Oak larder cupboard opened to show shelves and drawers.

Interior design in Westminster.

Central London · SW1 · Central London apartment, interiors and joineryCompleted work, photograph

Interiors for Westminster’s Georgian terraces and mansion blocks near the river. Almost all are leasehold apartments.

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Leasehold apartments, handled with care.

SW1P · SW1H
Georgian terraces and mansion blocks
Leasehold
The lease shapes what can change
76%
Of the city in conservation areas

NU Projects is a design and build company in Fulham SW6, founded in 2010. We handle interior design and fit-out in Westminster SW1P, under one contract. The calculator gives your own range in a minute, by scope and finish. Call 020 7731 6841, and a budget estimate typically follows within seven days.

By the river, most homes are flats in Georgian terraces or mansion blocks. A whole house is unusual.

Mansion flats come with solid walls, deep skirtings and tall doors. We keep those, then layer in light, joinery and fabric. Silk curtains and rugs soften the echo.

Neighbours want weekday quiet. So noisy stripping out is batched into short, agreed windows. Upholstery and loose furniture arrive last, once the dust has gone.

If the building is listed, alterations touching its character need consent. Like for like redecoration usually does not. Furniture and fabrics never do.

Our nearest finished flat is in SW1. It has silk lined curtains and an oak larder. A Belgravia apartment with a copper shelved cinema is a short walk further.

What the council allows in Westminster.

Council
City of Westminster.
Conservation areas
56 of them, over roughly 76% of the city.
Listed buildings
Over 11,000 across the city.
Plan form
A listed building’s original hierarchy of spaces must be kept.
Leases
The freeholder’s licence may be needed before work inside begins.

Source: Westminster’s conservation areas and listed buildings guidance. Read on 25 October 2026. Policies change, so we read them again for your address.

Apartments finished in SW1.

Bathroom with a pale vanity, marble top and wide mirror.

Central London·Apartment

Central London apartment, interiors and joinery

An oak larder cupboard, in a central London apartment in SW1.

See the project
Cinema room with a deep corner sofa and copper shelving.

Belgravia·Apartment

Belgravia apartment, full refurbishment

A cinema room with copper shelving, nearby in Belgravia.

See the project

Completed work, photographs

What interior design costs in Westminster.

The design fee is priced per project, once the brief is set.

Open the calculatorThe 2026 cost guide

Which interior changes in a Westminster flat need the freeholder’s licence?

The lease says, clause by clause.

Moving a kitchen or bathroom often needs it. Paint and furniture rarely do.

Can silk curtains and timber floors work in a Westminster mansion flat?

Yes. Lined curtains and rugs also calm the echo of tall rooms.

Some leases ask for acoustic underlay below hard floors.

How do you keep noise down for neighbours in a Westminster block?

Loud stripping out is batched into short, agreed windows.

Neighbours hear from us before each one.

Is there a finished NU apartment close to Westminster?

Yes, a central London flat in SW1.

A Belgravia apartment is a short walk further.

Tell us about your home in Westminster.

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What is the work?

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