Party Wall Specialists,
Construction Consulting
& Dispute Resolution

With over 20 years of experience, Square One Consulting provides expert party wall surveying, construction dispute resolution, contract administration and project planning services across London and the Home Counties.

Get in Touch Party Wall Matters
20+
Years Experience
CIArb
Accredited
IPWS
Member
CABE
Partner

Our Services

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Party Wall Matters

Covering all aspects of the Party Wall etc. Act 1996 from serving notices and reviewing plans to producing Schedules of Condition and serving Party Wall Awards. We act for both Building Owners and Adjoining Owners.

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Dispute Resolution

Specialist construction dispute resolution across contractor/client disputes, client/neighbour conflicts, and party wall matters. A pragmatic, cost-effective alternative to litigation that gets projects moving again.

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Contract Administration

An impartial third party to administer the contract between you and your contractor managing payments, resolving disputes, conducting site inspections and ensuring the project stays on track.

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Project Planning & Design

Our experienced consultants ensure your project is efficiently managed and executed, delivering high-quality results within your budget and timeline from concept through to completion.

CIArb Associate Institute of Party Wall Surveyors CABE Company Partner Member of Local Surveyors Direct

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Not Sure Where to Begin?

Whether you're planning an extension, have received a party wall notice, or have a construction dispute that needs resolving we're here to help.

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Our Services

Dispute Resolution

Bringing Projects Back to Square One

Not all projects go as planned. When communication breaks down, costs spiral, or work stops the consequences can be significant for everyone involved. Square One Consulting specialises in resolving construction disputes quickly, pragmatically, and cost-effectively.

As a CIArb accredited practice, we act as a neutral, impartial mediator across a range of residential construction disputes. Our goal is to understand each party's position, identify the key issues, and put a clear path forward in place without the need for costly and time-consuming legal proceedings.

Square One Consulting can also provide ongoing support after resolution, ensuring your project continues to run smoothly in line with the contract agreement.

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Dispute resolution meeting

Types of Dispute We Resolve

Project dispute handshake resolution

Contractor & Client Disputes

Issues between contractors and their clients are among the most common in residential construction. Disagreements can arise over payment, delays, variations to the scope of work, defective workmanship, or a complete breakdown in the working relationship.

Common triggers include: payment disputes, scope of work disagreements, delays, defective work, contract interpretation, and financial pressures on either side.

Regardless of who is at fault, our pragmatic approach is focused on one thing getting your project moving again as quickly and cost-effectively as possible.

Client & Neighbour Disputes

Construction work can have a significant impact on neighbouring properties from noise and vibration, to access issues, damage claims, or disputes over shared boundaries and structures. These situations can quickly become personal and difficult to navigate without a neutral third party.

We work with both sides to establish the facts, assess any damage or disruption, and reach a fair resolution helping to preserve the neighbourly relationship wherever possible.

Our experience across construction and surveying means we understand both the technical and human elements of these disputes.
London semi-detached houses
Cracked brick party wall

Party Wall Disputes

Where party wall matters escalate whether due to a failure to serve correct notices, disagreements over the terms of an Award, or damage arising from notifiable works Square One Consulting can step in to resolve the matter efficiently under the Party Wall etc. Act 1996.

We can act as an Agreed Surveyor for both parties, or advise either the Building Owner or Adjoining Owner individually ensuring your position is protected throughout.

Party wall disputes don't have to mean delays or court proceedings. In most cases, early intervention resolves matters swiftly and at minimal cost.

How Construction Mediation Works

1

Voluntary & Confidential

All parties must agree to participate. Discussions in mediation are confidential and cannot be used as evidence in court encouraging open, honest dialogue.

2

Neutral Mediator Appointed

Square One Consulting acts as the neutral, impartial facilitator. We do not make decisions for the parties we guide them toward a resolution that works for everyone.

3

Individual & Joint Sessions

We may hold private sessions with each party to understand their position fully, followed by joint sessions to bring the parties together to discuss solutions.

4

Agreement & Resolution

Once an agreement is reached, it is documented in writing and is typically legally binding providing a clear, enforceable framework for moving forward.

5

Ongoing Support

We can remain involved after mediation concludes, providing contract administration support to ensure the project stays on track and on budget.

Why Choose Mediation?

  • Significantly faster and less expensive than litigation
  • Preserves working and neighbourly relationships
  • Parties remain in control of the outcome
  • Completely confidential nothing is admissible in court
  • Flexible, informal setting no courtroom required
  • Legally binding agreement once reached
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Ready to Resolve Your Dispute?

We aim to respond to all enquiries within one working day. Call us or use the contact form for a free initial consultation.

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Your Guide

The Party Wall Act

The Party Wall etc. Act 1996 provides a framework for preventing and resolving disputes in relation to party walls, boundary walls, and excavations near neighbouring buildings.

What is the Party Wall Act?

The Party Wall etc. Act 1996 is a piece of legislation that came into force in England and Wales on 1 July 1997. It applies to works that directly affect a shared wall, boundary, or structure between two properties or excavations within certain distances of a neighbouring building.

If you intend to carry out any building work that falls under the Act, you are required to serve formal written notice on your neighbours before work begins. Failure to do so can result in injunctions, legal proceedings, and significant delays to your project.

"The Act aims to enable building owners to carry out reasonable works whilst protecting the interests of adjoining owners."
London Victorian terraced houses party wall

Who is the Building Owner?

The Building Owner is the person or entity who wishes to carry out the building works. This might be someone planning a rear extension, a loft conversion, underpinning, or any excavation work close to a shared boundary.

As the Building Owner, you have specific obligations under the Act. You must serve the appropriate party wall notices in advance typically 1 or 2 months before work starts, depending on the type of work involved.

Importantly, the Act also grants Building Owners certain rights to carry out works that might otherwise be considered a trespass or nuisance provided the correct procedures are followed.

A Building Owner who fails to serve notice may face an injunction to stop the works until proper notices have been served and an Award made.
London colourful terraced houses

Who is the Adjoining Owner?

The Adjoining Owner is any person who owns land, a building, or a flat that is adjacent or in proximity to the proposed works. This includes both freeholders and leaseholders with leases of more than one year.

When you receive a party wall notice, you have three options: you can give your written consent to the works, you can dissent and appoint your own surveyor, or you and the Building Owner can jointly appoint an Agreed Surveyor to act impartially on behalf of both parties.

It is important to respond to a party wall notice within 14 days. If you do not respond, you are deemed to have dissented, and a Party Wall Surveyor will be appointed on your behalf.

As an Adjoining Owner, you are entitled to have a Party Wall Award drawn up to protect your property at no cost to you in most cases.
London semi-detached house with extension

Speak to a Qualified Surveyor

Not sure if the Party Wall Act applies to your project? Contact Square One Consulting for a free initial consultation.

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Get in Touch

Contact Us

Let's Talk About Your Project

Whether you have received a party wall notice, are planning works, or have a dispute with a neighbour, our team is ready to help. We respond to all enquiries within one working day.

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Address Suite 28, 708a High Street, London, N12 9JL
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Phone 0788 999 6841
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Email help@sq1consulting.co.uk
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Office Hours Monday Friday: 8:30am 6:00pm

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CIArb Associate Institute of Party Wall Surveyors CABE Company Partner Member of Local Surveyors Direct
Our Services

Project Management & Contract Administration

Your Independent Voice on Site

When you appoint a contractor to carry out works on your home, you are entering into a legal and financial relationship that can be complex to navigate. Without independent oversight, clients often find themselves unable to challenge variations, unclear on what they are paying for, or unsure whether the work meets the standard set out in the contract.

Square One Consulting acts as your independent project manager and contract administrator, sitting between you and your contractor to make sure the project runs smoothly, costs are controlled, and the work is delivered to the standard you were promised.

We work for you, not the contractor. Our role is to hold both sides accountable to the agreed contract, protect your investment, and give you confidence throughout the build process.

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Architectural drawings project management

What Does a Contract Administrator Do?

Contract administration means there is a qualified, impartial party overseeing the relationship between you and your contractor. Think of us as the referee. We are not on the contractor's side, and we are not simply an advocate for the client. Our job is to make sure the contract is followed fairly by both parties and that the project moves forward as it should.

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Contract Review and Setup

Before work begins, we review the contract documents, drawings and specification to ensure everything is clearly defined. Vague scope descriptions are one of the leading causes of disputes, and we address these before they become a problem.

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Site Inspections

We carry out regular site visits throughout the project to monitor progress, check the quality of workmanship against the specification, and flag any issues early before they become costly to rectify.

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Payment Certification

We review and certify each payment application from the contractor. Clients should only pay for work that has been properly completed to the required standard. We make sure you are never overpaying at any stage of the build.

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Variations and Changes

Any changes to the original scope of works should be formally instructed and priced before being carried out. We manage this process end to end, ensuring variations are agreed in writing and that you are never faced with unexpected costs at the end of a project.

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Dispute Prevention and Resolution

Most construction disputes are avoidable. With a contract administrator in place from the outset, issues are identified and addressed before they escalate. If a dispute does arise, we are already familiar with the project and can step in quickly to help resolve it.

Practical Completion and Snagging

At the end of the project, we carry out a thorough snagging inspection and issue the Certificate of Practical Completion only once the works meet the required standard. We also manage the defects liability period to ensure any outstanding issues are resolved by the contractor at no additional cost to you.

How We Work With You

1

Initial Consultation

We sit down with you to understand the project, the contract in place, and where you are in the build process. We can step in at any stage, whether before work starts or midway through a project that has run into difficulty.

2

Contract and Documentation Review

We review all contract documents, drawings, specifications and any correspondence to get a clear picture of what has been agreed and what obligations each party has.

3

Ongoing Site Presence

Throughout the project, we attend site at key stages, review progress against the programme, assess quality of work, and keep you updated in plain language on how things are going.

4

Payment and Variation Management

We manage all payment applications and formally instruct any changes to the scope. Nothing gets paid and nothing gets changed without our review and your approval.

5

Completion and Sign-Off

At the end of the project we issue the Practical Completion Certificate, manage the snagging list, and oversee the defects liability period to ensure you receive the finished project you were promised.

Contract administration meeting

Why Does This Matter?

Most residential clients have never run a construction project before. Contractors, on the other hand, do this every day. Without someone in your corner who understands the contract, the process, and what good work looks like, the balance of power sits firmly with the contractor.

We level that playing field. Our involvement typically costs far less than the disputes, overcharging and defective work we prevent.

When Should You Appoint a Contract Administrator?

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Extensions and Loft Conversions

Any significant works to your home where the contract value is over £20,000 warrants independent oversight.

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Project in Difficulty

If your project has stalled, costs are spiralling, or communication with your contractor has broken down, we can step in at any stage.

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No Formal Contract in Place

Working without a contract is common and risky. We can help you put the right agreements in place before work starts.

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Facing a Dispute

Whether it is a payment dispute, defective work, or a disagreement over scope, we can advise and help you reach a resolution.

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Ready to Protect Your Project?

Get in touch today for a free initial consultation. We will tell you honestly whether you need us and what our involvement would cost.

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