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House extensions in Southampton

Single and two-storey extensions across Southampton, Romsey, Eastleigh, Winchester and the New Forest, built by a family-run team with 40+ years’ experience.

House extensions

More room, without moving house

Whether you need a bigger kitchen-diner, a family room that opens onto the garden or extra bedrooms upstairs, an extension is often the simplest way to get the space you need without the cost and upheaval of moving.

We build extensions to sit naturally with your home, matched in brick, render or cladding, and we manage the whole build with one point of contact, so you always know what’s happening.

We’re happy to work from your architect’s drawings or with our designers, and we’ll help you with planning and Building Regulations.

From our Instagram

Bungalow to two-storey home

A project we did back in 2018, and one we’re still very proud of. We took the roof off a bungalow and built it up into a full two-storey house, adding a whole new floor of living space.

What we build

Extensions for every kind of home

Kitchen extensions

Open-plan kitchen-diners with room to cook, eat and relax together, often with glazed doors onto the garden.

Single-storey rear and side extensions

The most popular way to add ground-floor space. Many fall under permitted development.

Two-storey extensions

More space upstairs and down, such as an extra bedroom and bathroom above a bigger kitchen.

Wrap-around extensions

Extending along the side and back together for the biggest change to your ground floor.

Garden rooms

A light, comfortable room that brings the garden into the house.

Working from your drawings

Already have plans? We can build from your architect’s drawings or help you get them drawn up.

How it works

From first phone call to handover

1

Free visit and quote

We come to see the site, talk through your plans and give you a clear written quote.

2

Agree drawings and price

Scope, drawings and price are agreed in writing before any work starts.

3

Build, with regular updates

One point of contact and regular progress updates, so there are no surprises.

4

Handover and aftercare

We walk through the finished work with you, leave the site clean and stay in touch.

Questions

Extension questions

Do I need planning permission for an extension?

It depends on the size, type and location. Many single-storey extensions fall under permitted development, but homes in conservation areas or the New Forest are treated differently. Building Regulations approval is separate and needed for most extensions. See our guide to planning permission.

Single or two-storey: which is right for me?

It depends on the space you need, your budget and your plot. Read single or two-storey: which extension suits your home?

Can I stay at home while you work?

For most extensions, yes. We'll explain in advance which days will be noisy or dusty, and how we'll protect the rest of the house.

How long will my extension take?

It depends on the size and complexity, so we won't guess before we've seen it. Your quote includes a realistic programme.

Our work

Recent projects

A selection of our recent work.

Planning an extension or new build?

Tell us about your project and we’ll arrange a free site visit.

maidanbuild logo final

Family-run builders of extensions, renovations, new homes and outdoor spaces in Southampton and across Hampshire.

Contact

07788 975194
Maidanbuild@gmail.com
Tagus House, 9 Ocean Way
Southampton SO14 3TJ

© 2026 Maidanbuild Homes Limited · Company no. 11122127