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Expert Construction Contractors in London for Basement, Loft & Kitchen Extensions
Hatch Construction is a specialist contractor with extensive expertise in basement conversions, loft conversions, kitchen extensions, and full house refurbishments across London. Our team combines over 80 years of combined management experience with a commitment to delivering high-quality construction projects tailored to both traditional and contemporary specifications. We prioritise client relationships, offering dedicated project management to ensure seamless coordination throughout every phase of development. Our approach integrates design, installation, and project management of structural and architectural services, ensuring compliance with regulations while maximising property value.

With a focus on South and South West London, we serve areas including Battersea, Clapham, Fulham, and Kensington. Our reputation for reliability and innovation is supported by a 100% satisfaction guarantee, reflecting our dedication to completing projects on time, within budget, and to the highest standards. We collaborate closely with architects and planning authorities to streamline processes, ensuring stress-free outcomes for clients undertaking complex conversions or refurbishments.
Services
Basement conversions Loft conversions Kitchen extensions House refurbishments Under garden basements
Highlights and features
  • We offer over 80 years of combined management experience in construction.
  • Our dedicated project managers ensure seamless coordination from concept to completion.
  • We guarantee 100% client satisfaction with every project.
  • We collaborate with top architects and planning experts in London.
  • Our work adheres to the highest standards of quality and compliance.
What people say
Delighted with the outcome Outstanding finish Trustworthy and professional Creative and pragmatic ideas Skilled craftsmen
Services
Basement conversions
We specialise in transforming basements into functional living areas, including playrooms, home gyms, and guest bedrooms. Our designs incorporate light wells and modern finishes to create airy, spacious environments. Clients benefit from our expertise in navigating planning permissions and structural challenges, ensuring seamless project delivery.
Loft conversions
Our loft conversions maximise underutilised space, creating bedrooms, home offices, or communal areas. We ensure compliance with building regulations and offer bespoke finishes tailored to client needs. Projects include Velux or dormer designs, with support for permitted development applications.
Kitchen extensions
We design and build modern kitchen extensions that enhance functionality and property value. Services include bi-fold doors, natural light integration, and custom layouts. Our approach prioritises quality craftsmanship and client collaboration to meet individual lifestyle requirements.
House refurbishments
Our full house refurbishments include structural upgrades, interior redesigns, and finish improvements. A dedicated project manager oversees timelines and quality, ensuring minimal disruption. We handle everything from electrical work to final decor, delivering cohesive, high-standard results.
Under garden basements
We create under-garden basements to expand living space without affecting existing structures. These projects involve excavation and waterproofing, with designs optimised for natural light and ventilation. Our process minimises garden disruption while maximising usable square footage.
People
Richard Franks
Managing Director
With over 20 years in construction, Richard founded Hatch Construction seven years ago after roles in shopfitting and drylining sectors. He oversees strategic direction and client relations, leveraging extensive industry experience to ensure project success.
Stefan Spink
Contracts Manager
Stefan manages daily operations with 28 years of experience in home improvements and construction. He ensures projects are completed on time and to exacting standards, drawing on prior business ownership in extension and renovation work.
Questions
What areas do you cover for basement conversions?
We operate across London, focusing on Battersea, Clapham, Fulham, Kensington, and surrounding areas.
Do you handle planning permissions for loft conversions?
Yes, we collaborate with architects to manage planning applications and ensure compliance with local regulations.
What is the typical timeline for a kitchen extension?
Most projects take 8–12 weeks, depending on complexity and planning requirements.
Do you offer a warranty on completed projects?
We provide a 100% satisfaction guarantee and address any post-completion concerns promptly.
Can you assist with under-garden basement designs?
Yes, we specialise in excavating and building under-garden basements to maximise space efficiently.