OPDA Knowledge base
Schema Page 38e1 Generated 2026-05-17 DAMA · Data Modeling & Design

Leasehold · term & shared ownership

7 leaves 100.0% Declaration 0.0% Evidence 0.0% Derivation 7 in overlays 0 with worked example

Entity relationships

--- config: layout: elk elk: direction: DOWN nodePlacementStrategy: BRANDES_KOEPF mergeEdges: false --- erDiagram Transaction ||--o| PropertyPack : "propertyPack" PropertyPack ||--o| Ownership : "ownership" Ownership ||--o{ OwnershipsToBeTransferred : "ownershipsToBeTransferred" OwnershipsToBeTransferred ||--o| LeaseholdInformation : "leaseholdInformation" LeaseholdInformation ||--o| SharedOwnership : "sharedOwnership" LeaseholdInformation ||--o| LeaseTerm : "leaseTerm" Transaction { } PropertyPack { } Ownership { } OwnershipsToBeTransferred { } LeaseholdInformation { } LeaseTerm { integer lengthOfLeaseInYears "Length of lease (years)" integer startYearOfLease "Year that the lease commenced" } SharedOwnership { string isSharedOwnership "isSharedOwnership" number sharedOwnershipPercentage "Shared ownership percentage" number sharedOwnershipRent "Shared ownership rent (£)" string sharedOwnershipRentFrequency "Shared ownership rent frequency" }
Physical model — every JSON object owned by this page is a node, every scalar field a row. 7 objects, 7 scalar fields. Generated from the schema walk; click any node to jump to its table.

Object model

Term & shared ownership

Transaction

transaction (root)

No scalar fields on this object — pure container.

Property Pack

propertyPack

No scalar fields on this object — pure container.

Ownership

propertyPack.ownership

No scalar fields on this object — pure container.

Ownerships To Be Transferred[]

propertyPack.ownership.ownershipsToBeTransferred[]

No scalar fields on this object — pure container.

Leasehold Information

propertyPack.ownership.ownershipsToBeTransferred[].leaseholdInformation

No scalar fields on this object — pure container.

Lease Term

propertyPack.ownership.ownershipsToBeTransferred[].leaseholdInformation.leaseTerm
Title Description Type Kind Field Required Overlays Affordance
Length of lease (years) integer Declaration lengthOfLeaseInYears
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
Property Information Questionnaire (PIQ)
Year that the lease commenced integer Declaration startYearOfLease
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)

Shared Ownership

propertyPack.ownership.ownershipsToBeTransferred[].leaseholdInformation.sharedOwnership
Title Description Type Kind Field Required Overlays Affordance
isSharedOwnership Is the lease on a Shared Ownership basis? string Declaration isSharedOwnership
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
Law Society Leasehold Information Form (TA7)
isSharedOwnership Is the lease on a Shared Ownership basis? string Declaration isSharedOwnership
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
Law Society Leasehold Information Form (TA7)
Shared ownership percentage number Declaration sharedOwnershipPercentage
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
Shared ownership rent (£) number Declaration sharedOwnershipRent
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
Shared ownership rent frequency Enumeration: Yearly, Monthly, Weekly. string Declaration sharedOwnershipRentFrequency
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)

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