Unit 23, Battersea Business Centre
99-109 Lavender Hill
London SW11 5QL
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Get a free consultation today





    0207 228 1324 Get in touch via phone
    [email protected] Get in touch via email

    Contract Administration

    Turning drawings into a finished building is a complex process. At Armstrong Simmonds Architects, our Contract Administration and Site Visit services ensure your project is delivered as intended, on time and to the highest standard.

    From our architect studio in Battersea, we provide contractual administration and site visit services across London. Acting on your behalf, we monitor works on site, maintain quality control during construction, and coordinate between contractors and consultants.

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    Concept
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    Planning
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    Visualisation
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    Technical
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    Specification
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    Interior Design
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    Tendering
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    On Site
    This image represents the eighth stage of an architectural service: On Site – Contract Administration. At this stage, our architectural service department oversees the construction process to ensure that the project is executed according to the approved plans, specifications, and contractual agreements. We conduct site inspections, monitor progress, and coordinate with contractors to address any issues that arise.

    Why Contract Administration Services Are Important for Your Project

    Even the most thoughtfully designed project can face unexpected challenges during the construction phase, with risks of delays, cost overruns or compromised quality being the most common. Appointing an architect can help to eliminate or mitigate these on site risks and administer the contract where they occur.

    Our contract administration services provide:

    • A clear contractual structure between you and the builder
    • Regular site inspections by an experienced architect
    • Consistent monitoring of progress and workmanship
    • Advice and decision-making support throughout the build
    • Confidence that the final result aligns with your approved plans
    Contract Administration

    Key Advantages of Our Contract Administration and Site Visit Services

    We offer tailored on-site services as part of our wider architectural services, supporting projects from initial concept through to completion. Our role during construction typically includes:

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    Site Visit Architect Reports – We carry out routine site visits and inspections to assess progress and check that work complies with the design and technical drawings.

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    Architectural Site Services – We respond to contractor queries, approve samples, and advise on details when decisions are required on site.

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    Contract Administration Architect Role – We manage the formalities of the contract: issuing instructions, certifying payments, and reviewing variations.

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    Client Support and Communication – We help you manage the builder, answer technical questions, and ensure you remain informed at every stage.

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    Quality Control During Construction – We monitor workmanship and highlight issues that arise as early as possible and spot when design drift may start to occur.

    Whether it’s a rear extension or a full renovation, we act as your advocate – ensuring every detail is delivered to the standard expected.

    Let's discuss your project
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    Our Process for Contract Administration Services

    Our Contract Administration services follow a structured yet flexible approach:

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    Contract Setup and Kick-off

    We assist in appointing your contractor using a standard building contract, such as JCT Minor Works, clearly outlining roles, responsibilities, timelines, and payment terms.

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    On-Site Architectural Services

    Once construction begins, we carry out regular inspections, document progress, and communicate any required actions. We act as your architect on site, ensuring that critical junctions and materials are reviewed and approved at the right time.

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    Monitoring and Issue Resolution

    Should any discrepancies or unforeseen issues arise, we provide immediate support – coordinating with the builder and other consultants to find practical, design-led solutions.

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    Certification and Project Close-Out

    We manage valuations and certify payments based on progress. At completion, we lead the snagging process and guide the project through to practical completion and final handover.

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    chris walters

    We are glad we found Armstrong Simmonds Architects to help us on our first project. We had bought a run-down terraced house near Clapham Common with the goal of extending and refurbing to increase value. John initially impressed us by first listening carefully to what we wanted to do, then showing us creative ways to achieve the results and finish we were looking for.

    Safe to say we certainly have managed that and both John and Alan have been instrumental in doing so. The guidance and consideration at every step have exceeded our expectations and Alan’s attention to detail during the build has been critical for the high standards we have set for this project.

    They have provided us with a service which reflects every stage of the design and build. Starting with the initial drawings, schedule of works, tendering and interior design. We also employed ASA for Contract Administration to be the key middle-man between us and the builder, which they were happy to help.

    We are now underway with our second project with ASA and they have been able to deliver the final drawings for planning within a fairly tight time frame, without hindering on quality. I know the whole team worked hard to help bring our vision to life and it’s been brilliant working with them over the last 18 months. They have shown a great ability to solve any issues that arose quickly and are able to communicate effectively with different contractors at all levels. I have no doubt the next redevelopment project will go well.

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    Matt Wood

    We chose Alan and John for our extensive project and incredibly pleased with that choice and the result. We have a Victorian terraced house and wanted to do a classic loft conversion and ground floor extension. The Armstrong Simmonds team provided a vision which achieved our goals, but with a design we could have never have thought of ourselves which we love. We used them from start to finish and are incredibly glad we did. Alan supported us through the tender and renovation processes, and we are incredibly pleased with the end-product and the quality of work of builder Cezar of Vecchini. We would highly recommend Armstrong Simmonds for their vision, design thoughtfulness and exceptional assistance through the project. Thanks team!

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    Dom & Kamilla

    We worked with Alan and the team from Armstrong Simmonds for 3 years from start to finish to achieve the full renovation of a London townhouse. It was a challenging brief given the nature of the property but collectively what has been achieved is an outstanding end result. Alan and John thoughtfully incorporated our vision with the realities of converting an old Victorian house and the scrupulous attention to detail, symmetry and balance achieved in the design were instrumental in us choosing Armstrong Simmonds in the first place.

    In addition Alan supported us through the tender and during the renovation working with our excellent builder Cezar of Vecchini to deliver the brief. I would highly recommend if you are looking for a team to turning your vision to the end product with a very high attention to detail while still being good humoured and a generally great guy to work with. Thanks again team. Dom and Kamilla

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    Michael van Ree

    John and his team have been brilliant to work with for our full house renovation and extension in SW London. Our house is quite unique and that combined with it being in a conservation area we knew it wouldn’t be a straight forward planning process – but Armstrong Simmonds did a fantastic job and helped us navigate us through every step. We couldn’t be happier with the detailed design and outcome.

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    Frequently asked questions

    What does contract administration involve?

    It’s the formal role of managing the building contract between you and the builder. This includes monitoring construction, handling instructions, certifying payments, and supporting site decisions.

    How often will you visit my site?

    This depends on the scope and complexity of the project. For most projects, we recommend fortnightly visits, but we also attend key milestones or review specific stages as needed.

    Can you help if I have issues with my builder?

    Yes. We act as a third-party professional to help manage disputes, assess completed work, and advise on how to move forward in accordance with the contract and design documents.

    How to Request Construction Services Management from Armstrong Simmonds Architects Studio

    If you want to explore your project in 3D along with our other architectural services, you can:

    0207 228 1324 Get in touch via phone
    [email protected] Get in touch via email
    Armstrong Simmonds Architects Ltd
    Unit 23, Battersea Business Centre,
    99-109 Lavender Hill, London, SW11 5QL

    Get a free consultation today





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