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20 Blackheath Gardens

Dublin 3 / Clontarf / D03N822

Last Sale Price

€700,000
House Second-Hand 1 recorded sale
vs Street
+0.0%
Median €700,000
7 sales
vs Clontarf
+23.5%
Median €567,000
2,726 sales
Growth +5.9%/yr · 16.0 yrs
vs Dublin 3
+73.3%
Median €403,881
5,998 sales
Growth +6.5%/yr · 16.0 yrs
Street View near 20 Blackheath Gardens, Dublin 3
Nearby Properties
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Sale History

1 sale
€700,000
11 yrs, 6 mo ago
Second-Hand Dwelling house /Apartment

Price Intelligence

This property has one recorded sale for €700,000 on 8 Aug 2014. That places it 0.0% above the street median of €700,000.

Area Rank
Top 34%
of 2,726 properties
€575,000 Street range €1,200,000
This property: €700,000
What did 20 Blackheath Gardens last sell for?

20 Blackheath Gardens last sold for €700,000 on 8 Aug 2014.

How does 20 Blackheath Gardens compare to others near Blackheath Gardens?

At €700,000, 20 Blackheath Gardens last sold 0.0% above the Blackheath Gardens street median of €700,000 (based on 7 recorded sales).

How does 20 Blackheath Gardens compare to the rest of Clontarf?

Compared to Clontarf (median €567,000, 2,726 sales), 20 Blackheath Gardens sits 23.5% above the area average.

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
€700,000
7 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

20 Blackheath Gardens, Dublin 3

PPR Source

address 20 BLACKHEATH GARDENS, CLONTARF, DUBLIN 3
canonical_address 20 BLACKHEATH GARDENS, CLONTARF, DUBLIN 3
eircode (PPR) —
property_id fbf8ff11866600db587d93b5333377cb35d85e07
region dublin-03
format_display_address() 20 Blackheath Gardens, Clontarf, Dublin 3

Parsed Address (URL Gen)

district dublin-03
district_display Dublin 3
area clontarf
area_display Clontarf
street blackheath-gardens
street_display Blackheath Gardens
house_number 20
slug 20-blackheath-gardens-clontarf
is_apartment false

Geocode Data

source_provider google
source_accuracy ROOFTOP
latitude 53.3659227
longitude -6.2025179
formatted_address 20 Blackheath Gardens, Clontarf East, Dublin 3, D03 N822, Ireland
eircode (geocode) D03N822
locality Dublin 3
county County Dublin
resolution_method google_nominatim_agree
street_number 20
route Blackheath Gardens
sublocality —
address_components
show raw JSON 
[{"long_name": "20", "short_name": "20", "types": ["street_number"]}, {"long_name": "Blackheath Gardens", "short_name": "Blackheath Gardens", "types": ["route"]}, {"long_name": "Clontarf East", "short_name": "Clontarf East", "types": ["neighborhood", "political"]}, {"long_name": "Dublin 3", "short_name": "Dublin 3", "types": ["postal_town"]}, {"long_name": "County Dublin", "short_name": "D", "types": ["administrative_area_level_1", "political"]}, {"long_name": "Ireland", "short_name": "IE", "types": ["country", "political"]}, {"long_name": "D03 N822", "short_name": "D03 N822", "types": ["postal_code"]}]

Provider Geocode Payloads

Google ok
query_text 20 BLACKHEATH GARDENS, CLONTARF, DUBLIN 3, Dublin 3, Ireland
fetched_at 2026-02-13T15:47:46Z
formatted_address 20 Blackheath Gardens, Clontarf East, Dublin 3, D03 N822, Ireland
eircode D03N822
locality Dublin 3
county County Dublin
street_number 20
route Blackheath Gardens
sublocality —
latitude 53.3659227
longitude -6.2025179
address_components
show raw JSON 
[
  {
    "long_name": "20",
    "short_name": "20",
    "types": [
      "street_number"
    ]
  },
  {
    "long_name": "Blackheath Gardens",
    "short_name": "Blackheath Gardens",
    "types": [
      "route"
    ]
  },
  {
    "long_name": "Clontarf East",
    "short_name": "Clontarf East",
    "types": [
      "neighborhood",
      "political"
    ]
  },
  {
    "long_name": "Dublin 3",
    "short_name": "Dublin 3",
    "types": [
      "postal_town"
    ]
  },
  {
    "long_name": "County Dublin",
    "short_name": "D",
    "types": [
      "administrative_area_level_1",
      "political"
    ]
  },
  {
    "long_name": "Ireland",
    "short_name": "IE",
    "types": [
      "country",
      "political"
    ]
  },
  {
    "long_name": "D03 N822",
    "short_name": "D03 N822",
    "types": [
      "postal_code"
    ]
  }
]
raw_payload
show raw JSON 
{
  "accuracy": "ROOFTOP",
  "address_components": [
    {
      "long_name": "20",
      "short_name": "20",
      "types": [
        "street_number"
      ]
    },
    {
      "long_name": "Blackheath Gardens",
      "short_name": "Blackheath Gardens",
      "types": [
        "route"
      ]
    },
    {
      "long_name": "Clontarf East",
      "short_name": "Clontarf East",
      "types": [
        "neighborhood",
        "political"
      ]
    },
    {
      "long_name": "Dublin 3",
      "short_name": "Dublin 3",
      "types": [
        "postal_town"
      ]
    },
    {
      "long_name": "County Dublin",
      "short_name": "D",
      "types": [
        "administrative_area_level_1",
        "political"
      ]
    },
    {
      "long_name": "Ireland",
      "short_name": "IE",
      "types": [
        "country",
        "political"
      ]
    },
    {
      "long_name": "D03 N822",
      "short_name": "D03 N822",
      "types": [
        "postal_code"
      ]
    }
  ],
  "country_code": "ie",
  "county": "County Dublin",
  "eircode": "D03N822",
  "formatted_address": "20 Blackheath Gardens, Clontarf East, Dublin 3, D03 N822, Ireland",
  "lat": 53.3659227,
  "locality": "Dublin 3",
  "lon": -6.2025179,
  "place_id": "ChIJZwus9aUPZ0gRUfs5M3E4--8",
  "provider": "google",
  "route": "Blackheath Gardens",
  "street_number": "20",
  "sublocality": ""
}
Nominatim ok
query_text structured:20 BLACKHEATH GARDENS, Dublin 3, Ireland
fetched_at 2026-02-14T13:38:52Z
formatted_address Blackheath Gardens, Clontarf, Clontarf East C ED, Dublin, County Dublin, Leinster, D03 W5N0, Éire / Ireland
eircode D03W5N0
locality Dublin
county County Dublin
street_number —
route Blackheath Gardens
sublocality Clontarf
latitude 53.3658539
longitude -6.2032407
address_components
show raw JSON 
{
  "ISO3166-2-lvl5": "IE-L",
  "ISO3166-2-lvl6": "IE-D",
  "city": "Dublin",
  "city_district": "Clontarf East C ED",
  "country": "\u00c9ire / Ireland",
  "country_code": "ie",
  "county": "County Dublin",
  "postcode": "D03 W5N0",
  "region": "Leinster",
  "road": "Blackheath Gardens",
  "suburb": "Clontarf"
}
raw_payload
show raw JSON 
{
  "accuracy": "residential",
  "address_components": {
    "ISO3166-2-lvl5": "IE-L",
    "ISO3166-2-lvl6": "IE-D",
    "city": "Dublin",
    "city_district": "Clontarf East C ED",
    "country": "\u00c9ire / Ireland",
    "country_code": "ie",
    "county": "County Dublin",
    "postcode": "D03 W5N0",
    "region": "Leinster",
    "road": "Blackheath Gardens",
    "suburb": "Clontarf"
  },
  "country_code": "ie",
  "county": "County Dublin",
  "eircode": "D03W5N0",
  "formatted_address": "Blackheath Gardens, Clontarf, Clontarf East C ED, Dublin, County Dublin, Leinster, D03 W5N0, \u00c9ire / Ireland",
  "lat": 53.3658539,
  "locality": "Dublin",
  "lon": -6.2032407,
  "place_id": "255300469",
  "provider": "nominatim",
  "route": "Blackheath Gardens",
  "street_number": "",
  "sublocality": "Clontarf"
}

Composition Path

Route-based street_number + route + sublocality/locality

Eircode Resolution

PPR eircode —
Geocode eircode D03N822
best_eircode (used) D03N822

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 0.0
street_median 700000
street_sample_size 7
street_is_reliable true
vs_area_median_pct 23.5
area_median 567000
area_sample_size 2726
area_is_reliable true
vs_district_median_pct 73.3
district_median 403881
district_sample_size 5998
district_is_reliable true
street_growth_rate_pct None
street_growth_years None
street_growth_sample_size 0
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