Architecture
for London's
finest homes.
We specialise in conservation area extensions, refurbishments and new builds — navigating complex planning with a rigorous design approach.
ARB & RIBA REGISTERED
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CONSERVATION AREA SPECIALISTS
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NEW BUILD
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EXTENSIONS
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REFURBISHMENTS
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DESIGN MANAGEMENT
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ARB & RIBA REGISTERED - CONSERVATION AREA SPECIALISTS - NEW BUILD - EXTENSIONS - REFURBISHMENTS - DESIGN MANAGEMENT -
WHAT WE DO
01
Conservation Area Expertise
We have successfully delivered projects across Islington, Kensington & Chelsea, Westminster and Lewisham — navigating sensitive planning contexts with confidence and a track record of approval.
02
Design-Led & Practical
Every project begins with careful research into context, history, and the specific needs of the client. We translate that understanding into spaces that are both beautiful and enduringly functional.
03
Managed End-to-End
From feasibility and planning through to construction and interior specification, we act as your single point of contact — protecting your time, budget, and vision throughout the build.
OUR SPECIALITY
Conservation areas require
a different kind
of architect.
Over 70% of central London boroughs are subject to conservation area controls. Getting planning approval requires an intimate knowledge of local policy, precedent, and the particular sensitivities of each area.
We've secured planning permission in Islington, Kensington & Chelsea, Westminster, and Lewisham — and we know how to make a compelling case to each local authority.
WHAT OUR CLIENTS SAY
Built on trust
Lorenzo is great — so happy with Centioni Architects' work. He is knowledgeable and listened to my requests as client. Couldn't be more happy with the result. Looking forward to doing more projects together.
Ms Wong
Real estate developer · Meretone House, SE4
Working with Centioni Architects felt genuinely collaborative. Lorenzo brought ideas we hadn't considered and was honest about what would and wouldn't get through planning. The process was smooth from start to finish.
Private client
Homeowner · Linton Street, N1
We needed someone who understood both design and the practicalities of Kensington & Chelsea's conservation controls. Centioni Architects delivered on both. The result is exactly what we were hoping for.
Private client
Homeowner · Portobello Road, W11
WHAT WE OFFER
Services for
homeowners &
developers
Whether you're extending a Victorian terrace, merging two flats, or unlocking a difficult development site — we offer a complete service from first sketch to final coat of paint.
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Desktop assessment, planning research, pre-application discussions, and full planning application management. We understand what each London borough will and won't approve — and how to frame a proposal for success.
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Concept design, developed design, technical drawings, Building Regulations, and contractor tender packages. We present three design options as standard so you have genuine choice.
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Specification of finishes, joinery design, kitchen design, lighting layouts, and material palettes. We offer tailored interior design packages from light-touch curation to full specification.
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Contractor selection, contract administration, regular site visits, and progress reporting. We stay involved through construction so you don't have to manage builders alone.
HOW IT WORKS
From first call
to final key
01
Free Consultation
A 30-minute call or home visit to understand your project, budget, and aspirations — with no obligation and no fee.
02
Feasibility & Brief
We research your property's planning constraints and present what's achievable, along with a fixed-fee proposal for the full project.
03
Design & Planning
Three design options presented as drawings and 3D visuals. We then manage the full planning application on your behalf.
04
Build & Completion
Tender package issued to contractors, contracts managed, and site monitored throughout — so the build matches the design.
Ready to start?
Let's talk about
your project.
Book a free 30-minute consultation — by phone, video, or at your property. No obligation, no fee.