21, Blenheim Court
21, Blenheim Court
Description & Estimates







21, Blenheim Court, Sidcup is recorded publicly as a mid-century leasehold apartment across 592 ft2 of internal area.
Locally, apartments of this size normally have 2 bedrooms.
Our estimate of the sale value of 21, Blenheim Court, Sidcup is £293,694 and its rental estimate is £1,601 per month, given the available information and assuming reasonable condition.
Blenheim Court, Sidcup, DA14 falls within the DA14 postal district, in the borough of Bexley.
Our Data Sources
21, Blenheim Court, Sidcup has 41 entries in the Land Registry , most recently in October 2022 and a single entry in the EPC database dated April 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Blenheim Court, Sidcup, we estimate a market value of £308,378 and a rental value of £1,681 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £273,135 and £1,489 per month respectively.
Recent Market Change
Over the last year, 21, Blenheim Court, Sidcup has seen its estimated sale value move down by £452 (0.2%) and its estimated rental value increase by £68 per month (4.2%). This results in an estimated gross rental yield of 6.5%.
Energy Efficiency
21, Blenheim Court, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Apr 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 21, Blenheim Court, Sidcup completed on 7th October 2022 at £325,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold 4 times.
Values of comparable properties have dropped by 7.2% over the period since October 2022.
- Sold Oct 2022£325,000
- Sold Apr 2012£170,000
- Sold Nov 2009£125,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 21, Blenheim Court, Sidcup have sold within a radius of 620 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 10th April 2025, was 26, Blenheim Court, Sidcup, DA14 6QQ, a leasehold flat which sold for £320,000.
Read more about house prices in DA14.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 24 addresses on Blenheim Court, Sidcup, DA14, 21, Blenheim Court, Sidcup comes out as the 16th largest and the 14th most expensive in our analysis of the public data.
It is also £138k less expensive than the average property across the DA14 district.
More reading links
Schools Nearby
- 500mDulverton Primary School
- 700mLonglands Primary School
- 900mEdgebury Primary School
- 1.6kmChislehurst School for Girls
- 1.9kmChislehurst and Sidcup Grammar School
- 2.3kmSt Thomas More Catholic Comprehensive School
More reading links
Public Transport Nearby
From 21, Blenheim Court, Sidcup, the nearest station is New Eltham, 1.0 kilometres away.
- 1.0kmNew Eltham
- 1.6kmSidcup
- 2.3kmMottingham
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

