Detailed zoning plan (detaljregulering)
A detailed zoning plan is a zoning plan at a lower level of detail than an area zoning plan, usually prepared for one or a few development projects. It sets out precisely where buildings may stand, which heights and volumes are permitted, which purposes the land may serve, where access and parking are placed, and which sequencing requirements apply. A detailed zoning plan is the most common legal basis for a building permit in new housing projects and commercial developments.
The legal basis is section 12-3 of the Planning and Building Act, which defines the detailed zoning plan as a tool for following up the land use element of the municipal master plan and for carrying out building and construction work. Unlike an area zoning plan, which covers larger geographical areas and is usually prepared by the municipality itself, a detailed zoning plan can be put forward by private proposers. The right to submit private planning proposals also follows from section 12-3 of the Planning and Building Act: a landowner, a developer or others with a legal interest may prepare and submit a planning proposal, while section 12-8 of the Planning and Building Act governs the start-up process itself, with a start-up meeting and public notice. The municipality is the planning authority and makes the decision under section 12-12 of the Planning and Building Act.
The process is demanding. It starts with a planning initiative and a start-up meeting with the municipality under section 12-8 of the Planning and Building Act, public notice of the start-up, an impact assessment if the regulations trigger one, public consultation on the planning proposal for at least 6 weeks under section 12-10 of the Planning and Building Act, reworking after comments, and a final decision by the municipal council. The whole run typically takes 1.5 to 3 years for a medium-sized housing project, and can stretch considerably longer if a sector authority lodges an objection or the case goes to mediation with Statsforvalteren. The proposer bears the cost of assessments, illustrations, zoning provisions and the plan map.
An adopted detailed zoning plan consists of three main documents: the plan map (which shows land use purposes, building boundaries and consideration zones), the zoning provisions (the written rules), and the plan description (which explains why the plan is designed as it is). The plan map and the provisions are legally binding; the plan description is not, but it is used as a source of interpretation. Sequencing provisions in the plan can require a footpath, a playground or water and sewer infrastructure to be in place before the first permit for use, and they are often the largest financial risk in the development.
A detailed zoning plan has a time-limited binding effect. Under section 16-2 of the Planning and Building Act, the municipality's power to decide on expropriation lapses 10 years after the plan was announced, and provisions on development lose practical force once the plan is more than 10 years old. An old detailed zoning plan is not automatically invalid, but the municipality can require a new plan or a dispensation before a building permit is granted. Where an older detailed zoning plan conflicts with a newer municipal master plan, the older detailed zoning plan applies to the area in question, unless the municipal master plan expressly repeals it.
A detailed zoning plan differs from an area zoning plan, which is broader and more strategic, and from a dispensation, which is an assessment of a single case without changing the plan. For a developer, the key question is often this: can we build under the existing plan, do we need a dispensation, or is a new detailed zoning plan required? The answer shifts the project timeline by 1 to 3 years.
In Placepoint you can see the detailed zoning plans that apply to a property through map layers, open the plan provisions from the property panel, and use the example Zoning and maximum UFA to work out the maximum permitted use of the site.
How this looks in Placepoint
In Placepoint you find this in the Property panel:
From the Placepoint glossary: Detaljregulering
More information: Lovdata: Planning and Building Act section 12-3, Lovdata: section 12-8 on starting zoning plan work, Regjeringen: Reguleringsplanveileder (zoning plan guide)
English: Detailed zoning plan.
Frequently asked questions
What is a detailed zoning plan?
A detailed zoning plan is a zoning plan at a lower level of detail than an area zoning plan, usually for one or a few development projects. It sets concrete limits for building heights, purposes, parking and sequencing requirements.
Can private parties put forward a detailed zoning plan?
Yes. Under section 12-3 of the Planning and Building Act, a landowner, a developer or others with a legal interest may submit a private planning proposal. The municipality is the planning authority and makes the decision.
How long does a detailed zoning plan take?
A medium-sized housing project typically takes 1.5 to 3 years from start-up to adoption. An objection from a sector authority or mediation with Statsforvalteren can extend the process considerably.
What is the difference between a detailed zoning plan and an area zoning plan?
An area zoning plan covers larger areas and is usually prepared by the municipality. A detailed zoning plan is more detailed and can be put forward by private proposers.
How long is a detailed zoning plan binding?
The provisions formally apply until they are repealed or replaced, but their practical force declines after 10 years. The municipality's power to decide on expropriation lapses 10 years after the public notice under section 16-2 of the Planning and Building Act, and the municipality can require a new plan or a dispensation where zoning is old.