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According to the public record, 21, Coston Walk is a mid-century leasehold apartment with 861 ft2 of internal area.
Apartments of this size in this area normally have 3 bedrooms.
Based on available information, and assuming reasonable condition, the estimated sale value for 21, Coston Walk is £391,758 and the estimated rental value is £1,934 per month.
Coston Walk, London, SE4 is located in the borough of Lewisham within the SE4 postal district.
21, Coston Walk has 2 entries in the Land Registry , most recently in February 2026 and a single entry in the EPC database dated December 2025.
We combine this information with that 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.
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 21, Coston Walk is in very good condition we estimate a sale value of £411,345 and a rental value of £2,031 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £364,334 and a rental value of £1,799 per month.
Over the last 12 months the sale value of 21 Coston Walk has decreased by an estimated £4,468 (1.1%) and its rental value has increased by an estimated £96 per month (5.0%), giving an expected gross yield of 5.9%.
21, Coston Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Dec 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 21, Coston Walk was last sold on 12th February 2026 for £395,000 and was recorded as a leasehold flat.
The property has had 2 sales since 1995.
Since February 2026, the market for similar properties has risen 47.7%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 21, Coston Walk within a radius of 390 metres over the last 2 years.
The most recent example is 53, Barville Close, London, SE4 2LN, a leasehold flat which sold for £310,000 on the 11th June 2025.
Read more about house prices in SE4.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Coston Walk, London, SE4 has a total of 77 addresses. According to our analysis of all the public data, 21, Coston Walk is the 25th largest and the 56th most expensive property on the street.
When compared to the postcode district it is £214k less expensive than the average property in SE4.
The nearest school is Ivydale Primary School which is 200 metres away. The nearest train station is Brockley which is 600 metres away.
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