Our Data Sources
23, Montagu Square has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 23, Montagu Square is in very good condition we estimate a sale value of £5,890,018 and a rental value of £24,121 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £5,216,873 and a rental value of £21,364 per month.
Energy Efficiency
23, Montagu Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Feb 2026.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 2 sales of properties similar to 23, Montagu Square within a radius of 240 metres over the last 2 years.
The most recent example is 60, Montagu Square, London, W1H 2LT, a freehold house which sold for £7,800,000 on the 7th November 2024.
Read more about house prices in W1.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Montagu Square, London, W1 has a total of 237 addresses. According to our analysis of all the public data, 23, Montagu Square is the 2nd largest and the 6th most expensive property on the street.
When compared to the postcode district it is £3.471m more expensive than the average property in W1.
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Schools Nearby
- St Mary's Bryanston Square CofE School400 m away
- Hampden Gurney CofE Primary School400 m away
- St Vincent's Catholic Primary School400 m away
- The St Marylebone CofE School600 m away
- Marylebone Boys' School1.2 km away
- Maria Fidelis Catholic School FCJ2.2 km away
More reading links
Public Transport Nearby
- Baker Street|500 m away
- Marylebone|500 m away
- London Marylebone|500 m away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












