A Comprehensive Guide to Joint Planning Applications for Neighbouring Properties

28 May

When it comes to neighbours, there are two types of people: those who’d loan you a cup of sugar and those who’d swipe it when you’re not looking. If you fall into the first category and enjoy a friendly rapport with your next-door companion, then a joint planning application might just be the perfect collaboration for you. But if you’re more the “good fences make good neighbors” type, perhaps consider a solo venture instead..

single storey extension designed by local architects — **Bird's-eye view of new joint rear extensions in Whetstone, N20.**

An elegant way to connect the two extensions is to create a seamless link that eliminates the need for a parapet wall. This enhances aesthetics, resolves drainage issues, and reduces construction costs.

What Is a Joint Planning Application?

A joint planning application is like a co-op project for grown-ups—two or more adjoining property owners team up to submit a single planning proposal. It’s a move often orchestrated by an architect (cue the heroes of the story). Think of it as teamwork with a legal twist: shared plans, synchronized construction, and ideally, minimal neighborly spats.

But fair warning: this isn’t just a casual handshake agreement. Once approved, both parties are legally obligated to begin construction simultaneously. So, if your neighbor’s idea of "timely" involves finishing their morning coffee and an entire Netflix series, you might want to reconsider.

Joint rear extensions designed by local architect in Barnet — **Perspective view of new joint rear extensions in Whetstone, N20.**

The picture shows that well-designed joint extensions make a full-width glass solution possible and attractive. This design improves the look and lets in plenty of natural light.

The Perks of a Joint Planning Application

Bigger and Better Plans: Certain designs, like seamless two-story rear extensions, are more likely to be approved when neighbors team up. A united front is hard for planning authorities to resist.
Shared Costs: Split the architect fees, the paperwork costs, and maybe even the celebratory champagne afterward. Everyone loves a discount.
Reduced Neighborly Tension (Hopefully): Avoid casting your neighbor’s garden into eternal shadow by designing complementary extensions.

The Potential Pitfalls

Of course, no great plan comes without its risks:

Timing Issues: Both parties must adhere to the agreed schedule. If one neighbor delays, it could invalidate the planning consent. Awkward, right?
Communication Challenges: Clear, friendly communication is key. If you and your neighbor don’t see eye to eye (literally or figuratively), it’s best to tread carefully.
Shared Architect Required: One architect overseeing the project ensures consistency, but it also means both neighbors must trust the same professional.

Planning Permission: When You Need It

Not every home improvement needs planning permission. For example, projects that stay within the current footprint of your house often fall under “permitted development.” But when you’re looking at big-ticket changes—think deeper extensions or adding a basement lightwell—it’s time to call in the professionals.

At MBBM Studio Architects, we specialize in determining exactly what permissions are needed for your project. We’ll also work with you to design a space that maximizes functionality while keeping local planning authorities happy.

Approaching Your Neighbor

Here’s where your diplomatic skills come into play. Start with a casual chat—perhaps over coffee or a friendly wave across the garden fence. Explain how a joint application could be a win-win: lower costs, better chances of approval, and a harmonious design that works for everyone.

Emphasize how their cooperation could prevent issues like light-blocking or tunnel effects, especially in semi-detached properties. If needed, suggest bringing in an experienced architect (hi, that’s us!) to guide the process and ensure fairness for both parties.

Why Choose MBBM Studio Architects

With extensive experience in small-scale residential developments, MBBM Studio Architects is your go-to team for navigating the ins and outs of joint planning applications. We’ll not only handle the technical side but can also act as a friendly mediator between neighbors. Plus, our fees for joint applications are competitively priced, leaving you more budget for the fun stuff—like picking out new curtains for your shiny extension.

Whether you’re dreaming of a brighter kitchen or extra space for your growing family, we’re here to make it happen—without sacrificing your neighborly goodwill.

Reach out to MBBM Studio Architects today, www.mbbmstudioarchitect.co.uk , and let’s turn your dream into reality. Because good neighbors and good extensions make for great living.