Our Data Sources
86, Chiltern Street 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 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 86, Chiltern Street would be worth £2,494,504, with a potential rental value of £9,886 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £2,209,418, with a rental value of £8,757 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
86, Chiltern Street has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 25 Feb 2026.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and underfloor heating, mains gas.
Properties Sold Nearby
Land Registry records and our Estate Agent network show 697 sales within 200 metres of 86, Chiltern Street across the last 2 years.
Most recently, Flat 4B, Portman Mansions, Chiltern Street, London, W1U 6NS, a leasehold flat, sold at £1,200,000 on the 28th July 2025.
Read more about house prices in W1.
- Sold Jul 2025£1,200,000 | 2 Bed FlatFlat 4B, Portman Mansions, Chiltern Street, London, W1U 6NSFlat 4B, Portman Mansions, Chiltern Street, London, W1U 6NS
- Sold Aug 2024£3,050,000 | 3 Bed FlatFlat 5G, Portman Mansions, Chiltern Street, London, W1U 5AHFlat 5G, Portman Mansions, Chiltern Street, London, W1U 5AH
- Sold Mar 2020£900,000 | 3 Bed House2, Romney Mews, London, W1U 5DT2, Romney Mews, London, W1U 5DT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 86, Chiltern Street as the 78th largest and the 87th most expensive of the 392 addresses on Chiltern Street, London, W1.
Against the W1 postcode district average, it is £238k more expensive than the typical property.
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Schools Nearby
- St Vincent's Catholic Primary School400 m away
- St Mary's Bryanston Square CofE School500 m away
- St Edward's Catholic Primary School700 m away
- The St Marylebone CofE School300 m away
- Marylebone Boys' School1.5 km away
- Maria Fidelis Catholic School FCJ1.9 km away
More reading links
Public Transport Nearby
- Baker Street|100 m away
- London Marylebone|500 m away
- Marylebone|500 m away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
