Open Building BlocksΑνοιχτά Οικοδομικά Τετράγωνα

Name: Open Building Blocks
Creator: Municipality of Chalandri

Ανοιχτά Οικοδομικά ΤετράγωναOpen Building Blocks

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A WMS geospatial layer published by the Municipality of Chalandri, Greece, providing data on the municipality's building blocks (οικοδομικά τετράγωνα). It is made available through the municipality's GeoServer instance for free, unauthenticated access, and can be used in GIS applications for urban planning, cadastral reference, and mapping purposes within the municipality's area.Ανοιχτά Οικοδομικά Τετράγωνα

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Data schema (94 fields)

Click a field to see example values.

Field	Type	Description
gid	int	Unique identifier for the geometric record.Unique identifier for the geometric record.
geom	geometry	Geometric shape (polygon) of the plot or building block.Geometric shape (polygon) of the plot or building block.
fid	long	Internal feature identifier.Internal feature identifier.
control_data_dateControl data date	dateTime	Date the inspection/control was carried out.Date the inspection/control was carried out.
control_data_timeControl data time	string	Time the inspection/control was carried out.Time the inspection/control was carried out.
control_data_regional_unitControl data regional unit	string	Regional unit where the inspected property is located.Regional unit where the inspected property is located.
control_data_municipalityControl data municipality	string	Municipality where the inspected property is located.Municipality where the inspected property is located.
control_data_municipal_unitControl data municipal unit	string	Municipal unit where the inspected property is located.Municipal unit where the inspected property is located.
control_data_settlementControl data settlement	string	Settlement or locality where the inspected property is located.Settlement or locality where the inspected property is located.
control_data_streetControl data street	string	Street name of the inspected property.Street name of the inspected property.
control_data_numberControl data number	string	Street number of the inspected property.Street number of the inspected property.
control_data_national_cadastre_codeControl data national cadastre code	string	National cadastral code of the inspected property.National cadastral code of the inspected property.
control_data_coordinate_xControl data coordinate x	double	X coordinate of the inspected location.X coordinate of the inspected location.
control_data_coordinate_yControl data coordinate y	double	Y coordinate of the inspected location.Y coordinate of the inspected location.
control_data_area_type_openControl data area type open	boolean	Indicates whether the inspected plot is an open (unenclosed) area.Indicates whether the inspected plot is an open (unenclosed) area.
control_data_area_type_fencedControl data area type fenced	boolean	Indicates whether the inspected plot is fenced.Indicates whether the inspected plot is fenced.
control_data_adjacency_detailsControl data adjacency details	string	Details about neighboring properties or land adjacent to the plot.Details about neighboring properties or land adjacent to the plot.
inspection_type_initialInspection type initial	boolean	Indicates whether the inspection was an initial inspection.Indicates whether the inspection was an initial inspection.
inspection_type_reinspectionInspection type reinspection	boolean	Indicates whether the inspection was a follow-up re-inspection.Indicates whether the inspection was a follow-up re-inspection.
inspection_type_complaintInspection type complaint	boolean	Indicates whether the inspection was triggered by a complaint.Indicates whether the inspection was triggered by a complaint.
responsible_person_full_nameResponsible person full name	string	Full name of the person responsible for the property.Full name of the person responsible for the property.
responsible_person_father_nameResponsible person father name	string	Father's name of the person responsible for the property.Father's name of the person responsible for the property.
responsible_person_tax_numberResponsible person tax number	string	Tax identification number of the responsible person.Tax identification number of the responsible person.
responsible_person_tax_officeResponsible person tax office	string	Tax office where the responsible person is registered.Tax office where the responsible person is registered.
responsible_person_id_passport_numberResponsible person id passport number	string	ID card or passport number of the responsible person.ID card or passport number of the responsible person.
responsible_person_issuing_authorityResponsible person issuing authority	string	Authority that issued the responsible person's identification document.Authority that issued the responsible person's identification document.
responsible_person_addressResponsible person address	string	Residential address of the responsible person.Residential address of the responsible person.
responsible_person_phoneResponsible person phone	string	Contact phone number of the responsible person.Contact phone number of the responsible person.
cleaning_work_dry_branches_removedCleaning work dry branches removed	string	Indicates whether dry branches were removed from the plot.Indicates whether dry branches were removed from the plot.
cleaning_work_dry_vegetation_removedCleaning work dry vegetation removed	string	Indicates whether dry vegetation was removed from the plot.Indicates whether dry vegetation was removed from the plot.
cleaning_work_tree_pruning_doneCleaning work tree pruning done	string	Indicates whether tree pruning was carried out on the plot.Indicates whether tree pruning was carried out on the plot.
cleaning_work_shrub_thinning_doneCleaning work shrub thinning done	string	Indicates whether shrub thinning was carried out on the plot.Indicates whether shrub thinning was carried out on the plot.
cleaning_work_flammable_materials_removedCleaning work flammable materials removed	string	Indicates whether flammable materials were removed from the plot.Indicates whether flammable materials were removed from the plot.
cleaning_work_safe_collection_doneCleaning work safe collection done	string	Indicates whether cleared materials were safely collected and disposed of.Indicates whether cleared materials were safely collected and disposed of.
inspection_result_complianceInspection result compliance	boolean	Indicates whether the property complied with fire safety requirements.Indicates whether the property complied with fire safety requirements.
inspection_result_fine_imposedInspection result fine imposed	boolean	Indicates whether a fine was imposed as a result of the inspection.Indicates whether a fine was imposed as a result of the inspection.
inspection_result_fine_and_fire_department_notifiedInspection result fine and fire department notified	boolean	Indicates whether a fine was imposed and the fire department was notified.Indicates whether a fine was imposed and the fire department was notified.
comments	string	Free-text comments recorded during the inspection.Free-text comments recorded during the inspection.
attachments_photo_and_mapAttachments photo and map	string	Reference to attached photos and maps of the inspection.Reference to attached photos and maps of the inspection.
kaek	string	National cadastral property identifier (ΚΑΕΚ).National cadastral property identifier (ΚΑΕΚ).
main_useMain use	string	Main declared use of the property.Main declared use of the property.
percentage	int	Ownership or use percentage associated with the property.Ownership or use percentage associated with the property.
descr	string	Textual description of the property or record.Textual description of the property or record.
prop_vertProp vert	int	Number of vertical (building) property shares.Number of vertical (building) property shares.
prop_horProp hor	int	Number of horizontal (floor/unit) property shares.Number of horizontal (floor/unit) property shares.
link	string	Link to the corresponding cadastral office page.Link to the corresponding cadastral office page.
area	double	Area of the plot, in square meters.Area of the plot, in square meters.
perimeter	double	Perimeter of the plot, in meters.Perimeter of the plot, in meters.
shape__areaShape area	double	Calculated area of the geometry.Calculated area of the geometry.
shape__lengthShape length	double	Calculated perimeter length of the geometry.Calculated perimeter length of the geometry.
controller	string	Name of the inspector who carried out the control.Name of the inspector who carried out the control.
layer	string	Name of the map layer the record belongs to.Name of the map layer the record belongs to.
path	string	File path reference associated with the record.File path reference associated with the record.
controller2	string	Name of the second inspector who took part in the control.Name of the second inspector who took part in the control.
key_testKey test	string	Internal key field used for testing purposes.Internal key field used for testing purposes.
id	int	Unique identifier of the record.Unique identifier of the record.
dir	double	Direction value associated with the street segment.Direction value associated with the street segment.
type	double	Numeric code indicating the type of street segment.Numeric code indicating the type of street segment.
namegrk	string	Name of the street in Greek.Name of the street in Greek.
nameeng	string	Name of the street in English.Name of the street in English.
fromleft	double	Starting house number on the left side of the street segment.Starting house number on the left side of the street segment.
toleft	double	Ending house number on the left side of the street segment.Ending house number on the left side of the street segment.
fromright	double	Starting house number on the right side of the street segment.Starting house number on the right side of the street segment.
toright	double	Ending house number on the right side of the street segment.Ending house number on the right side of the street segment.
length	double	Length of the street segment.Length of the street segment.
pid	int	Unique identifier of the record.Unique identifier of the record.
onoma	string	Name of the entity, in Latin/transliterated form.Name of the entity, in Latin/transliterated form.
onoma_grOnoma gr	string	Name of the entity in Greek.Name of the entity in Greek.
katigoria	string	Category classification of the entity.Category classification of the entity.
xrisi	string	Land or building use classification.Land or building use classification.
poleod_enoPoleod eno	long	Code of the urban planning unit the plot belongs to.Code of the urban planning unit the plot belongs to.
kt	double	Building coverage coefficient of the plot.Building coverage coefficient of the plot.
isogeio	double	Value related to ground-floor coverage or use.Value related to ground-floor coverage or use.
f1_orF1 or	double	Building limit value for the first floor.Building limit value for the first floor.
f2_orF2 or	double	Building limit value for the second floor.Building limit value for the second floor.
f3_5F3 5	double	Building limit value for floors three to five.Building limit value for floors three to five.
f6or	double	Building limit value for the sixth floor and above.Building limit value for the sixth floor and above.
meg_ypsosMeg ypsos	double	Maximum permitted building height for the plot.Maximum permitted building height for the plot.
sd	double	Building density coefficient (συντελεστής δόμησης) of the plot.Building density coefficient (συντελεστής δόμησης) of the plot.
syn_orofonSyn orofon	double	Total permitted number of floors for the plot.Total permitted number of floors for the plot.
mes_ypsosMes ypsos	double	Average building height for the plot.Average building height for the plot.
prag_sdPrag sd	double	Actual building density coefficient achieved on the plot.Actual building density coefficient achieved on the plot.
pos_sdPos sd	double	Remaining available building density coefficient for the plot.Remaining available building density coefficient for the plot.
ot_numberOt number	string	Building block (Ο.Τ.) number or code.Building block (Ο.Τ.) number or code.
entos_ektoEntos ekto	string	Indicates whether the plot lies inside or outside the town plan.Indicates whether the plot lies inside or outside the town plan.
xml_onomasia_xorouXml onomasia xorou	string	Name of the open space or area.Name of the open space or area.
xml_dieuthinsiXml dieuthinsi	string	Address of the open space or area.Address of the open space or area.
xml_katigoria_xorouXml katigoria xorou	string	Category of the open space or area.Category of the open space or area.
xml_paidiki_xaraXml paidiki xara	string	Indicates whether a playground is present in the space.Indicates whether a playground is present in the space.
xml_gipedoXml gipedo	string	Indicates whether a sports field is present in the space.Indicates whether a sports field is present in the space.
xml_syntrivnaniXml syntrivnani	string	Indicates whether a fountain is present in the space.Indicates whether a fountain is present in the space.
xml_methodos_adreusidXml methodos adreusid	string	Method used for watering/irrigation of the space.Method used for watering/irrigation of the space.
xml_nero_adreusisXml nero adreusis	string	Source of water used for irrigation of the space.Source of water used for irrigation of the space.
xml_programmatistisXml programmatistis	string	Irrigation controller/programmer device used for the space.Irrigation controller/programmer device used for the space.

Schema captured from wfs 1 month ago.

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Sample data (3 records)

Record 1fid: 38 · gid: 14025

{
  "fid": 38,
  "gid": 14025,
  "area": 282.4644755092081,
  "kaek": "051470882002",
  "link": "https://www.ktimatologio.gr/ota/05147",
  "path": null,
  "descr": null,
  "layer": null,
  "comments": null,
  "key_test": null,
  "main_use": null,
  "prop_hor": 0,
  "perimeter": 67.88810590677173,
  "prop_vert": 0,
  "controller": "Ι. ΜΥΛΩΝΑΚΗΣ",
  "percentage": null,
  "controller2": "Α. ΧΑΤΖΗΓΕΩΡΓΙΟΥ",
  "shape__area": 456.0908203125,
  "shape__length": 86.27766197315412,
  "control_data_date": "2025-07-18T03:52:31.571Z",
  "control_data_time": "2025-07-18T09:52:31.571",
  "control_data_number": null,
  "control_data_street": null,
  "control_data_settlement": "ΧΑΛΑΝΔΡΙ",
  "inspection_type_initial": false,
  "responsible_person_phone": null,
  "attachments_photo_and_map": null,
  "control_data_coordinate_x": 481262,
  "control_data_coordinate_y": 4206507,
  "control_data_municipality": "ΧΑΛΑΝΔΡΙΟΥ",
  "inspection_type_complaint": true,
  "control_data_regional_unit": "ΒΟΡΕΙΟΥ ΤΟΜΕΑ ΑΘΗΝΩΝ",
  "responsible_person_address": null,
  "control_data_area_type_open": true,
  "control_data_municipal_unit": "ΧΑΛΑΝΔΡΙΟΥ",
  "inspection_result_compliance": false,
  "inspection_type_reinspection": false,
  "responsible_person_full_name": null,
  "control_data_area_type_fenced": false,
  "responsible_person_tax_number": null,
  "responsible_person_tax_office": null,
  "control_data_adjacency_details": "Κατοικια, γραφεια",
  "inspection_result_fine_imposed": true,
  "responsible_person_father_name": null,
  "cleaning_work_tree_pruning_done": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "cleaning_work_shrub_thinning_done": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "cleaning_work_dry_branches_removed": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "cleaning_work_safe_collection_done": "ΟΧΙ",
  "control_data_national_cadastre_code": "051470882002",
  "cleaning_work_dry_vegetation_removed": "ΟΧΙ",
  "responsible_person_issuing_authority": null,
  "responsible_person_id_passport_number": null,
  "cleaning_work_flammable_materials_removed": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "inspection_result_fine_and_fire_department_notified": false
}

Record 2fid: 55 · gid: 14026

{
  "fid": 55,
  "gid": 14026,
  "area": 249.98276165830285,
  "kaek": "051471168062",
  "link": "https://www.ktimatologio.gr/ota/05147",
  "path": null,
  "descr": null,
  "layer": null,
  "comments": null,
  "key_test": null,
  "main_use": null,
  "prop_hor": 0,
  "perimeter": 63.789220921551625,
  "prop_vert": 0,
  "controller": "Ι. ΜΥΛΩΝΑΚΗΣ",
  "percentage": null,
  "controller2": "Α. ΝΙΚΟΛΑΟΥ",
  "shape__area": 403.8251953125,
  "shape__length": 81.07937843076789,
  "control_data_date": "2025-06-24T04:57:27.424Z",
  "control_data_time": "2025-06-24T10:57:27.424",
  "control_data_number": null,
  "control_data_street": null,
  "control_data_settlement": "ΧΑΛΑΝΔΡΙ",
  "inspection_type_initial": true,
  "responsible_person_phone": null,
  "attachments_photo_and_map": null,
  "control_data_coordinate_x": 484940,
  "control_data_coordinate_y": 4208333,
  "control_data_municipality": "ΧΑΛΑΝΔΡΙΟΥ",
  "inspection_type_complaint": false,
  "control_data_regional_unit": "ΒΟΡΕΙΟΥ ΤΟΜΕΑ ΑΘΗΝΩΝ",
  "responsible_person_address": null,
  "control_data_area_type_open": false,
  "control_data_municipal_unit": "ΧΑΛΑΝΔΡΙΟΥ",
  "inspection_result_compliance": true,
  "inspection_type_reinspection": false,
  "responsible_person_full_name": null,
  "control_data_area_type_fenced": true,
  "responsible_person_tax_number": null,
  "responsible_person_tax_office": null,
  "control_data_adjacency_details": null,
  "inspection_result_fine_imposed": false,
  "responsible_person_father_name": null,
  "cleaning_work_tree_pruning_done": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "cleaning_work_shrub_thinning_done": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "cleaning_work_dry_branches_removed": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "cleaning_work_safe_collection_done": "ΝΑΙ",
  "control_data_national_cadastre_code": "051471168062",
  "cleaning_work_dry_vegetation_removed": "ΝΑΙ",
  "responsible_person_issuing_authority": null,
  "responsible_person_id_passport_number": null,
  "cleaning_work_flammable_materials_removed": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "inspection_result_fine_and_fire_department_notified": false
}

Record 3fid: 886 · gid: 14027

{
  "fid": 886,
  "gid": 14027,
  "area": 268.1073759374512,
  "kaek": "051471193020",
  "link": "https://www.ktimatologio.gr/ota/05147",
  "path": null,
  "descr": null,
  "layer": null,
  "comments": null,
  "key_test": null,
  "main_use": null,
  "prop_hor": 0,
  "perimeter": 69.75450809637141,
  "prop_vert": 0,
  "controller": "Ι. ΜΥΛΩΝΑΚΗΣ",
  "percentage": null,
  "controller2": "Α. ΧΑΤΖΗΓΕΩΡΓΙΟΥ",
  "shape__area": 433.0751953125,
  "shape__length": 88.67057834370124,
  "control_data_date": "2025-07-15T04:33:04.289Z",
  "control_data_time": "2025-07-15T10:33:04.289",
  "control_data_number": null,
  "control_data_street": null,
  "control_data_settlement": "ΧΑΛΑΝΔΡΙ",
  "inspection_type_initial": true,
  "responsible_person_phone": null,
  "attachments_photo_and_map": null,
  "control_data_coordinate_x": 483973,
  "control_data_coordinate_y": 4208076,
  "control_data_municipality": "ΧΑΛΑΝΔΡΙΟΥ",
  "inspection_type_complaint": false,
  "control_data_regional_unit": "ΒΟΡΕΙΟΥ ΤΟΜΕΑ ΑΘΗΝΩΝ",
  "responsible_person_address": null,
  "control_data_area_type_open": true,
  "control_data_municipal_unit": "ΧΑΛΑΝΔΡΙΟΥ",
  "inspection_result_compliance": false,
  "inspection_type_reinspection": false,
  "responsible_person_full_name": null,
  "control_data_area_type_fenced": false,
  "responsible_person_tax_number": null,
  "responsible_person_tax_office": null,
  "control_data_adjacency_details": null,
  "inspection_result_fine_imposed": true,
  "responsible_person_father_name": null,
  "cleaning_work_tree_pruning_done": "ΟΧΙ",
  "cleaning_work_shrub_thinning_done": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "cleaning_work_dry_branches_removed": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "cleaning_work_safe_collection_done": "ΟΧΙ",
  "control_data_national_cadastre_code": "051471193020",
  "cleaning_work_dry_vegetation_removed": "ΟΧΙ",
  "responsible_person_issuing_authority": null,
  "responsible_person_id_passport_number": null,
  "cleaning_work_flammable_materials_removed": "ΔΕΝ ΑΠΑΙΤΕΙΤΑΙ",
  "inspection_result_fine_and_fire_department_notified": false
}

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Query examples

curl -s 'https://services.chalandri.gr/geoserver/wfs?service=WFS&version=2.0.0&request=GetCapabilities#rg_open' -H 'Accept: application/json'

List the feature types (layers) and supported operations.

Dataset

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License

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