Find an Extension Builder in Harwich

Find a local extension builder near you. We have 421 trusted and reviewed extension builders in Harwich to choose from, based on 308 reviews.





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Extension Builders in Harwich

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  • 1-20 of 421 extension builders

    I have been in the building industry for 7 years, gaining experience in a variety of work including driveways, extensions, small brick walls, and more. Reliable, skilled, and committed to high-quality workmanship.

    Based in CO12 3AT, Harwich
    Extension Builder covering Harwich
    Member since Aug 2025
    ID Checked

    At PSD Essex property maintenance & building service. we undertake all kinds of DIY home repair and general property maintenance tasks. renovations extensions conversions Our experience is here to get the job done quickly and professionally, we have...

    Based in CO12 4XU, Harwich
    Extension Builder covering Harwich
    Member since Dec 2019
    ID Checked

    Need a bedroom converted into 2 bedroom .. stud walls. Electrics etc

    Based in CO12 4HE, Harwich
    Extension Builder covering Harwich
    Member since May 2025

    General building and kitchen installation My name is Matt and I've been in the trade for over 20years, I'm a qualified carpenter and joiner. I believe in a fair and friendly service, attention to detail is always at the top of my list. *kit...

    Based in CO12 3QE, Harwich
    Extension Builder covering Harwich
    Member since Dec 2021
    ID Checked

    Crown bricklaying & construction Covering all areas of Essex & Suffolk

    Based in CO12 3JB, Harwich
    Extension Builder covering Harwich
    Member since Nov 2025

    Bricklayer of 6 years on sub structure and super structure i have experience on traditional builds and timber frame garden walls and garages detailed brickwork

    Based in CO12 3RG, Harwich
    Extension Builder covering Harwich
    Member since Nov 2025
    ID Checked

    BTS Building & Restoration, is a family run business that has been established for over twenty years . We Specialise in all aspects of building ranging from fitting a plug to building your dream home.With a range of trusted tradesman we pride ourse...

    Based in CO12 4JU, Harwich
    Extension Builder covering Harwich
    Member since Dec 2023
    ID Checked

    Roofix All aspects of Roofing and Repairs Reroofing Rubber Flat Roofing Fascia Guttering and Soffits Hardiplanking

    Latest Flat Roof Review

    "Roofix were thorough, quick, friendly and efficient - our porch now looks wonderful."

    Reviewed by on
    Based in IP8 3RG, Ipswich
    Extension Builder covering Harwich
    Member since Jul 2025
    ID Checked

    I’m Bill and a bricklayer by trade but take on all small to major building projects, extensions, loft conversions, patios, outbuildings, driveways and garden walls etc. I have a great team of trades around me to see all larger projects through to the...

    Latest Brick / Block Paving Review

    "Professional, polite and couldn't be more helpful"

    Reviewed by on
    Based in CO5 8TN, Colchester
    Extension Builder covering Harwich
    Member since Jul 2024
    ID Checked

    I do all landscaping work and many odd jobs round the house to from tiling to kitchen fitting I cover most of north Essex and south Suffolk we are a small hard working team

    Latest Internal Painting Review

    "Excellent job by Chris and his team. This was a big job but he was prompt, conscientious and stayed on the job long after normal working hours. He asked to be onsite when the job was complete to make sure everyone was happy and he..."

    Reviewed by on
    Based in CO7 8PA, Great Bentley
    Extension Builder covering Harwich
    Member since Feb 2026
    ID Checked

    fully qualified, family run construction company. no job too big or small. https://www.instagram.com/rococonstructiongroup?igsh=OWsyNXJieXJqenJ2

    Latest Builder Review

    "Cian has done an excellent job on a recent garden renovation. Couldn’t of asked for any better."

    Reviewed by on
    Based in IP14 2RJ, Stowmarket
    Extension Builder covering Harwich
    Member since Feb 2026
    Public liability insurance

    Self employed high quility builder with 30 years experience. All work quoted for free. Insured and guaranteed. Anything from changing a tap to a kitchen extension witin half an hour of ipswich. All work covered by a £2 million public liability insur...

    Latest General Brick Laying Review

    "Awesome work thanks Matt, highly recommend"

    Reviewed by on
    Based in IP5 2GH, Kesgrave
    Extension Builder covering Harwich
    Member since Nov 2025
    Public liability insurance

    Oames construction services is a small independent company with over 25 years experience in the industry. We pride ourselves on our professionalism and quality of work. All works are guaranteed and fully insured. Based in Essex and Hampshire

    Latest Internal Painting Review

    "John was very polite and on time! He did a fantastic job and has given me a 12 month guarantee. I will definitely use him again. thanks John."

    Reviewed by on
    Based in CO3 8DA, Stanway
    Extension Builder covering Harwich
    Member since Nov 2018
    ID Checked

    F&J CONSTRUCTION is a family business with over 50 years experience in the building trade. Onboard our team we have fully qualified brick layers ,carpenters, roofers , electricians, plumbers and landscapers . We cover all aspects of building ,no ma...

    Based in CO4 6EJ, Colchester
    Extension Builder covering Harwich
    Member since Mar 2017
    ID Checked

    All brickwork repairs,garden walls damaged or cracked brickwork.New openings in external brickwork ie.new or extended opening for bi-fold patio doors.Also closing existing openings,windows doors etc. I am also looking for new build work garden walls...

    Based in CO12 3HF, Harwich
    Extension Builder covering Harwich
    Member since Jan 2026

    Hi my name is benny! I specialise in bricklaying. I take pride in all the work I do.

    Based in CO12 3BA, Harwich
    Extension Builder covering Harwich
    Member since Jan 2026
    ID Checked

    I am fully qualified in building / bricklaying / fencing / slabbing / cementing. I take pride in all thr work i undertake.

    Based in CO12 4AL, Harwich
    Extension Builder covering Harwich
    Member since Jan 2026
    ID Checked

    Unleash the full potential of your outdoor space by booking an appointment with us today. At S&B Outdoor Living, we believe that exceptional landscape design begins with a clear understanding of your vision and a commitment to elevating it throug...

    Based in CO12 4QA, Harwich
    Extension Builder covering Harwich
    Member since Apr 2026
    ID Checked

    ? Main Responsibilities Construction Work Building houses, extensions, walls, and other structures. Reading and following architectural plans or blueprints. Measuring, cutting, and assembling building materials like wood, brick, or concrete. Site Pre...

    Based in CO12 5JF, Little Oakley
    Extension Builder covering Harwich
    Member since Jan 2026
    ID Checked

    We are builders and carpenters specialising in property alteration, fitting out, remodeling, extensions and all things associated with structural alterations. All our work and labour force are fully insured. We are a small personal business but have...

    Based in CO7 0JA, Brightlingsea
    Extension Builder covering Harwich
    Member since Jan 2019
    ID Checked
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    Our Reviews

    All reviews are submitted by homeowners who have had work completed as part of using our service. Whilst every effort is made to verify and check reviews, we ask all homeowners to conduct their own research and follow our Homeowner Checklist before hiring.

    To understand more about our reviews process, please visit our Reviews Policy.

    Find Extension Builders Near You

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    Recently posted Extension Builders jobs

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    Job posted in Manningtree

    This is a first floor rear extension to go on top of an older flat roof extension, plus renovations in the existing house, including reorganisation of...

    Job posted in Ipswich

    Build an extension on rear of house to include, from existing plans, a utility room and toilet. planning permission has been granted.

    Job posted in Ipswich

    Looking to extend the dining room into the garden roughly 3m by 3m with a sliding door on 2 sides,window on the other and a pitched roof with skylight...

    Job posted in Colchester

    Side of house take away garage

    Job posted in Ipswich

    Looking to extend the dining room into the garden roughly 3m by 3m with a sliding door on 2 sides,window on the other and a pitched roof with skylight...

    Job posted in Manningtree

    This is a first floor rear extension to go on top of an older flat roof extension, plus renovations in the existing house, including reorganisation of...

    Job posted in Ipswich

    Build an extension on rear of house to include, from existing plans, a utility room and toilet. planning permission has been granted.

    Job posted in Ipswich

    Looking to extend the dining room into the garden roughly 3m by 3m with a sliding door on 2 sides,window on the other and a pitched roof with skylight...

    Job posted in Colchester

    Side of house take away garage

    Job posted in Ipswich

    Looking to extend the dining room into the garden roughly 3m by 3m with a sliding door on 2 sides,window on the other and a pitched roof with skylight...

    Job posted in Bures

    Grandad annex stuidoflat one bed

    Job posted in Colchester

    Brick wall and roof built on lower ground

    Job posted in Ipswich

    Extend rebuild and refit bathroom. Refurbish kitchen.

    Job posted in Colchester

    Build an extention at the side of house. Make a doorway from hall into extention. Extention to include a toilet and basin seperate to the utility, wit...

    Job posted in Woodbridge

    Build single storey extensionion about 15 square meters, with a big double window and bifold doors

    Job posted in Bures

    Grandad annex stuidoflat one bed

    Job posted in Colchester

    Brick wall and roof built on lower ground

    Job posted in Ipswich

    Extend rebuild and refit bathroom. Refurbish kitchen.

    Job posted in Colchester

    Build an extention at the side of house. Make a doorway from hall into extention. Extention to include a toilet and basin seperate to the utility, wit...

    Job posted in Woodbridge

    Build single storey extensionion about 15 square meters, with a big double window and bifold doors

    Job posted in Colchester

    I already have structural drawings and dimensions. Before arranging a visit, could you please give me a rough budget estimate for the steels/knock-thr...

    Job posted in Ipswich

    Looking to extend the dining room into the garden roughly 3m by 3m with a sliding door on 2 sides,window on the other and a pitched roof with skylight...

    Job posted in Ipswich

    Single story extension 10 meters in width by 3 meters, with sky lights and by folding doors

    Job posted in Clacton-on-Sea

    Single story bathroom and utility room some walls removed

    Job posted in Colchester

    Build single storey extension at rear of detached house, punching through to main property. Extension to comprise double bedroom (one window) & lounge...

    Job posted in Colchester

    I already have structural drawings and dimensions. Before arranging a visit, could you please give me a rough budget estimate for the steels/knock-thr...

    Job posted in Ipswich

    Looking to extend the dining room into the garden roughly 3m by 3m with a sliding door on 2 sides,window on the other and a pitched roof with skylight...

    Job posted in Ipswich

    Single story extension 10 meters in width by 3 meters, with sky lights and by folding doors

    Job posted in Clacton-on-Sea

    Single story bathroom and utility room some walls removed

    Job posted in Colchester

    Build single storey extension at rear of detached house, punching through to main property. Extension to comprise double bedroom (one window) & lounge...

    Job posted in Colchester

    Build single extention at the rear of a semi-detached house with one door & one window and option to extend further with planning permission.

    Job posted in Ipswich

    single storey extension approx 20m2 for small kitchen \\ living area (annex)

    Job posted in Woodbridge

    To extent what our living room to give space for a dining table area

    Job posted in Halesworth

    Demolish utility single skin extension, open up supporting wall (existing window and door), extend kitchen and bathroom into rebuilt larger space. Li...

    Job posted in Maldon

    Build a single storey extension to rear of property

    Job posted in Colchester

    Build single extention at the rear of a semi-detached house with one door & one window and option to extend further with planning permission.

    Job posted in Ipswich

    single storey extension approx 20m2 for small kitchen \\ living area (annex)

    Job posted in Woodbridge

    To extent what our living room to give space for a dining table area

    Job posted in Halesworth

    Demolish utility single skin extension, open up supporting wall (existing window and door), extend kitchen and bathroom into rebuilt larger space. Li...

    Job posted in Maldon

    Build a single storey extension to rear of property

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