18, Castlemain Avenue
18, Castlemain Avenue
Description & Estimates







18, Castlemain Avenue, Bournemouth is recorded publicly as an early-century freehold house across 1,539 ft2 of internal area, sitting on a 496 m2 plot.
Locally, houses of this size normally have 4 bedrooms with a garden.
Our estimate of the sale value of 18, Castlemain Avenue, Bournemouth is £614,930 and its rental estimate is £2,615 per month, given the available information and assuming reasonable condition.
Castlemain Avenue, Bournemouth, BH6 falls within the BH6 postal district.
Our Data Sources
18, Castlemain Avenue, Bournemouth has 2 entries in the Land Registry , most recently in August 2022 and a single entry in the EPC database dated February 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 18, Castlemain Avenue, Bournemouth, we estimate a market value of £645,677 and a rental value of £2,746 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £571,885 and £2,432 per month respectively.
Recent Market Change
Over the last year, 18, Castlemain Avenue, Bournemouth has seen its estimated sale value decline by £6,471 (1.1%) and its estimated rental value climb by £80 per month (3.1%). This results in an estimated gross rental yield of 5.1%.
Plot Size
HM Land Registry records the plot of land for 18, Castlemain Avenue, Bournemouth as measuring 496 m2.
That makes it the 11th largest plot in the postcode, where 11 of the 12 other houses have recorded plot data.
Energy Efficiency
18, Castlemain Avenue, Bournemouth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Feb 2026.
The property is connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 18, Castlemain Avenue, Bournemouth completed on 24th August 2022 at £650,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 3.7% over the period since August 2022.
- Sold Aug 2022£650,000
- Sold Nov 2010£300,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 18, Castlemain Avenue, Bournemouth have sold within a radius of 400 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 9, Sunnyhill Road, Bournemouth, BH6 5HP, a freehold house which sold for £549,050.
Read more about house prices in BH6.
- Sold Jan 2026£549,050 | 4 Bed House9, Sunnyhill Road, Bournemouth, BH6 5HP9, Sunnyhill Road, Bournemouth, BH6 5HP
- Sold Feb 2025£580,000 | 4 Bed House32, Alexandra Road, Bournemouth, BH6 5JA32, Alexandra Road, Bournemouth, BH6 5JA
- Sold Sep 2024£730,000 | 4 Bed House20, Ravenscourt Road, Bournemouth, BH6 5EF20, Ravenscourt Road, Bournemouth, BH6 5EF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 251 addresses on Castlemain Avenue, Bournemouth, BH6, 18, Castlemain Avenue, Bournemouth comes out as the 18th largest and the 16th most expensive in our analysis of the public data.
It is also £181k more expensive than the average property across the BH6 district.
More reading links
Schools Nearby
- 600mSt James' Church of England Primary Academy
- 600mPokesdown Community Primary School
- 800mStourfield Infant School
- 1.3kmAvonbourne Girls Academy
- 1.4kmAvonbourne Boys' Academy
- 2.3kmTwynham School
More reading links
Public Transport Nearby
From 18, Castlemain Avenue, Bournemouth, the nearest station is Pokesdown, 700 metres away.
- 700mPokesdown
- 2.4kmChristchurch
- 3.4kmBournemouth
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

