform your home with a high-quality extension from Citadel Construction. Serving Southend-on-Sea and Greater London. Get a free quote today!

Whether you need a larger kitchen, extra bedrooms, or open-plan living space, Citadel Construction specialises in beautifully crafted extensions that add space, value, and style to your home.

We handle everything from design and structural work to finishing touches — delivering a seamless build with minimal disruption.

• ✅ Local team serving Southend-on-Sea & London
• ✅ Full project management (design → completion)
• ✅ Approved contractors with leading UK accreditations
• ✅ Transparent pricing & staged payments
• ✅ Stunning results tailored to your style & budget

 Single-story rear extensions — perfect for kitchen/dining upgrades

• Double-story extensions — add bedrooms, bathrooms & living space
• Side return extensions — ideal for London terraced homes
• Wrap-around extensions — maximise footprint & property value
• Garage conversions — fast way to create new living space

Not sure if you need planning permission? We’ll advise you on:

• Permitted development rights
• Structural requirements
• Local council approvals
• Party wall agreements (London specialists)

✨ 4m kitchen extension in Southend SS2 with skylights

✨ Wrap-around extension in Kensington, London W8

✨ Double-storey extension in Leigh-on-Sea with rear balcony

Ask to see our full portfolio — before & after photos available.

We offer free consultations across Southend & Greater London.

📞 Call: 07814 387854

📩 Or request a quote via the contact form

Turn your home into the space you’ve been dreaming of.