Portland Avenue - CO12 3QN
Key Postcode Insights
CO12 3QN is a residential postcode situated on Portland Avenue, Harwich, CO12 with 30 addresses.
It ranks as the 470th largest and 174th 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 30 properties: 30 houses.
- Ave. Sale Price
- £197,932
- 10 Year change
- up 45.0%
- Ave. Rental Price
- £1,045pcm
- 10 Year change
- up 54.9%
- Ave. £ per ft²
- £244/ft²
- Ave. Gross Yield
- 6.3%/year/yr
Key Postcode Insights
CO12 3QN is a residential postcode situated on Portland Avenue, Harwich, CO12 with 30 addresses.
It ranks as the 470th largest and 174th 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 30 properties: 30 houses.
- Ave. Sale Price
- £197,932
- 10 Year change
- up 45.0%
- Ave. Rental Price
- £1,045pcm
- 10 Year change
- up 54.9%
- Ave. £ per ft²
- £244/ft²
- Ave. Gross Yield
- 6.3%/year/yr
Explore Propertiesin CO12 3QN
- 5 Portland Avenue
3 Bed Early-century House
- 7 Portland Avenue
2 Bed Early-century House
- 9 Portland Avenue
2 Bed Early-century House
- 10 Portland Avenue
3 Bed Early-century House
- 11 Portland Avenue
2 Bed Early-century House
Sales Market Trends
The last sale in CO12 3QN sold for £242,000 on 20th March 2026. Since then prices are down an average of 0.6%.
The current average value in the postcode is £197,932.
The CO12 3QN Sales Market has increased by 45.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1% | £197,932 |
| June 2025 | 1% | £199,942 |
| June 2024 | -3.7% | £197,949 |
| June 2023 | -0.6% | £205,605 |
| June 2022 | 14.3% | £206,768 |
| June 2021 | 7% | £180,859 |
| June 2020 | 4% | £168,990 |
| June 2019 | 0.7% | £162,550 |
| June 2018 | 6.6% | £161,422 |
| June 2017 | 10.9% | £151,439 |
| June 2016 | 8.9% | £136,523 |
| June 2015 | 6% | £125,330 |
| June 2014 | 8.6% | £118,202 |
| June 2013 | -1.7% | £108,888 |
| June 2012 | -1.3% | £110,730 |
| June 2011 | -0.7% | £112,229 |
| June 2010 | 6.1% | £113,049 |
| June 2009 | -14.2% | £106,563 |
| June 2008 | -5.9% | £124,211 |
| June 2007 | 0% | £132,007 |
Rental Market Trends
The current average rental value in the postcode is £1,045.
The CO12 3QN Rental Market has increased by 54.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.7% | £1,045pcm |
| June 2025 | 4.1% | £1,008pcm |
| June 2024 | 6.6% | £969pcm |
| June 2023 | 5.4% | £909pcm |
| June 2022 | 10.7% | £862pcm |
| June 2021 | 6.5% | £779pcm |
| June 2020 | 0.7% | £731pcm |
| June 2019 | 1.5% | £726pcm |
| June 2018 | 3.1% | £716pcm |
| June 2017 | 2.9% | £695pcm |
| June 2016 | 5.6% | £675pcm |
| June 2015 | 5% | £639pcm |
| June 2014 | 3.1% | £609pcm |
| June 2013 | 1% | £591pcm |
| June 2012 | 1.6% | £585pcm |
| June 2011 | 3.7% | £576pcm |
| June 2010 | 3.5% | £556pcm |
| June 2009 | -9.4% | £537pcm |
| June 2008 | 1.1% | £592pcm |
| June 2007 | 0% | £586pcm |
Sales History
The last sale was on 20th March 2026 for £242,000 and since then the market in the area has decreased by 0.6%. The postcode has had a total of 54 sales since 1995.
CO12 3QN has seen 5 sales in the last three years and 1 sale in the last twelve months.
- Sold Mar 2026£242,000 | 3 Bed House22, Portland Avenue, Harwich, CO12 3QN22, Portland Avenue, Harwich, CO12 3QN
- Sold Nov 2024£162,000 | 3 Bed House22, Portland Avenue, Harwich, CO12 3QN22, Portland Avenue, Harwich, CO12 3QN
- Sold Jul 2024£165,000 | 3 Bed House31, Portland Avenue, Harwich, CO12 3QN31, Portland Avenue, Harwich, CO12 3QN
- Sold Jun 2024£212,500 | 3 Bed House27, Portland Avenue, Harwich, CO12 3QN27, Portland Avenue, Harwich, CO12 3QN
- Sold Dec 2023£120,000 | 3 Bed House29, Portland Avenue, Harwich, CO12 3QN29, Portland Avenue, Harwich, CO12 3QN
Nearby Postcodes
CO12 3QN is the 470th largest and the 174th most expensive postcode out of the 603 postcodes in the CO12 area.
- CO12 3QQ, Oakland Road, Harwich, CO12CO12 3QQ32 Addresses|50 m away
- CO12 3SJ, Lee Road, Harwich, CO12CO12 3SJ42 Addresses|69 m away
- CO12 3SG, Lee Road, Harwich, CO12CO12 3SG23 Addresses|79 m away
- CO12 3QG, Oakland Road, Harwich, CO12CO12 3QG31 Addresses|81 m away
- CO12 3QW, Portland Avenue, Harwich, CO12CO12 3QW13 Addresses|93 m away
Property Types
- 1 mid-century house built between 1936 and 1979
- 25 early-century houses built between 1912 and 1935
- 4 other addresses of unknown type
- mid-century house (1)
- early-century house (25)
- Unknown (4)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 26 properties.
- The most common rating is D.
- A (0)
- E (7)
- B (0)
- F (1)
- C (5)
- G (0)
- D (13)
- No EPC (4)
Top 3 Most Expensive Sales
- Sold Apr 2022£251,000 | 3 Bed House16, Portland Avenue, Harwich, CO12 3QN16, Portland Avenue, Harwich, CO12 3QN
- Sold Mar 2026£242,000 | 3 Bed House22, Portland Avenue, Harwich, CO12 3QN22, Portland Avenue, Harwich, CO12 3QN
- Sold Nov 2021£235,000 | 3 Bed House18, Portland Avenue, Harwich, CO12 3QN18, Portland Avenue, Harwich, CO12 3QN
Schools Nearby
- The Mayflower Primary School500 m away
- St Joseph's Catholic Primary School800 m away
- Harwich Community Primary School and Nursery900 m away
- Harwich and Dovercourt High School1.2 km away
- Felixstowe School5.7 km away
- Holbrook Academy10.2 km away
More reading links
Public Transport Nearby
The closest station to CO12 3QN is Dovercourt station, which is 500 metres away.
- Dovercourt|500 m away
- Harwich Town|1.3 km away
- Harwich International|2.0 km away
- Trimley|5.5 km away