In paper of the National Congress of the National Institute of Urban Planning, among other things, I read that one of the instruments available in order to channel financial resources in the urban area is identified a "demolition program and reconstruction using the leverage and tax legislation to create a dual housing market (those in class A and "non-standard") can lead to a massive inflow of private resources and to promote, with appropriate incentives, the mobility of residents within the existing building.
The will of the drafters of the document seems to be to promote measures of a certain size financial goal, the demolition of existing buildings and, perhaps, restructuring operations planning. It is these moments where you get a chance to reorganize, perhaps marginally, although portions the building fabric.
levers that are identified and are at least two parts, both from a some classification of the building stock in terms of energy: low energy classes are the incentives and possible displacement is a possible strengthening of the taxation. I suppose sheet.
What effects can be activated by a setting like this? There will be a general reduction in asset value of most real estate (that is not under) due to higher taxation. Alternatively, there may be a significant appreciation of the small portion of housing stock (recent or new construction) which is in Class A or otherwise according to law.
As regards, however, the promotion of real estate operations, I believe the fragmented ownership of the building will determine stock few demolition and reconstruction. The latter, in fact, require not only the temporary use of the property but also some availability of capital (or the willingness to borrow). These conditions can not be met in many cases.
As briefly noted, however, anticipates some results from the urban point of view: even a few significant changes to the demolition and reconstruction (with urban renewal) are likely to produce beneficial effects on specific portions of the building fabric. The results on the energy, however, are intended to be marginal, almost negligible.
The possibility of achieving the effect of reducing the energy needs of our city certainly did not go any intervention by the deployment of high or very high ratings. The tangible effects will arise where a substantial part of existing housing stock will be affected by the reorganization energy interventions.
To enable such a scenario, no matter the achievement of the now infamous Class A. Un condominio esistente, ma forse anche un qualunque villino, è quasi impossibile possa raggiungere anche la Classe B. Se non demolendolo e ricostruendolo. Ma arrivare a Classi di rendimento inferiori (C o anche D) non significa affatto che gli effetti energetici siano irrilevanti. Anzi.
Sulla base di alcuni casi di studio, limitando l'intervento alla sostituzione del generatore condominiale di calore, all'inserimento di nuovi sistemi di regolazione della temperatura interna e alla sostituzione integrale degli infissi, si riesce quasi a dimezzare i consumi stimati per il riscaldamento. Però la classe energetica dell'immobile tende a rimanere inalterata: classe G. E, nel caso di edifici che non hanno il riscaldamento centralizzato, the replacement of the generator is not possible. In addition, you may think you replace the "boilers" with heat pumps.
If these redevelopment energy we add the outer coat, reducing consumption to nearly 75% compared to the baseline situation, but the class obtained energy does not go beyond the class D.
To get a rating even higher, probably would need to take action on any other land border with the outside world, such as those against the ground or into the basement. In other words, it must come in and do all the work in the pits or cellars. I would say impossible situation.
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