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Apt 6 Seafield Court, Castle Avenue

Dublin 3 / Clontarf / D03AY20

Last Sale Price

€305,000
Apartment Second-Hand 1 recorded sale
vs Street
-30.7%
Median €440,000
72 sales
Growth +8.1%/yr · 14.2 yrs
vs Clontarf
-46.2%
Median €567,000
2,726 sales
Growth +5.9%/yr · 16.0 yrs
vs Dublin 3
-24.5%
Median €403,881
5,998 sales
Growth +6.5%/yr · 16.0 yrs
Street View near Apt 6 Seafield Court, Castle Avenue, Dublin 3
Nearby Properties
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Sale History

1 sale
€305,000
3 yrs, 8 mo ago
Second-Hand Dwelling house /Apartment

Price Intelligence

This property has one recorded sale for €305,000 on 20 Jun 2022. That places it 30.7% below the street median of €440,000.

€140,879 Street range €2,100,000
This property: €305,000
What did Apt 6 Seafield Court last sell for?

Apt 6 Seafield Court last sold for €305,000 on 20 Jun 2022.

How does Apt 6 Seafield Court compare to others near Castle Avenue?

At €305,000, Apt 6 Seafield Court last sold 30.7% below the Castle Avenue street median of €440,000 (based on 72 recorded sales).

How does Apt 6 Seafield Court compare to the rest of Clontarf?

Compared to Clontarf (median €567,000, 2,726 sales), Apt 6 Seafield Court sits 46.2% below the area average.

What is the investment growth rate on Castle Avenue?

Using properties on Castle Avenue with at least two recorded sales, the median annual growth rate is +8.1% per year over 14.2 years (2011 to 2025, 6 repeat-sale properties). How this is calculated.

Growth metrics use repeat-sale properties only. Methodology.

Clontarf streetscape

About Clontarf

Clontarf is a neighbourhood in Dublin 3, Dublin.

Area Median
€567,000
2,726 sales
District Median
€403,881
5,998 sales
Street Median
€440,000
72 sales

Housing in Dublin 3

Typical Size
80 m²
Typical Build
1959
BER Ratings
A (efficient)G

Based on 11,869 BER assessments — see district details

Explore Clontarf Explore Dublin 3

Related Pages

Debug: Address & Geocode Data

Composed Display Address

Apt 6 Seafield Court, Castle Avenue, Dublin 3

PPR Source

address APT 6 SEAFIELD COURT, CASTLE AVENUE, DUBLIN 3
canonical_address APT 6 SEAFIELD COURT, CASTLE AVENUE, DUBLIN 3
eircode (PPR) D03AY20
property_id 675a3ba440077e5e148f6dfba35b6dc60e910a9a
region dublin-03
format_display_address() Apt 6 Seafield Court, Castle Avenue, Dublin 3

Parsed Address (URL Gen)

district dublin-03
district_display Dublin 3
area clontarf
area_display Clontarf
street castle-avenue
street_display Castle Avenue
house_number 6
slug apt-6-seafield-court-castle-avenue
is_apartment true

Geocode Data

source_provider google
source_accuracy APPROXIMATE
latitude 53.3651354
longitude -6.2046037
formatted_address Clontarf East, Dublin, Co. Dublin, D03 AY20, Ireland
eircode (geocode) D03AY20
locality Dublin
county County Dublin
resolution_method conflict_unresolved_google_default
street_number —
route —
sublocality —
address_components
show raw JSON 
[{"long_name": "D03 AY20", "short_name": "D03 AY20", "types": ["postal_code"]}, {"long_name": "Clontarf East", "short_name": "Clontarf East", "types": ["neighborhood", "political"]}, {"long_name": "Dublin", "short_name": "Dublin", "types": ["locality", "political"]}, {"long_name": "County Dublin", "short_name": "D", "types": ["administrative_area_level_1", "political"]}, {"long_name": "Ireland", "short_name": "IE", "types": ["country", "political"]}]

Provider Geocode Payloads

Google ok
query_text D03AY20, Ireland
fetched_at 2026-02-13T15:59:11Z
formatted_address Clontarf East, Dublin, Co. Dublin, D03 AY20, Ireland
eircode D03AY20
locality Dublin
county County Dublin
street_number —
route —
sublocality —
latitude 53.3651354
longitude -6.2046037
address_components
show raw JSON 
[
  {
    "long_name": "D03 AY20",
    "short_name": "D03 AY20",
    "types": [
      "postal_code"
    ]
  },
  {
    "long_name": "Clontarf East",
    "short_name": "Clontarf East",
    "types": [
      "neighborhood",
      "political"
    ]
  },
  {
    "long_name": "Dublin",
    "short_name": "Dublin",
    "types": [
      "locality",
      "political"
    ]
  },
  {
    "long_name": "County Dublin",
    "short_name": "D",
    "types": [
      "administrative_area_level_1",
      "political"
    ]
  },
  {
    "long_name": "Ireland",
    "short_name": "IE",
    "types": [
      "country",
      "political"
    ]
  }
]
raw_payload
show raw JSON 
{
  "accuracy": "APPROXIMATE",
  "address_components": [
    {
      "long_name": "D03 AY20",
      "short_name": "D03 AY20",
      "types": [
        "postal_code"
      ]
    },
    {
      "long_name": "Clontarf East",
      "short_name": "Clontarf East",
      "types": [
        "neighborhood",
        "political"
      ]
    },
    {
      "long_name": "Dublin",
      "short_name": "Dublin",
      "types": [
        "locality",
        "political"
      ]
    },
    {
      "long_name": "County Dublin",
      "short_name": "D",
      "types": [
        "administrative_area_level_1",
        "political"
      ]
    },
    {
      "long_name": "Ireland",
      "short_name": "IE",
      "types": [
        "country",
        "political"
      ]
    }
  ],
  "country_code": "ie",
  "county": "County Dublin",
  "eircode": "D03AY20",
  "formatted_address": "Clontarf East, Dublin, Co. Dublin, D03 AY20, Ireland",
  "lat": 53.3651354,
  "locality": "Dublin",
  "lon": -6.2046037,
  "place_id": "ChIJ3cfmNq8PZ0gRJGxs-UcvZOA",
  "provider": "google",
  "route": "",
  "street_number": "",
  "sublocality": ""
}
Nominatim ok
query_text D03AY20, Ireland
fetched_at 2026-02-14T15:50:44Z
formatted_address National Library of Ireland, 7/8, Kildare Street, Mansion House B Ward 1986, Dublin, County Dublin, Leinster, D02 P638, Éire / Ireland
eircode D02P638
locality Dublin
county County Dublin
street_number 7/8
route Kildare Street
sublocality —
latitude 53.3411249
longitude -6.2545
address_components
show raw JSON 
{
  "ISO3166-2-lvl5": "IE-L",
  "ISO3166-2-lvl6": "IE-D",
  "amenity": "National Library of Ireland",
  "city": "Dublin",
  "city_district": "Mansion House B Ward 1986",
  "country": "\u00c9ire / Ireland",
  "country_code": "ie",
  "county": "County Dublin",
  "house_number": "7/8",
  "postcode": "D02 P638",
  "region": "Leinster",
  "road": "Kildare Street"
}
raw_payload
show raw JSON 
{
  "accuracy": "library",
  "address_components": {
    "ISO3166-2-lvl5": "IE-L",
    "ISO3166-2-lvl6": "IE-D",
    "amenity": "National Library of Ireland",
    "city": "Dublin",
    "city_district": "Mansion House B Ward 1986",
    "country": "\u00c9ire / Ireland",
    "country_code": "ie",
    "county": "County Dublin",
    "house_number": "7/8",
    "postcode": "D02 P638",
    "region": "Leinster",
    "road": "Kildare Street"
  },
  "country_code": "ie",
  "county": "County Dublin",
  "eircode": "D02P638",
  "formatted_address": "National Library of Ireland, 7/8, Kildare Street, Mansion House B Ward 1986, Dublin, County Dublin, Leinster, D02 P638, \u00c9ire / Ireland",
  "lat": 53.3411249,
  "locality": "Dublin",
  "lon": -6.2545,
  "place_id": "256017403",
  "provider": "nominatim",
  "route": "Kildare Street",
  "street_number": "7/8",
  "sublocality": ""
}

Composition Path

Formatted address cleaned formatted_address (stripped ", Ireland" and Eircode)

Eircode Resolution

PPR eircode D03AY20
Geocode eircode D03AY20
best_eircode (used) D03AY20

BER Data (no BER match)

No BER data matched for this property.

Computed Metrics

property_type Second-Hand
dwelling_type Apartment
size_description None
holding_years None
annualized_pct None
vs_street_median_pct -30.7
street_median 440000
street_sample_size 72
street_is_reliable true
vs_area_median_pct -46.2
area_median 567000
area_sample_size 2726
area_is_reliable true
vs_district_median_pct -24.5
district_median 403881
district_sample_size 5998
district_is_reliable true
street_growth_rate_pct 8.1
street_growth_years 14.2
street_growth_sample_size 6
area_growth_rate_pct 5.9
area_growth_years 16.0
area_growth_sample_size 318
district_growth_rate_pct 6.5
district_growth_years 16.0
district_growth_sample_size 692
nearby_avg_price None
nearby_price_range None
nearby_count 0