Securing a Lawful Development Certificate (LDC) for a rear dormer under 40m³ on a residential outrigger in Haringey is a clear demonstration of how strategic guidance and experienced negotiation can turn a complex planning route into a smooth approval. Through our dialogue with Haringey Council, we ensured the proposal was fully aligned with permitted development criteria, addressing technical details such as volume calculations, roof alterations, materials, and amenity considerations. By providing precise evidence and proactively clarifying points of policy interpretation, we reduced uncertainty for both the client and the council, resulting in a swift and positive decision.


This application highlights the significant benefits of using a Lawful Development Certificate, especially for homeowners planning dormer extensions. An LDC provides complete legal certainty that the works fall within permitted development rights, protecting the property’s value and eliminating future risk during construction, sale, or refinancing. The approved dormer delivers meaningful gains in internal space and usability, often allowing for a new bedroom, office, or living area, without the time, cost, or risk associated with a full planning application. For properties in boroughs like Haringey, where planning scrutiny can be detailed and highly localised, having a formally recognised certificate is especially valuable.

For potential clients, this approval demonstrates exactly what our planning team does best: de-risking projects, maximising development potential, and navigating council processes with confidence and accuracy. We handle everything from technical drawings and policy interpretation to direct communication with case officers, ensuring your proposal is positioned for success from day one. Whether you are considering a dormer, extension, conversion, or a more complex development, we provide the strategic expertise that gets results.
If you are looking to enhance your home while avoiding planning pitfalls, let us take your project from idea to approval with the same diligence and efficiency delivered in this Haringey case. Your vision deserves a team that knows how to get permissions granted—first time, every time.

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