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Case studySt Margarets · TW1

St Margarets house, on site now

A 4,500 sq ft family house with a new kitchen extension. We designed and are fitting every room.

Where: St Margarets, TW1
The home: A 4,500 sq ft family house
The work: Kitchen extension, full interior design and fit out
On site: Since May 2026
Status: On site now

The front of the house before the work — St Margarets · The front of the houseBefore the work, photograph

i The brief

A family house, opened to the garden.

A new kitchen extension, and every room designed by us.

A 4,500 sq ft house over four floors.

We are building a new kitchen extension out to the garden.

Inside, we designed and are fitting every room.

Panelling, joinery, bathrooms, floors and glazing.

ii Before

The house as we found it.

Photographed before work began.

The old kitchen, before the work — St Margarets · The old kitchenBefore the work, photograph

The drawing room, before the work — St Margarets · The drawing roomBefore the work, photograph

The entrance hall, before the work — St Margarets · The entrance hallBefore the work, photograph

The stair, before the work — St Margarets · The stairBefore the work, photograph

A bathroom, before the work — St Margarets · A bathroomBefore the work, photograph

The back of the house and the terrace, before the work — St Margarets · The back of the house and the terraceBefore the work, photograph

iii The extension

Out to the garden.

The back wall came out and the new extension went up.

New glazed doors open the kitchen to the terrace.

The new extension slab poured — St Margarets · The slab pouredDuring the work, photograph

The back wall opened for the extension — St Margarets · The back wall openedDuring the work, photograph

Blockwork for the extension going up — St Margarets · Blockwork going upDuring the work, photograph

The extension framed, new glazed doors in — St Margarets · Framed, doors inDuring the work, photograph

The new terrace steps being built — St Margarets · The terrace stepsDuring the work, photograph

The extension roof joists over the new glazing — St Margarets · Roof joists over the glazingDuring the work, photograph

Looking out through the new glazing of the kitchen extension — St Margarets · Through the new glazingDuring the work, photograph

iv The fit out

Every room, rebuilt inside.

Panel mouldings on the stair, new bathrooms and built-in joinery.

Floors laid and walls made ready for decoration.

New panel mouldings on the stair — St Margarets · Panelling on the stairDuring the work, photograph

The stairwell, panelled floor by floor — St Margarets · The stairwellDuring the work, photograph

The landing under its roof light — St Margarets · The landingDuring the work, photograph

Panel mouldings marked out on the landing — St Margarets · Mouldings marked outDuring the work, photograph

A bedroom plastered and ready — St Margarets · A bedroom, plasteredDuring the work, photograph

A bedroom with its new window — St Margarets · A bedroom windowDuring the work, photograph

A bathroom stud wall, plumbing in — St Margarets · A bathroom, plumbing inDuring the work, photograph

New stud walls for an ensuite — St Margarets · Ensuite stud wallsDuring the work, photograph

Built-in wardrobes going in — St Margarets · Wardrobes going inDuring the work, photograph

Large format floor tiles being laid — St Margarets · Floor tiles going downDuring the work, photograph

New glazed doors to the garden — St Margarets · Doors to the gardenDuring the work, photograph

The drawing room, plastered — St Margarets · The drawing roomDuring the work, photograph

The house is on site now. We will add the finished rooms as they are handed over.

v The team

Who built it.

Led the project: Nick Jeffries, founder
Design, cost and construction: NU Projects, under one contract

The scope Kitchen extension Full interior design Full fit out Panelling and joinery Bathrooms New glazing Terrace Project management

Services on this jobDesign and build House extensions Bespoke joinery Construction project management

More workPrime London

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