Our Data Sources
Flat 3, 129, Park Street has 31 entries in the Land Registry , most recently in January 2020 and a single entry in the EPC database dated March 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate Flat 3, 129, Park Street would be worth £2,120,068, with a potential rental value of £8,132 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,877,774, with a rental value of £7,203 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 3, 129, Park Street has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Mar 2026.
The property is connected to mains gas and has multiple glazing throughout. It is heated using Boiler and radiators, mains gas.
Sold Prices
Flat 3, 129, Park Street last changed hands on 31st January 2020, selling for £1,795,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has dropped by 33.9% since January 2020.
- Sold Jan 2020£1,795,000
- Sold May 2002£552,000
- Sold May 2000£381,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 41 sales of comparable properties within 350 metres of Flat 3, 129, Park Street across the last 2 years.
Most recently, Flat 66, 15, Portman Square, London, W1H 6LJ, a leasehold flat, sold at £2,700,000 on the 7th October 2025.
Read more about house prices in W1.
- Sold Oct 2025£2,700,000 | 3 Bed FlatFlat 66, 15, Portman Square, London, W1H 6LJFlat 66, 15, Portman Square, London, W1H 6LJ
- Sold Jul 2025£2,100,000 | 3 Bed FlatFlat 54, 15, Portman Square, London, W1H 6LJFlat 54, 15, Portman Square, London, W1H 6LJ
- Sold May 2022£13,600,000 | 3 Bed FlatFlat 1, 3, Green Street, London, W1K 6RNFlat 1, 3, Green Street, London, W1K 6RN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks Flat 3, 129, Park Street as the 181st largest and the 191st most expensive of the 268 addresses on Park Street, London, W1.
Against the W1 postcode district average, it is £119k less expensive than the typical property.
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Schools Nearby
- St Vincent's Catholic Primary School600 m away
- St George's Hanover Square CofE Primary School700 m away
- Hampden Gurney CofE Primary School700 m away
- The St Marylebone CofE School1.0 km away
- Marylebone Boys' School1.6 km away
- Westminster City School2.1 km away
More reading links
Public Transport Nearby
- Marble Arch|200 m away
- Bond Street|500 m away
- Bond Street (Elizabeth line)|500 m away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
