Our Data Sources
299, Old Farm Avenue, Sidcup has 2 entries in the Land Registry, most recently in February 2026 and a single entry in the EPC database dated September 2025.
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 299, Old Farm Avenue, Sidcup, we estimate a market value of £524,310 and a rental value of £2,243 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £464,388 and £1,987 per month respectively.
Plot Size
HM Land Registry records the plot of land for 299, Old Farm Avenue, Sidcup as measuring 218 m2.
That makes it the 41st largest plot in the postcode, where 36 of the 38 other houses have recorded plot data.
Energy Efficiency
299, Old Farm Avenue, Sidcup has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Sep 2025.
The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 299, Old Farm Avenue, Sidcup completed on 16th February 2026 at £525,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 5.9% over the period since February 2026.
- Sold Feb 2026£525,000
- Sold Aug 2020£310,000
Similar Properties Sold Nearby
Since 2014 236 properties similar to 299, Old Farm Avenue, Sidcup have sold within a radius of 540 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 25th March 2026, was 340, Old Farm Avenue, Sidcup, DA15 8AS, a freehold house which sold for £500,000.
Read more about house prices in DA15.
- Sold Mar 2026£500,000 | 3 Bed House340, Old Farm Avenue, Sidcup, DA15 8AS340, Old Farm Avenue, Sidcup, DA15 8AS
- Sold Oct 2025£485,000 | 3 Bed House44, Longmeadow Road, Sidcup, DA15 8BH44, Longmeadow Road, Sidcup, DA15 8BH
- Sold Oct 2025£425,000 | 3 Bed House21, Brookend Road, Sidcup, DA15 8BE21, Brookend Road, Sidcup, DA15 8BE
- Sold Jul 2025£539,000 | 3 Bed House92, Pinewood Avenue, Sidcup, DA15 8BD92, Pinewood Avenue, Sidcup, DA15 8BD
- Sold Mar 2025£560,000 | 3 Bed House66, Ellison Road, Sidcup, DA15 8BL66, Ellison Road, Sidcup, DA15 8BL
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £496,524, ranging from £341,134 to £623,197.
- 297 Old Farm Avenue
3 Bed House | 7 m | Est. Value: £466,767
- 303 Old Farm Avenue
3 Bed House | 12 m | Est. Value: £502,481
- 307 Old Farm Avenue
3 Bed House | 25 m | Est. Value: £484,741
- 295A Old Farm Avenue
3 Bed House | 33 m | Est. Value: £561,064
- 309 Old Farm Avenue
3 Bed House | 33 m | Est. Value: £536,326
Location Comparison
Of the 380 addresses on Old Farm Avenue, Sidcup, DA15, 299, Old Farm Avenue, Sidcup comes out as the 255th largest and the 225th most expensive in our analysis of the public data.
It is also £7k less expensive than the average property across the DA15 district.
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Schools Nearby
- Dulverton Primary School200 m away
- Wyborne Primary School900 m away
- Longlands Primary School900 m away
- Leigh Stationers' Academy1.6 km away
- Chislehurst and Sidcup Grammar School1.8 km away
- St Thomas More Catholic Comprehensive School1.8 km away
More reading links
Public Transport Nearby
- New Eltham|800 m away
- Sidcup|1.5 km away
- Mottingham|2.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
