Side Return & Rear Extensions
The classic local project. New foundations near the neighbour, or building to the boundary, bring the Act into play under the excavation and boundary provisions.
Sections 1 & 6Planning works on a Shepherd's Bush home, or just received a Party Wall Notice from a neighbour? LENIO Party Wall Surveyors handles the whole process for you.
Looking for a party wall surveyor in Shepherd's Bush? LENIO Party Wall Surveyors works across Askew Road, Wendell Park, Goldhawk Road, Brackenbury and the Green, on both sides of the wall.
This is part of our West London coverage, with terraces and converted flats. Most side returns, lofts and extensions here engage the Party Wall etc. Act 1996.
Most homeowners here ask this before a side return, loft or extension, usually when an architect raises it. Whether you need a notice depends on the works and how close they sit to your neighbour.
This guide sets out exactly which works are notifiable, how proximity to the boundary matters, and what to do if you are uncertain.
The terraces here sit wall to wall, so works almost always affect a shared wall or dig close to next door. That is why most projects are notifiable, and the party wall notice Shepherd's Bush projects require is the first formal step. Our guide on whether you need a Party Wall Notice covers it in full.
Shepherd's Bush is built on Victorian and Edwardian terraces, many now split into flats. Around Askew Road, Wendell Park and Brackenbury, the streets are close and the houses share walls on both sides. The side return is the classic project.
On a whole house, a side return, loft or rear extension brings the usual triggers. In a converted flat, cutting into a shared wall is notifiable too, and there can be more than one owner to serve.
Either way, most works here touch a neighbour. A clear notice and record keep the project moving.

Most Shepherd's Bush projects engage the Act through one of four works. Each triggers a different notice.
The classic local project. New foundations near the neighbour, or building to the boundary, bring the Act into play under the excavation and boundary provisions.
Sections 1 & 6Steel beams bearing on the party wall, or raising it to form a gable, are structural works served under a Party Structure Notice.
Section 3Cutting into a shared wall in a converted flat is notifiable work to a party structure, just as on a whole house.
Sections 2 & 3Removing a breast that forms part of a shared stack is work to a party structure. That applies even when the rest of the job is on your side.
Party StructureThe most common mistake we see in Shepherd's Bush is serving a do-it-yourself notice using a template found online. It looks simple, so owners fill one in and post it themselves.
A notice has to name the right owners, describe the works correctly and give the proper dates and periods. Get any of those wrong and the notice is invalid, which means it does not start the clock.
An invalid notice has to be served again, costing weeks. We get it right the first time, so the project is not delayed by a paperwork error.
Whatever point you are at, LENIO Party Wall Surveyors handles it for owners in Shepherd's Bush. These services cover the full process, whether you are building or being built next to.

Getting the right notice served on the right people is the foundation of the whole process for a Shepherd's Bush project, and where most delays start if it is missed.
Explore Party Wall Notices →
Before work begins, we build a photographic record of the neighbouring property. It becomes the reference point if a damage dispute ever comes up.
Explore Schedule of Condition →
A dissent from your neighbour means an Award is needed before works can proceed. We prepare it, covering hours, access and condition.
Explore Party Wall Awards →
For the owner carrying out the works, we handle the notices and keep the Shepherd's Bush project moving on schedule.
Explore Building Owner Surveyor →
For the neighbour who has received a notice, we protect their interests, usually with the Building Owner covering the cost.
Explore Adjoining Owner Surveyor →
Where a single impartial surveyor suits both owners, LENIO can fill that role, which is often the quicker and cheaper path after a dissent.
Explore Agreed Surveyor →Three terms Shepherd's Bush homeowners ask about most, and what each one actually means for your project.
A Party Wall Award is the document surveyors prepare when a neighbour dissents to your notice. It sets out how the works are carried out, the working hours, access arrangements and a Schedule of Condition. You only need one if your neighbour dissents, or does not respond within 14 days. If they consent in writing, the works proceed on the notice alone.
Many homeowners say party wall agreement when they mean either written consent or the Award that follows a dissent. A verbal yes gives no protection. If your neighbour consents in writing, that written consent is the agreement Shepherd's Bush owners rely on. If they dissent, the Award becomes the formal agreement that governs the works.
Before works begin, a party wall survey records the condition of the neighbouring property in photographs and notes. On these terraces and converted flats, that baseline is what settles any later question about damage. Both owners hold the same record, so neither side can argue about what the property looked like before the works.
It generally only takes a quick review of your plans to establish whether notice is required, which notice, how long it should take, and what comes next. LENIO Party Wall Surveyors provides that first opinion free, with no strings attached. For Shepherd's Bush, that usually starts with a look at how your side return & rear extensions sits relative to the boundary.
In Shepherd's Bush, the party wall surveyor's job goes well beyond paperwork. It means reading your project correctly, identifying every owner who has to be served, and resolving disputes early enough that the works are not held up.
LENIO Party Wall Surveyors is a specialist practice, led by a Chartered Civil Engineer and Member of the Institution of Civil Engineers (ICE). The lead surveyor is also a Chartered Building Engineer and Member of the Chartered Association of Building Engineers (CABE). On Shepherd's Bush side returns, lofts and converted flats, that mix of engineering and party wall knowledge is exactly what the job needs.
LENIO knows the local terraces and conversions well, and handles the process end to end. We keep your neighbour relationship calm while the works go ahead. LENIO is the party wall surveyor Shepherd's Bush homeowners call first.
Chartered Civil Engineer, Member of the ICE
Chartered Building Engineer, Member of the CABE
LENIO is based in central London and covers Shepherd's Bush and the wider West London area in person. We attend for the party wall survey and the Schedule of Condition, so wherever your project sits in Shepherd's Bush, a chartered surveyor comes to you.
Call LENIO TodayConflict is the exception, not the rule, in a party wall matter. Mostly it is a procedural step, there to protect the neighbouring property while your works go ahead. In Shepherd's Bush, a specialist party wall surveyor gets that done properly and without friction. Here that most often means side return & rear extensions, so it is usually the first thing we ask about.
Cutting corners has real consequences. A notice that is not valid has to be reissued, and that delay lands on your programme. Skip the Schedule of Condition and you have no defence if a damage claim comes in later. And a neighbour who is left in the dark is considerably more likely to dissent.
LENIO Party Wall Surveyors prefers a reassuring tone to an alarming one. The first call is free, and you will have a firm quote once the drawings have been looked over.
Still working through a party wall question? These guides answer the most common ones in full. Start with the one closest to your situation, or explore the full library.
Which works are notifiable, how proximity to the boundary matters, and what to do if you are uncertain.
Explore The Guide →If your neighbour dissents, your project is not blocked. The surveyor route, the Award, and how long a dissent adds.
Explore The Guide →What each one is, when each applies, and how a notice can lead to an Award, so you know which applies to you.
Explore The Guide →The timeline stage by stage, what makes it longer or shorter, and how serving notice early keeps you on schedule.
Explore The Guide →Typical fee ranges for notices and Awards, who pays, and how to keep your party wall costs down.
Explore The Guide →What it includes, when you need one, what it costs, and how it protects both sides if damage is alleged.
Explore The Guide →Yes. LENIO Party Wall Surveyors works across the whole area, from Askew Road and Wendell Park to Goldhawk Road, Brackenbury and the Green. If your street is not named on this page, a quick call confirms that we cover it.
We travel to you for the party wall survey and the Schedule of Condition, as part of our West London coverage.
You can, but it is easy to get wrong. A notice must name the right owners, describe the works correctly and give the proper dates and periods. Any error makes it invalid.
An invalid notice does not start the clock and has to be served again. We get it right the first time, so your project is not delayed.
Usually, yes. A side return digs new foundations near the boundary and often ties into the shared wall, which engages the Act. The works decide it, not the size of the extension.
A quick look at your drawings confirms which notices apply before you commit to a start date.
Often, yes. Cutting into or altering a shared wall in a converted flat is notifiable work to a party structure. The same triggers apply as in a whole house.
We confirm which notices your works need, and who must be served, before anything goes out.
There is no single price, because the cost depends on how your neighbour responds and how many owners are involved. A consented notice sits at the low end, while a party wall award in Shepherd's Bush, after a dissent, costs more.
LENIO gives free initial advice and a clear quote after reviewing your drawings. You will know the cost before any work begins.
Whether you are drawing up plans or holding a notice someone else has served, LENIO Party Wall Surveyors works throughout Shepherd's Bush and West London. Contact us for free initial advice and a quote tailored to your project. Side Return & Rear Extensions is the project we see most often here, so we usually know the ground before we start.