Clear Project Planning
Every house extension starts with precise measurements and a clear quote, so you know what to expect right from the beginning. This practice eliminates surprises and ensures the project stays on course.
Adding functional living spaces with us makes each house extension in Kensal Green tailored to your specific needs and lifestyle.

We build extensions to enhance living areas in homes for people in Kensal Green and the surrounding areas. This page details our work process and who we typically serve. If you have any questions, please reach out-we're here to advise and provide a quote.
Homeowners dealing with limited space often look toward a house extension in Kensal Green to create additional living areas without the hassle of moving. We handle house extension projects that enhance your current home, allowing you to stay put while maximizing usable space.
A house extension involves significant structural decisions that must align with your existing home's architecture and design integrity. We have the expertise in managing these complexities, from initial planning and obtaining permissions to ensuring the construction aligns with building codes. You’ll find peace in knowing your house extension project is executed properly and on schedule.
Opting for a house extension rather than relocating can save you both money and the stress of moving. Our transparent quotations and straightforward contracts offer you control over your project budget and scope. This practical choice enhances property value and keeps the process efficient and hassle-free.


Mains supplies require rerouting early. Before commencing any house extension in Kensal Green, we locate every external gas feed and buried soil stack running across the garden boundary, rerouting them away from future footings to avoid mid-build stoppages when digging begins. Cold water stopcocks often seize from age. A licensed plumber must confirm dry junctions.
Drainage runs cause quiet headaches. Clay waste conduits buried under rear patios fracture easily during initial spade work, flooding foundation trenches with foul water and halting masonry bricklayers on day one. We excavate trial inspection pits by hand around live sewer branches.
professional company with extensive experience to help, I recommend
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Excellent work, prompt and responsive. Highly recommended. Jarek is a great guy.
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Free quoteWet clay shifts quickly underfoot. When undertaking a house extension in Kensal Green during freezing months, saturated soil requires deeper poured footings and heavy tarpaulins over fresh mortar, stopping frost from blowing delicate brick faces before pointings cure fully. Mortar needs warmth to bind properly. Uncovered brick courses absorb dampness.
Heat brings subtle hairline settlements. Fast moisture loss pulls fresh plaster away from existing masonry joins, leaving tiny gaps around timber wall plates that demand flexible caulk rather than rigid filler. We watch corner intersections closely.

We kick off every house extension project with a comprehensive site survey and accurate measurements to understand your existing home and clearly outline the scope.
Following the assessment, we provide a clear, itemized quotation along with a contract that specifies timelines, costs, and the entire scope of the house extension work.
We take care of all planning applications and ensure compliance with local regulations before we start construction on your house extension.
Our team oversees all structural work while coordinating with specialists as needed, ensuring that the house extension melds seamlessly with your existing building.
We handle all finishing touches, both interior and exterior, to meet professional standards, performing a final inspection before handing over the completed house extension on schedule.
Boundary deeds require early signatures. Even with a modest house extension in Kensal Green, skipping signed approvals from neighbours sharing garden party fences brings sudden stop notices from surveyors, stalling concrete deliveries while raw footings fill with dirty rainwater. Simple conversations prevent dispute letters. Clear sketches help immensely.
Utility assets demand formal approval. Water suppliers retain statutory rights over every shared manhole in back gardens, requiring formal build-over clearance before a single foundation trench touches their sewer pipe network. Ignoring this protocol risks excavated foundations.


We manage every house extension project from initial planning to completion. The journey begins with precise measurements and a thorough quotation, followed by obtaining all essential permits. This practical strategy ensures the house extension is delivered punctually and within the agreed scope, avoiding surprises.
A house extension requires meticulous structural work that aligns perfectly with the existing building. Our team employs proven construction methods to preserve architectural integrity and long-term stability. Each house extension we approach is handled with care, ensuring compliance with building standards.
We coordinate every aspect of the house extension, including specialists such as those installing heat pumps with MCS certification. This thorough strategy simplifies the homeowner's experience while ensuring that each component meets professional standards. You’ll be kept informed with clear communication and straightforward contracts from start to finish.
Proven Expertise
Bringing years of practical experience to every house extension project, we cover every step from the initial site assessment to the final build. This dedication ensures that your house extension integrates fully and harmoniously with your existing home, maintaining quality throughout the process.
Managing a house extension requires smooth coordination between various trades and adherence to all regulations. We handle permits, structural work, and finishing touches, keeping you always updated. Our thorough service encompasses everything necessary to have your house extension completed on time and as discussed.
For residents in Kensal Green, we work on site and provide clear communication through phone or a free estimate visit. We’re just about 15 km from our base and serve nearby towns.
approx. 10 milesDistance from our base · Hounslow
Call us+44 7510 063817Email usjareksmutek@gmail.comWe serve your areaKensal Green and the surroundings
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“From structural extensions to complete interior refurbishments, we deliver reliable construction solutions tailored to your home.“
Expanding your home efficiently, a double storey extension provides valuable space through expert planning and construction.
Maximise your property’s potential by adding a Roof Terrace that combines durability and functional outdoor space.
Expert teams deliver precise roof installation, combining efficiency and durability for lasting roof installation results.
Smutek Construction LTD, as a trusted General Contractor, delivers durable, on-time home refurbishment projects exceeding client expectations.
Ground conditions dictate overall pricing because hidden clay soil or buried drainage requires deeper concrete trenches and steel reinforcement. Interior finish options also vary wildly, as basic radiator connections cost far less than whole-floor heating systems.
Ask to see active building sites rather than polished photo albums, and check whether they manage their own waste skips. A competent contractor points out difficult party walls or low water pressure issues immediately during their very first garden visit.
You must empty personal belongings from rooms next to knocked-through walls, remove garden furniture from side alleys, and arrange off-street parking for delivery lorries in Kensal Green so heavy aggregate bags drop safely near the boundary.
Standard quotes exclude council application fees, specialist party wall surveyor awards, soil testing charges, and decorative fittings like kitchen appliances or floor tiles. The homeowner purchases final light fixtures and taps directly to match individual tastes.