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Basement Conversions in Bankside

New Build Contractors

Residential and commercial builder for homes and renovations in London

Rated 5 out of 5 on Google
8 Google reviews

About New Build Contractors

New Build Contractors works with homeowners, developers and businesses on residential and commercial projects across London and the South East. Its residential work includes new homes, house extensions, renovations, loft conversions and basement conversions; commercial projects include new builds, refurbishments and fit-outs.

The company says its architects, engineers, project managers and tradespeople work in-house. It manages design, planning applications, construction and handover, with site surveys, drawings and 3D visuals available during planning. Clients receive a project manager and progress updates, including through an online portal.

Projects begin with a consultation and site assessment, followed by a detailed quote. The team says it does not subcontract core work and provides a 10-year structural warranty on its projects. For basement conversions, it also describes excavation, underpinning, waterproofing and fit-out as part of its service.

Accreditations

  • NHBC
  • SafeContractor
  • Considerate Constructors Scheme
  • Gas Safe
  • NICEIC
  • Public liability insurance

Areas covered

  • Camden
  • Greenwich
  • Lewisham
  • Southwark
  • Tower Hamlets
  • Wandsworth
  • Westminster
  • Barking and Dagenham
  • Barnet
  • Bexley
  • Brent
  • Bromley

Services

Home building and conversions

  • New build homes
  • House extensions
  • House renovations
  • Flat renovations
  • Loft conversions
  • Basement conversions
  • New basement construction
  • Cellar conversions
  • Basement extensions

Renovation work

  • Kitchen and bathroom renovations
  • Structural alterations
  • Plumbing and electrical upgrades
  • Heating and cooling upgrades
  • Double and triple glazing
  • Sash window restoration
  • Plastering
  • Flooring
  • Bespoke joinery
  • Insulation

Basement work

  • Basement excavation and underpinning
  • Basement waterproofing
  • Damp-proofing
  • Basement fit-outs

Commercial construction

  • Commercial new builds
  • Commercial refurbishments
  • Office fit-outs
  • Retail and hospitality spaces

Design and project delivery

  • Architectural design
  • Planning applications
  • Building regulations approvals
  • Party wall agreements
  • Project management
  • Site surveys
What their website says about each service
  • Basement Conversions
    “we specialise entirely in converting and creating basement spaces for homeowners across London and the surrounding home counties”
  • Bathroom Renovation · mainly as part of larger projects
    “Bathrooms: spa-style with walk-in showers, roll-top baths, underfloor heating”
  • Builders
    “At New Build Contractors, we specialise in building bespoke homes across London, Berkshire, Surrey, and Buckinghamshire.”
  • Central Heating · mainly as part of larger projects
    “Energy-saving heating and cooling systems, such as in-floor heating.”
  • Damp Proofing · mainly as part of larger projects
    “We handle damp-proofing, waterproofing, insulation, and full fit-out.”
  • Window Installation & Double Glazing · mainly as part of larger projects
    “Double or triple glazing to block out noise and save on energy bills.”
  • Window Repair · mainly as part of larger projects
    “Restoration of sash windows, fireplaces, plasterwork”
  • Electricians · mainly as part of larger projects
    “Full plumbing & electrical upgrades”
  • House Extensions
    “we create bespoke house extensions across London that add space, light and long-term value to your home”
  • Foundations & Groundworks · mainly as part of larger projects
    “from site preparation and foundations to structural build, access compliance, and interior finishing”
  • House Renovations
    “we specialise in bespoke home renovations across London”
  • Loft Conversions
    “We design and build high-quality loft conversions across London”
  • Plumbers · mainly as part of larger projects
    “Full plumbing & electrical upgrades”
  • Roof Windows & Skylights · mainly as part of larger projects
    “we install high-quality roof windows directly into the existing slope”
  • Subsidence & Underpinning · mainly as part of larger projects
    “Our in-house architects, structural engineers, and construction teams handle everything: planning permission, excavation, underpinning, waterproofing, and fit-out.”
  • Underfloor Heating · mainly as part of larger projects
    “Underfloor heating & high-efficiency boilers”

What customers say

We’ve partnered with New Build Contractors on several design-and-build projects across London and have always found them highly professional and dependable. They play an integral role in our pre-construction planning, bringing valuable input on design, budgeting, and tendering...
Sharon Smith

Shared on newbuildcontractors.co.uk.