A private golf simulator room below a London house: a large impact screen, a hitting mat, walnut joinery, a bar and a lightwell.

Basement golf simulator rooms in Marylebone.

Golf simulator room · a private basement golf room, as we would design itVisualisation

A golf room wants width and height that a Marylebone terrace rarely has. A mews or whole house can work.

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Will a golf room fit under Marylebone?

About 4.6 m
Room width makers advise for a full swing
About 3.0 m
Clear height makers advise, 2.85 m at least
Policy 50
Only one storey to find that height

NU Projects is a design and build company in Fulham SW6, founded in 2010. We handle basement golf simulator rooms in Marylebone W1, under one contract. A new basement dig typically runs £500k to £900k. Converting an existing basement runs £180k to £300k. Call 020 7731 6841, and a budget estimate typically follows within seven days.

Honestly, often not under a narrow terrace. Many Marylebone houses are a single room wide. A full swing wants about 4.6 m across. Where the house is narrower, a putting and short game room may suit better.

Height is the second test. Makers advise about 3.0 m clear, and 2.85 m at least. Policy 50 gives one storey under the lowest original floor. So the slab level is settled before anything else.

A wide mews, or a whole house on a deep plot, changes the answer. The room can then stretch under part of the garden. No more than half the garden may be dug. A metre of soil goes back on top.

We have not built a golf room in Marylebone. We renovated a listed apartment here, and built lower floors in Chelsea. One team would design, price and build it.

What the council allows in Marylebone.

Council
City of Westminster, whose January 2026 City Plan holds Policy 50.
Storey
One storey below the lowest original floor. The swing height must fit inside it.
Garden
The basement may run under no more than half the garden.
Soil
A metre of soil and a 200mm drainage layer above any garden section.
Flood risk
Flood zones 2 and 3 need a site specific flood risk assessment.

Source: Westminster’s City Plan, January 2026 edition, Policy 50. Read on 16 October 2026. Policies change, so we read them again for your address.

What a basement golf room costs in Marylebone.

£180k to £300kConverting an existing basement. A project total, from our 2026 cost guide.

£500k to £900k+Digging a new basement. A project total, from our 2026 cost guide.

A golf room almost always means a new dig here.

The guide figures are project totals. Fees, party wall costs and VAT are extra.

Open the calculatorThe 2026 cost guideCan I build it here?

Is a Marylebone terrace wide enough for a golf simulator?

Often not for a full swing, which wants about 4.6 m.

A putting and short game room may suit a narrow house.

How much height does a Marylebone golf room need?

About 3.0 m clear, and 2.85 m at the very least.

We set the slab level first, inside Policy 50’s one storey.

Can a Marylebone golf room run under the garden?

Yes, under no more than half of it.

A metre of soil and a drainage layer go back on top.

Can a Marylebone mews house hold a golf simulator?

A wider mews can, if access allows the dig.

We test the width and the spoil route before design.

Tell us about your home in Marylebone.

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