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12 Castle Avenue

Dublin 3 / Clontarf / D03Y029

Last Sale Price

€800,000
House Second-Hand 1 recorded sale
vs Street
+81.8%
Median €440,000
72 sales
Growth +8.1%/yr · 14.2 yrs
vs Clontarf
+41.1%
Median €567,000
2,726 sales
Growth +5.9%/yr · 16.0 yrs
vs Dublin 3
+98.1%
Median €403,881
5,998 sales
Growth +6.5%/yr · 16.0 yrs
Street View near 12 Castle Avenue, Clontarf, Dublin 3
Nearby Properties
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Sale History

1 sale
€800,000
10 months ago
Second-Hand Dwelling house /Apartment

Price Intelligence

This property has one recorded sale for €800,000 on 29 Apr 2025. That places it 81.8% above the street median of €440,000.

Street Rank
Top 25%
of 72 properties
Area Rank
Top 24%
of 2,726 properties
€140,879 Street range €2,100,000
This property: €800,000
What did 12 Castle Avenue last sell for?

12 Castle Avenue last sold for €800,000 on 29 Apr 2025.

How does 12 Castle Avenue compare to others near Castle Avenue?

At €800,000, 12 Castle Avenue last sold 81.8% above the Castle Avenue street median of €440,000 (based on 72 recorded sales).

How does 12 Castle Avenue compare to the rest of Clontarf?

Compared to Clontarf (median €567,000, 2,726 sales), 12 Castle Avenue sits 41.1% above 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

12 Castle Avenue, Clontarf, Dublin 3

PPR Source

address 12 CASTLE AVE, CLONTARF, DUBLIN 3
canonical_address 12 CASTLE AVE, CLONTARF, DUBLIN 3
eircode (PPR) D03Y029
property_id 49859b37cab7959fd6b3c61c0bc55420f8ed88c6
region dublin-03
format_display_address() 12 Castle Avenue, Clontarf, 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 12
slug 12-castle-ave-clontarf
is_apartment false

Geocode Data

source_provider google
source_accuracy APPROXIMATE
latitude 53.3619073
longitude -6.2091294
formatted_address Clontarf East, Dublin, Co. Dublin, D03 Y029, Ireland
eircode (geocode) D03Y029
locality Dublin
county County Dublin
resolution_method conflict_unresolved_google_default
street_number —
route —
sublocality —
address_components
show raw JSON 
[{"long_name": "D03 Y029", "short_name": "D03 Y029", "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 D03Y029, Ireland
fetched_at 2026-02-13T16:03:48Z
formatted_address Clontarf East, Dublin, Co. Dublin, D03 Y029, Ireland
eircode D03Y029
locality Dublin
county County Dublin
street_number —
route —
sublocality —
latitude 53.3619073
longitude -6.2091294
address_components
show raw JSON 
[
  {
    "long_name": "D03 Y029",
    "short_name": "D03 Y029",
    "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 Y029",
      "short_name": "D03 Y029",
      "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": "D03Y029",
  "formatted_address": "Clontarf East, Dublin, Co. Dublin, D03 Y029, Ireland",
  "lat": 53.3619073,
  "locality": "Dublin",
  "lon": -6.2091294,
  "place_id": "ChIJ2Zxb1KsPZ0gRLuTSNIR4IbU",
  "provider": "google",
  "route": "",
  "street_number": "",
  "sublocality": ""
}
Nominatim ok
query_text D03Y029, Ireland
fetched_at 2026-02-14T16:26:09Z
formatted_address National Library of Ireland, 7/8, Kildare Street, Mansion House B ED, 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 ED",
  "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 ED",
    "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 ED, Dublin, County Dublin, Leinster, D02 P638, \u00c9ire / Ireland",
  "lat": 53.3411249,
  "locality": "Dublin",
  "lon": -6.2545,
  "place_id": "255244705",
  "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 D03Y029
Geocode eircode D03Y029
best_eircode (used) D03Y029

BER Data (no BER match)

No BER data matched for this property.

Computed Metrics

property_type Second-Hand
dwelling_type House
size_description None
holding_years None
annualized_pct None
vs_street_median_pct 81.8
street_median 440000
street_sample_size 72
street_is_reliable true
vs_area_median_pct 41.1
area_median 567000
area_sample_size 2726
area_is_reliable true
vs_district_median_pct 98.1
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