Our Data Sources
12, Seamill Park Avenue, Worthing has no recent1 records in the the Land Registry and a single entry in the EPC database dated March 2014.
We combine this information with public data 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.
Price Range & Condition
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 12, Seamill Park Avenue, Worthing is in very good condition we estimate a sale value of £524,817 and a rental value of £2,233 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £464,838 and a rental value of £1,978 per month.
Plot Size
According to data from HM Land Registry, 12, Seamill Park Avenue, Worthing sits on a plot of 428 m2.
We have plot size data on 18 out of 18 other houses in the postcode and 12, Seamill Park Avenue, Worthing sits on the 11th largest plot.
Energy Efficiency
12, Seamill Park Avenue, Worthing has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Mar 2014.
The property is not connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 12, Seamill Park Avenue, Worthing was last sold on 4th August 2003 for £224,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
- Sold Aug 2003£224,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 98 sales of properties similar to 12, Seamill Park Avenue, Worthing within a radius of 840 metres over the last 2 years.
The most recent example is 28, Brookdean Road, Worthing, BN11 2PB, a freehold house which sold for £407,000 on the 1st April 2026.
Read more about house prices in BN11.
- Sold Apr 2026£407,000 | 4 Bed House28, Brookdean Road, Worthing, BN11 2PB28, Brookdean Road, Worthing, BN11 2PB
- Sold Jan 2025£550,000 | 4 Bed House11, Seamill Park Crescent, Worthing, BN11 2PN11, Seamill Park Crescent, Worthing, BN11 2PN
- Sold Jun 2021£366,000 | 4 Bed House16, Seamill Park Avenue, Worthing, BN11 2PU16, Seamill Park Avenue, Worthing, BN11 2PU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Seamill Park Avenue, Worthing, BN11 has a total of 18 addresses. According to our analysis of all the public data, 12, Seamill Park Avenue, Worthing is the 7th largest and the 8th most expensive property on the street.
When compared to the postcode district it is £188k more expensive than the average property in BN11.
More reading links
Schools Nearby
- Homefield Primary School and SSC1.6 km away
- Springfield Infant School and Nursery1.8 km away
- Sompting Village Primary School1.8 km away
- Davison Church of England High School for Girls, Worthing1.1 km away
- St Andrew's CofE High School2.0 km away
- The Sir Robert Woodard Academy2.3 km away
More reading links
Public Transport Nearby
- East Worthing|1.2 km away
- Lancing|1.7 km away
- Worthing|2.5 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Low.












