• Works cannot be commenced and advance payments cannot be made before submitting an application, except if a grant is applied for the installation of solar panels and price quotes have been received for the overall design and installation of the panels, the commitments may have been received prior to the submission of the application, but the installation works should be carried out after the submission of the application.
• Disbursement of the grant will be made when the beneficiary has undertaken at least a proportionate share of the supported activities corresponding to the amount of the grant (e.g., if the grant rate is 30%, payment can be claimed if a work file for at least 30% of the activities has been submitted).
• To qualify for the grant, the applicant’s small residential building must have been built on a legal basis, be entered in the building register, and its year of first occupation should be stated (the year is irrelevant).
• Thorough reconstruction – a project that is used to comprehensively perform, pursuant to the requirements provided in the conditions of the grant, at least the thermal insulation of the exterior walls and roof, the replacement of windows, reconstruction of the heating system, and installation of a supply and exhaust ventilation system with heat recovery. As a result of reconstruction, at least Class C energy performance must be achieved.
• The supported activities must conform to the requirements specified in sections 19–24 of the Building Code.
• Expenses must be justified, described in the application, and documented. Cash transactions are not eligible for aid.
• The cost of construction and extension works of small residences is not eligible for the grant.
• The cost of building products and building materials purchased by the grant applicant is not eligible for the grant, meaning that it is not possible to apply for the grant in a way that the applicants themselves carry out the reconstruction works.

• For individual works, the grant rate is 20% of eligible expenses and the maximum grant amount is EUR 20,000 per small residential building.
• With thorough reconstruction, the proportion of the grant of eligible expenses and the maximum grant amount per small residence is:

1. 30% and EUR 20,000 in Tallinn and Tartu as a settlement unit;
2. 40% and EUR 30,000 in Harku rural municipality, Jõelähtme rural municipality, Kiili rural municipality, City of Maardu, Rae rural municipality, Saku rural municipality, Saue rural municipality, except for the territory of the former Kernu rural municipality and Nissi rural municipality as at 14 October 2017, Viimsi rural municipality, Luunja rural municipality, former Ülenurme rural municipality as at 14 October 2017, territory of Tartu rural municipality as at 14 October 2017 and the territory of the former Tähtvere rural municipality as at 14 October 2017;
3. 50% and EUR 40,000 in settlement units and administrative units not specified in the two previous clauses.

• 30% of costs related to purchasing and installing solar panels and the maximum grant amount is EUR 20,000 per small residential building.
• If a grant is being requested for a project that involves the installation of solar panels and, if necessary, other eligible works are performed (e.g. replacement of windows) due to differences in the roof/façade, the grant rate shall be 30% across the board and the maximum grant amount is EUR 20,000.
• The interior finishing of eligible works are supported at the same rate as other works. It is important to note that the costs of the interior finishing can be maximum of 5% of the total cost of the reconstruction works, but in the event of thorough reconstruction it cannot exceed EUR 2,000, and in any other case it cannot exceed EUR 1,000.

• Thermal insulation of the façade, socle or foundation, and the accompanying works.
• Thermal insulation of the roof, ceiling roof or attic ceiling, and the accompanying works.
• Replacement or renovation of windows and exterior doors, and the accompanying works.
• Thermal insulation of the floor of the first storey or the floor located above an unheated room, and the accompanying works.
• Replacement or renovation of the heating system, and the accompanying works.
• Construction, replacement or renovation of the ventilation system, and the accompanying works.
• Purchase and installation of a renewable energy production device, together with the equipment necessary to transform energy, manage consumption load, and store the produced energy, and the accompanying works
• The purchase and installation of solar panels must involve at least 

1. the thermal insulation of the façade, socle or foundation, and the accompanying works or
2. the thermal insulation of the roof, ceiling roof or attic ceiling, and the accompanying works.

If the authorisation for use for a small residential building has been granted in 2000 or later, or if the exterior walls or roof of the residential building have been insulated with a layer of at least 10 cm thickness in 2000 or later, the above-mentioned works are not mandatory for the purchase and installation of solar panels.

• Purchase and installation of waste water heat recovery equipment, and the accompanying works.
• Other works ensuring direct energy savings that are recommended in the construction project, related to thermal insulation or the replacement of technical building systems.
• Restoration of the interior finishing resulting from the activities referred to in clauses 5 3) to 6) of the Regulation.
• Preparation of the construction project necessary to perform the reconstruction works.
• Performance of owner supervision.
• Preparation of the construction project and owner supervision are eligible for aid if the reconstruction works are performed as a part of the project.

• The applicant must be the owner, who is a natural person, of the immovable property or apartment ownership that has been entered into the land register.
• In the case of an immovable property or apartment ownership that is in joint or common ownership, the applicant must be one of the joint owners, who is a natural person, whom all the other joint owners who are natural persons have authorised to represent them.
• At the moment of submitting the application, the address of the applicant’s permanent residence must coincide with the address of the small residence to be reconstructed.
• In the event that the small residence is in the common ownership of a natural and a legal person, the owner who is a natural person can apply for the grant in proportion to the part of the immovable property that they own.
• An application cannot be submitted by an applicant who has breached the conditions of a contract concluded with KredEx in the past five years, or has breached the obligations originating from an administrative act issued by KredEx, which has led to a decision to reclaim the granted aid at least in part.