Castle Road - CT20 3AG
Key Postcode Insights
CT20 3AG is a residential postcode situated on Castle Road, Sandgate, Folkestone, CT20 with 52 addresses.
It ranks as the 647th largest and 477th most expensive of the 679 postcodes in the CT20 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 52 properties: 9 houses, 30 flats and 13 other properties.
- Ave. Sale Price
- £402,631
- 10 Year change
- up 39.2%
- Ave. Rental Price
- £1,766pcm
- 10 Year change
- up 62.4%
- Ave. £ per ft²
- £336/ft²
- Ave. Gross Yield
- 5.3%/year/yr
Key Postcode Insights
CT20 3AG is a residential postcode situated on Castle Road, Sandgate, Folkestone, CT20 with 52 addresses.
It ranks as the 647th largest and 477th most expensive of the 679 postcodes in the CT20 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 52 properties: 9 houses, 30 flats and 13 other properties.
- Ave. Sale Price
- £402,631
- 10 Year change
- up 39.2%
- Ave. Rental Price
- £1,766pcm
- 10 Year change
- up 62.4%
- Ave. £ per ft²
- £336/ft²
- Ave. Gross Yield
- 5.3%/year/yr
Explore Properties in CT20 3AG
- Beaufort
Modern Building | 14 Units
- Castle Glen
Modern Building | 10 Units
- Sandgate Castle
House
- Seashore House
2 Bed Period Flat
- The Studio
Flat
Sales Market Trends
The last sale in CT20 3AG sold for £240,000 on 25th March 2026. Since then prices are down an average of 0.4%.
The current average value in the postcode is £402,631.
The CT20 3AG Sales Market has increased by 39.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -4.5% | £402,631 |
| June 2025 | 0.3% | £421,571 |
| June 2024 | 0.3% | £420,255 |
| June 2023 | 3% | £419,099 |
| June 2022 | 6.9% | £406,788 |
| June 2021 | 7.3% | £380,402 |
| June 2020 | 5.2% | £354,377 |
| June 2019 | 2.2% | £336,745 |
| June 2018 | 2.9% | £329,556 |
| June 2017 | 10.7% | £320,181 |
| June 2016 | 5.4% | £289,221 |
| June 2015 | 3% | £274,513 |
| June 2014 | 6.4% | £266,551 |
| June 2013 | 3.7% | £250,577 |
| June 2012 | 0.8% | £241,620 |
| June 2011 | -5.5% | £239,589 |
| June 2010 | 3.5% | £253,662 |
| June 2009 | -11.9% | £244,985 |
| June 2008 | -0.2% | £278,155 |
| June 2007 | 0% | £278,587 |
Rental Market Trends
The current average rental value in the postcode is £1,766.
The CT20 3AG Rental Market has increased by 62.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 0.9% | £1,766pcm |
| June 2025 | 3.5% | £1,750pcm |
| June 2024 | 7.1% | £1,691pcm |
| June 2023 | 8.1% | £1,580pcm |
| June 2022 | 11.2% | £1,461pcm |
| June 2021 | 10.3% | £1,313pcm |
| June 2020 | 2.5% | £1,191pcm |
| June 2019 | 1.6% | £1,162pcm |
| June 2018 | 1.4% | £1,143pcm |
| June 2017 | 3.7% | £1,128pcm |
| June 2016 | 0% | £1,087pcm |
| June 2015 | 3.7% | £1,087pcm |
| June 2014 | 3.4% | £1,049pcm |
| June 2013 | 0.7% | £1,015pcm |
| June 2012 | 2.3% | £1,008pcm |
| June 2011 | 2% | £985pcm |
| June 2010 | 6.2% | £966pcm |
| June 2009 | -4.8% | £909pcm |
| June 2008 | 4.2% | £955pcm |
| June 2007 | 0% | £917pcm |
Sales History
The last recorded sale was on 25th March 2026 for £240,000 and since then the market in the area has decreased by 0.4%.
CT20 3AG has had 3 sales since 1995, with 3 in the last three years and 1 in the last twelve months.
- Sold Mar 2026£240,000 | 2 Bed FlatFlat 2, Castle Glen 22-24, Castle Road, Folkestone, CT20 3AGFlat 2, Castle Glen 22-24, Castle Road, Folkestone, CT20 3AG
- Sold Jan 2025£328,000 | 3 Bed House19, Castle Road, Folkestone, CT20 3AG19, Castle Road, Folkestone, CT20 3AG
- Sold Mar 2024£252,000 | 2 Bed FlatFlat 8, Castle Glen 22-24, Castle Road, Folkestone, CT20 3AGFlat 8, Castle Glen 22-24, Castle Road, Folkestone, CT20 3AG
Nearby Postcodes
CT20 3AG is the 647th largest and the 477th most expensive postcode out of the 679 postcodes in the CT20 area.
- CT20 3BB, Sandgate High Street, Sandgate, Folkestone, CT20CT20 3BB6 Addresses|42 m away
- CT20 3RR, Sandgate High Street, Sandgate, Folkestone, CT20CT20 3RR8 Addresses|48 m away
- CT20 3ST, Old School Mews, Sandgate, Folkestone, CT20CT20 3ST6 Addresses|67 m away
- CT20 3BA, Sandgate Hill, Sandgate, Folkestone, CT20CT20 3BA8 Addresses|81 m away
- CT20 3AF, Lister Way, Sandgate, Folkestone, CT20CT20 3AF2 Addresses|89 m away
Property Types
- 8 period houses built between 1800 and 1911
- 6 period flats built between 1800 and 1911
- 24 modern flats built after 1980
- 1 early-century house built between 1912 and 1935
- 13 other addresses of unknown type
- period house (8)
- period flat (6)
- modern flat (24)
- early-century house (1)
- Unknown (13)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 36 properties.
- The most common rating is B.
- A (0)
- E (3)
- B (12)
- F (0)
- C (9)
- G (1)
- D (11)
- No EPC (16)
Top 3 Most Expensive Sales
- Sold Oct 2019£1,040,000 | 5 Bed House8, Castle Road, Folkestone, CT20 3AG8, Castle Road, Folkestone, CT20 3AG
- Sold Sep 2005£499,999 | 5 Bed House8, Castle Road, Folkestone, CT20 3AG8, Castle Road, Folkestone, CT20 3AG
- Sold Feb 2014£493,500 | 5 Bed House20, Castle Road, Folkestone, CT20 3AG20, Castle Road, Folkestone, CT20 3AG
Schools Nearby
- Sandgate Primary School700 m away
- Morehall Primary School and Nursery1.6 km away
- All Soul's Church of England Primary School1.7 km away
- The Folkestone School for Girls400 m away
- The Harvey Grammar School1.5 km away
- Turner Free School1.9 km away
More reading links
Public Transport Nearby
The closest station to CT20 3AG is Folkestone West station, which is 1.3 kilometres away.
- Folkestone West|1.3 km away
- Folkestone Central|1.7 km away
- Sandling|6.1 km away
- Westenhanger|8.2 km away
