Mayflower Avenue - CO12 3NN
Key Postcode Insights
CO12 3NN is a residential postcode situated on Mayflower Avenue, Harwich, CO12 with 24 addresses.
It ranks as the 412th largest and 225th most expensive of the 603 postcodes in the CO12 area. The most common property type is a early-century house built between 1912 and 1935.
The postcode contains a total of 24 properties: 24 houses.
- Ave. Sale Price
- £212,978
- 10 Year change
- up 42.2%
- Ave. Rental Price
- £1,080pcm
- 10 Year change
- up 55.0%
- Ave. £ per ft²
- £280/ft²
- Ave. Gross Yield
- 6.1%/year/yr
Key Postcode Insights
CO12 3NN is a residential postcode situated on Mayflower Avenue, Harwich, CO12 with 24 addresses.
It ranks as the 412th largest and 225th most expensive of the 603 postcodes in the CO12 area. The most common property type is a early-century house built between 1912 and 1935.
The postcode contains a total of 24 properties: 24 houses.
- Ave. Sale Price
- £212,978
- 10 Year change
- up 42.2%
- Ave. Rental Price
- £1,080pcm
- 10 Year change
- up 55.0%
- Ave. £ per ft²
- £280/ft²
- Ave. Gross Yield
- 6.1%/year/yr
Explore Propertiesin CO12 3NN
- 2 Mayflower Avenue
3 Bed Early-century House
- 4 Mayflower Avenue
3 Bed Mid-century House
- 6 Mayflower Avenue
Unknown
- 8 Mayflower Avenue
Unknown
- 10 Mayflower Avenue
3 Bed Early-century House
Sales Market Trends
The last sale in CO12 3NN sold for £255,000 on 21st July 2025. Since then prices are down an average of 1.0%.
The current average value in the postcode is £212,978.
The CO12 3NN Sales Market has increased by 42.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.9% | £212,978 |
| June 2025 | 0.6% | £214,997 |
| June 2024 | -3.9% | £213,645 |
| June 2023 | -0.7% | £222,314 |
| June 2022 | 14.5% | £223,857 |
| June 2021 | 7.6% | £195,510 |
| June 2020 | 3% | £181,782 |
| June 2019 | 0.7% | £176,421 |
| June 2018 | 6.7% | £175,257 |
| June 2017 | 9.7% | £164,287 |
| June 2016 | 9.2% | £149,721 |
| June 2015 | 7.1% | £137,048 |
| June 2014 | 8.2% | £127,920 |
| June 2013 | -1.2% | £118,243 |
| June 2012 | -1.5% | £119,731 |
| June 2011 | -0.4% | £121,507 |
| June 2010 | 6.1% | £121,954 |
| June 2009 | -14% | £114,927 |
| June 2008 | -5.2% | £133,615 |
| June 2007 | 0% | £140,898 |
Rental Market Trends
The current average rental value in the postcode is £1,080.
The CO12 3NN Rental Market has increased by 55.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.8% | £1,080pcm |
| June 2025 | 4% | £1,040pcm |
| June 2024 | 6.6% | £1,000pcm |
| June 2023 | 5.3% | £938pcm |
| June 2022 | 10.8% | £891pcm |
| June 2021 | 6.5% | £804pcm |
| June 2020 | 0.6% | £754pcm |
| June 2019 | 1.5% | £750pcm |
| June 2018 | 3.1% | £739pcm |
| June 2017 | 2.9% | £717pcm |
| June 2016 | 5.6% | £697pcm |
| June 2015 | 4.9% | £659pcm |
| June 2014 | 3.1% | £628pcm |
| June 2013 | 0.9% | £609pcm |
| June 2012 | 1.6% | £604pcm |
| June 2011 | 3.7% | £594pcm |
| June 2010 | 3.4% | £573pcm |
| June 2009 | -9.5% | £554pcm |
| June 2008 | 1% | £612pcm |
| June 2007 | 0% | £606pcm |
Sales History
The last sale was on 21st July 2025 for £255,000 and since then the market in the area has decreased by 1.0%. The postcode has had a total of 46 sales since 1995.
CO12 3NN has seen 4 sales in the last three years and 1 sale in the last twelve months.
- Sold Jul 2025£255,000 | 3 Bed House4, Mayflower Avenue, Harwich, CO12 3NN4, Mayflower Avenue, Harwich, CO12 3NN
- Sold Feb 2025£205,000 | 2 Bed House20, Mayflower Avenue, Harwich, CO12 3NN20, Mayflower Avenue, Harwich, CO12 3NN
- Sold Oct 2024£207,000 | 3 Bed House10, Mayflower Avenue, Harwich, CO12 3NN10, Mayflower Avenue, Harwich, CO12 3NN
- Sold Nov 2023£204,000 | 3 Bed House46, Mayflower Avenue, Harwich, CO12 3NN46, Mayflower Avenue, Harwich, CO12 3NN
- Sold Dec 2022£200,000 | 3 Bed House26, Mayflower Avenue, Harwich, CO12 3NN26, Mayflower Avenue, Harwich, CO12 3NN
Nearby Postcodes
CO12 3NN is the 412th largest and the 225th most expensive postcode out of the 603 postcodes in the CO12 area.
- CO12 3NW, Mayflower Avenue, Harwich, CO12CO12 3NW24 Addresses|56 m away
- CO12 3NP, Barrack Lane, Harwich, CO12CO12 3NP18 Addresses|102 m away
- CO12 3LS, Main Road, Ramsey, Harwich, CO12CO12 3LS14 Addresses|107 m away
- CO12 3LR, Main Road, Ramsey, Harwich, CO12CO12 3LR11 Addresses|126 m away
- CO12 3LP, Main Road, Ramsey, Harwich, CO12CO12 3LP58 Addresses|140 m away
Property Types
- 3 mid-century houses built between 1936 and 1979
- 15 early-century houses built between 1912 and 1935
- 6 other addresses of unknown type
- mid-century house (3)
- early-century house (15)
- Unknown (6)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 18 properties.
- The most common rating is D.
- A (0)
- E (3)
- B (0)
- F (0)
- C (5)
- G (0)
- D (10)
- No EPC (6)
Top 3 Most Expensive Sales
- Sold Jul 2025£255,000 | 3 Bed House4, Mayflower Avenue, Harwich, CO12 3NN4, Mayflower Avenue, Harwich, CO12 3NN
- Sold Jul 2022£243,000 | 3 Bed House16, Mayflower Avenue, Harwich, CO12 3NN16, Mayflower Avenue, Harwich, CO12 3NN
- Sold Jan 2024£210,000 | 3 Bed House29, Mayflower Avenue, Harwich, CO12 3NW29, Mayflower Avenue, Harwich, CO12 3NW
Schools Nearby
- Harwich Community Primary School and Nursery200 m away
- The Mayflower Primary School1.3 km away
- St Joseph's Catholic Primary School1.9 km away
- Harwich and Dovercourt High School2.2 km away
- Felixstowe School4.6 km away
- Holbrook Academy10.5 km away
More reading links
Public Transport Nearby
The closest station to CO12 3NN is Harwich Town station, which is 400 metres away.
- Harwich Town|400 m away
- Dovercourt|600 m away
- Harwich International|2.4 km away
- Trimley|4.5 km away
