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About us

A&B Groundworks Contractors

A&B Groundworks Contractors is an experienced team specializing in groundwork and excavation. We focus on creating additional space in homes where room can be limited – narrow rooms, small gardens, or basements in need of adaptation. Our projects range from extra rooms and basement offices to comprehensive underground solutions, combining solid craftsmanship with a practical approach. Our knowledge of local housing allows us to deliver functional, durable, and tailored solutions that meet the needs of homeowners. At A&B Groundworks Contractors, we understand the importance of a strong and well-prepared foundation for any construction project. Whether you require excavation, drainage, paving, or other groundworks services, our skilled team of contractors is here to deliver exceptional results. We prioritize quality, efficiency, and safety in every project we undertake.
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Compliance with Regulations and Standards

Subterranean Development in Hackney

Subterranean Development in Hackney

1. Local Framework: Understanding Hackney’s Planning Approach

Within the London Borough of Hackney, subterranean or basement development falls under rigorous planning control, guided by the Hackney Local Plan 2033 and supported by national and regional planning frameworks.
The borough places particular emphasis on protecting groundwater conditions, managing flood risk, and safeguarding the structural integrity of surrounding properties.

Any proposal for a new or extended basement is assessed on its environmental impact, engineering soundness, and how it integrates with the borough’s urban fabric. Developments in Conservation Areas, or near heritage assets, are subject to even higher scrutiny.

2. Key Planning Limitations and Environmental Safeguards

Hackney’s planning policy requires that basement construction must not increase risks related to flooding, drainage, or ground instability. Compliance with the following constraints is essential for planning approval:

  1. Groundwater and Flood Resilience: The development must demonstrate that it will not raise groundwater levels or intensify flood risk. A clear mitigation strategy must be integrated within the design.
  2. Structural and Geotechnical Integrity: Applicants must prove that excavation and construction methods will not compromise the stability of the host property or neighbouring buildings.
  3. Surface Water and Drainage Control:
    Effective drainage systems must be in place to prevent waterlogging and to ensure that runoff is appropriately managed during and after construction.
  4. Neighbour and Environmental Protection:
    Construction processes must minimise vibration, noise, and disruption to adjacent structures, and must not endanger the natural environment or local biodiversity.

3. Mandatory Technical Assessments and Specialist Evidence

To satisfy Hackney’s validation and environmental criteria, your planning application should include the following technical documentation:

  1. Basement Impact Assessment (BIA):
    A comprehensive report evaluating the effect of excavation on local geology, hydrology, and structural conditions.

  2. Flood Risk and Drainage Reports:
    Evidence that the proposed design will not exacerbate surface or groundwater flooding and that drainage solutions comply with borough and London-wide standards.

  3. Construction Management and Traffic Plans:
    Detailed strategies outlining how construction will be managed to reduce disturbance, control traffic flow, and protect public safety.

  4. Structural and Methodology Statements:
    Engineering-led evidence of safe excavation techniques, foundation reinforcement, and long-term stability.

 

How We Support Your Hackney Basement Project

Navigating Hackney’s planning requirements demands expertise in both technical engineering and local policy interpretation. Our practice provides end-to-end consultancy — from feasibility studies to submission-ready planning documentation — ensuring full alignment with Hackney’s planning and environmental policies.

We coordinate specialist surveys (geotechnical, hydrological, structural) and produce all required statements to demonstrate compliance with local authority standards. By entrusting us with your project, you gain a partner skilled in translating Hackney’s complex regulations into clear, achievable design and construction strategies — helping you secure planning consent with confidence and precision.

Precision, Safety, Results

Explore Our Services

Groundworks

We provide a complete range of groundwork services — from initial site preparation to full foundation construction. Our experienced team ensures every project is completed safely, accurately, and on time.


Included Services:

  • Site Clearance & Preparation
  • Bulk Excavation & Earthmoving
  • Ground Levelling & Grading
  • Trenching Services
  • Foundation Installation
  • Drainage System Installation
  • Sewer Connections
  • Access Roads & Driveways

Basement
Construction

We specialize in basement construction and renovation — including excavation, waterproofing, and structural support. Our solutions guarantee durability, stability, and full protection against water ingress.

Included Services:

  • Basement Excavation
  • Underpinning
  • Waterproofing
  • Basement Tanking
  • Temporary Propping

Concrete
& Structural Works

We deliver all types of reinforced concrete and structural works, forming the backbone of every solid construction project. Our expertise covers formwork, steel fixing, and precision concrete pouring.

Included Services:

  • RC Concrete
  • Reinforced Concrete (RC) Structures
  • Formwork & Shuttering
  • Form Works
  • Steel Fixing & Rebar Installation
  • Concrete Pouring & Slabs
  • Retaining Walls

Piling
& Foundations

We offer professional piling and foundation solutions tailored to your site conditions and structural requirements. Our work ensures lasting stability and strength for any type of building.

Included Services:

  • Pile Foundations & Piling
  • Foundation Installation
  • Underpinning

Drainage & Sewer Systems

We design and install efficient drainage and sewer systems for both residential and commercial projects, ensuring reliable water and waste management on every site.

Included Services:

  • Drainage System Installation
  • Sewer Connections
  • Private Drainage Systems

Sewage Treatment & Tank Installation

We install and service sewage treatment plants and storage tanks, offering durable, eco-friendly solutions for efficient wastewater management.

Included Services:

  • Sewage Treatment Plant Installation
  • Tank Installation

Septic Tank Services

We provide a full range of septic tank services, including replacement, removal, and installation. Our work complies with environmental standards and ensures safe waste management.

Included Services:

  • Septic Tank Replacement
  • Old Septic Tank Removal
  • Septic Tank Installation

New Build Construction

We undertake complete new build projects, delivering high-quality homes from the ground up. Our team manages every stage — from site preparation to access roads and finishing touches.

Included Services:

  • New Houses
  • Access Roads & Driveways
  • Site Preparation

From Ground to Greatness

Explore Our Recent Projects

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Building Below, Compliant Above

Our Hackney Basement Process

01

Initial Consultation & Site
Assessment

We begin by understanding your goals and evaluating your property. Early assessment of site conditions, potential groundwater impact, and flood risk ensures feasibility before any formal planning application.

02

Pre-Application Advice & Planning Strategy

Hackney emphasizes early consultation. We advise on pre-application discussions with the council and develop a planning strategy aligned with Hackney Local Plan 2033, ensuring your basement project respects neighbours, the environment, and ground stability.
03

Expert Reports & Technical Documentation

Hackney requires detailed technical reports to support any basement application. We coordinate preparation of:

  • Basement Impact Assessment
  • Flood Risk Assessment (FRA)
  • Drainage Strategy
  • Construction Method Statement
  • Construction Traffic Management Plan
04

Planning Application Submission

We manage submission of all necessary documentation to Hackney Council, ensuring compliance with planning policies and readiness for any additional requests or clarifications from the local authority.
05

Construction Planning & Oversight

Once approved, we supervise every stage of construction, focusing on structural stability, groundwater management, and minimizing disruption to neighbours, in accordance with Hackney’s strict guidelines.
06

Completion & Post-Construction Support

After construction, we provide support with documentation, maintenance guidance, and regulatory follow-up, ensuring your basement is safe, fully compliant, and functional.
Let’s dig in!

Unlock extra space in your Clapton home – get a free consultation today.

Many homes in Clapton have limited space, but that doesn’t mean you have to compromise. Our team specializes in creating functional extra rooms, basement offices, or underground solutions tailored to your needs.

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OUR CLIENTS

Here's what our satisfied
clients shared

Their groundwork’s London service was excellent. The crew was professional and handled everything efficiently. High recommend for top-notch groundwork’s in the city!
Ayden Brooker
Private Customer
We hired them for groundwork’s, and the work was flawless. The team was organised and completed everything on time. Highly recommend for and groundwork projects!
Harry C
Commercial project
These groundworks contractors worked on my London site last week and were extremely professional, polite, and did some great work for us! Highly recommended by me.
Lute Durham