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Marathon House, Marylebone Road: Apartments and Area Guide

For tenants, buyers and owners at Marathon House, NW1.

Marathon House, Marylebone Road: Apartments and Area Guide Property Management & Rentals/ Lettings

Updated October 2026 · Fraser Bond

Building · Marylebone NW1

Marathon House

1960stower conversion
Viewsover London
Marylebone& Regent's Park
Lettings& sales
In short: Marathon House at 200 Marylebone Road is a 1960s office tower, originally built as Castrol House, converted into apartments. Upper floors have wide views over London, and the building sits opposite Marylebone station, a short walk from Regent's Park, Baker Street and Marylebone High Street. Apartments come up to rent and buy when owners decide to let or sell. Fraser Bond helps tenants and buyers find homes here and helps owners let and manage them.
Transport

Marylebone and Baker Street stations, with Edgware Road nearby.

Green space

Regent's Park within walking distance.

Lifestyle

Marylebone High Street's shops and cafés.

Building

A converted landmark tower with views.

Renting at Marathon House? Estimate your move-in costs
Weekly rent–
Holding deposit (max 1 week)–
Tenancy deposit (5 weeks, or 6 if rent is £50k+ a year)–
Rent in advance (max 1 month)–
Total to move in–
Annual income typically needed–

Caps under the Tenant Fees Act 2019 and the Renters' Rights Act rules in force from 1 May 2026 (England). The holding deposit is usually credited towards the first rent or deposit.

Landlord net income
Net before tax and mortgage–

Enter your actual service charge.

Frequently asked questions

Where is Marathon House?

200 Marylebone Road, opposite Marylebone station.

What was it before?

A 1960s office tower, originally Castrol House.

Can Fraser Bond let my flat there?

Yes.

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