KN Construction Ltd / Construction Companies in Mt Wellington


Primary contact
Karl Nicholas

  • 100%
    "We called KN construction and spoke to Kaycee about some urgent work we needed doing. Karl and Kaycee came over the next day and gave us a quote we were happy with. They were amazing to deal with and their quality of workmanship was great. I would highly recommend them. "
    Rating by: Christine  |  Rating posted: 2nd Oct  |  Contact: Karl Nicholas  |  Job date: Oct, 2019
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    2nd OctMore details…
  • 90%
    "I contacted Karl to build a fence between properties (3 neighbours). Karl & Casey were very patient as it wasnt easy getting all parties to get on board. We had to remove a hedge first. So it took months to get to the stage where we were ready for the fence. The workers were straight into it and did a good job, weather wasnt the best. They were all easy to talk to. Fence looks good and all neighbours are happy :-) I have recommended KN Construction."
    Rating by: Chris  |  Rating posted: 22nd Sep  |  Contact: Karl Nicholas  |  Job date: Jul, 2019
    Communication: 90%  |  Quality: 90%  |  Reliability: 90%  |  Value: 90%
    22nd SepMore details…
  • 98%
    "KN did a major renovation on the interior of our house over 2 months. Two new bathrooms and reconfiguring the interior layout. The entire project was well managed by Karl & Kaycee including plans and the consent process. Excellent communication and using the online app co-construct ensured we were always informed about specifications, costs, timeline, etc. Would definitely use KN construction again; and I recommend them to anyone looking for a professional building company. "
    Rating by: Craig  |  Rating posted: 1st Aug  |  Contact: Karl Nicholas  |  Job date: Jun, 2019
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 90%
    1st AugMore details…
  • 100%
    "We did a fairly major renovation to our house and worked with KN Construction from concept to completion. We have been more than impressed with the workmanship provided. Karl is very trustworthy and provided detailed and clear communication throughout the renovation, so we always felt reassured and knew what was happening at all times. We are very happy with the final finish and would not hesitate to recommend Karl and his team. "
    Rating by: Charla Hopkins  |  Rating posted: 21st Feb  |  Contact: Karl Nicholas  |  Job date: Nov, 2017
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    21st FebMore details…
  • 100%
    "If you are looking for a totally reliable, qualified and co-operative builder who would release you from headaches, worries and anxiety, which are often associated with building projects, we strongly suggest that you approach Karl and Kaycee of KN Construction Ltd.

    We have no reservation in recommending KN Construction because we have had a very pleasant experience that we would like to share. We are so impressed by their extensive professional knowledge, outstanding work performance and outcomes, amazing capability in project management as well as their commitment to upholding high standards.

    KN Construction completed a bathroom and roof renovation project and new grass-paved lawn project for us with extremely high quality and very very efficiently, even ahead of the schedule! Karl, Kaycee and their team are great communicators, who are always ready to share ideas and information. They respond to enquiries promptly; their use of the co-construct software has also greatly facilitated exchange of information and ideas, making the building processes transparent. We are also grateful to Kaycee who is not only a top-grade administrator but also a designer who has great taste. She has given us valuable advice regarding choices and options.

    When we first looked for a reliable builder to renovate our bathroom and roof, we went onto the No Cowboy website and saw the very high rating of KN Construction. We approached Karl and got his response promptly. We were lucky to have found him because he understood our needs immediately and was able to give us his professional advice on the spot. Because of the successful experience gained in the renovation project, (and we shared some good laughs as well), we decided to ask Karl to take on a new project, i.e. using grass-pavers to re-do the lawn. Sure enough, Karl, Kaycee and the team delivered us a neat and tidy paved space before Christmas; and in about a month’s time, we have a lawn with green grass and pavers!

    We have no doubt that we will approach Karl again for our next few projects which we have already formulated in mind. Perhaps you should too!

    Ken and Grace Au

    Rating by: Grace  |  Rating posted: 24th Jan  |  Contact: Karl Nicholas  |  Job date: Nov, 2018
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    24th JanMore details…
  • 100%
    "Karl from KN Construction has built two decks for our body corporate. I have been impressed with the quality of the workmanship and choice of materials. Karl has selected the best pine timbers for our decks without knots or blemishes. His crew consist of well qualified builders and a keen apprentice. Their work ethic has been impeccable and it has been a pleasure to have his friendly team around.
    Rating by: Mary  |  Rating posted: 21st Sep, 2018  |  Contact: Karl   |  Job date: Sep, 2018
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    21st Sep, 2018More details…
  • 100%
    "KN Construction built a new front entrance at our house which included stairs, a deck, an extension to our porch and a new concrete path. "
    Rating by: Brittany  |  Rating posted: 13th Sep, 2018  |  Contact: Karl Nicholas  |  Job date: Aug, 2018
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    13th Sep, 2018More details…
  • 98%
    "We were adding an ensuite and wardrobe to our place and had a few builders come in and take a look, we were not quite 100% happy with them. We saw a KN Construction sign at a site down the road and gave them a call. Karl came through with a price and a time when they could start. We were impressed with their ability to manage the whole process and make it simple. Looking after all the trades it made the whole build easy for us, and all being managed through the co-construct site allowed us to keep up to date with everything. They offered some great ideas and solutions which made our project that much better. We were very happy with the level of service and quality of build. While there we also had them take a look at a few other little jobs which were carried out. The rooms were kept very tidy every day after they had finished. Karl and the team allowed us to be involved as much as we wanted which we enjoyed. I would highly recommend KN Construction and the teams that they work with. They were open and honest don’t cut corners. We have had nothing but rave reviews from everyone we have shown the additions to."
    Rating by: Hamish  |  Rating posted: 12th Sep, 2018  |  Contact: Karl Nicholas   |  Job date: Jul, 2018
    Communication: 90%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    12th Sep, 2018More details…
  • 100%
    "We heard about Karl (KN Construction) from a friend and we got him in to do our kitchen renovation building work and other renovations in the house. The service provided throughout the whole job from start to finish was highly professional and outstanding. We now have a rebuilt kitchen and butlers pantry and a new hall linen cupboard that all my friends are envious of! We gutted 2 rooms which were rebuilt and the redid ceilings as well in preparation for the cabinetry to go in. They took all the stress of managing a building project and delivered a fantastic result. If there was extra work or subcontractors to organise then it was done. I would recommend their services 100%."
    Rating by: Rebecca Morgan  |  Rating posted: 2nd May, 2017  |  Contact: Karl Nicolas  |  Job date: Jan, 2017
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    2nd May, 2017More details…
  • 95%
    "Karl and Kaycee have helped us to convert our garage into a minor dwelling. The project turned out to be a lot more complex and took a lot more time than I've originally expected (mostly due to all the paper work and consent issues) and it is for the big part because of their support and professionalism at each and every stage that we finally got there. My wife and I are more than satisfied with their performance and with the quality of the end product. Thank you guys a lot :-) "
    Rating by: Andrey  |  Rating posted: 2nd May, 2017  |  Contact: Karl Nicholas  |  Job date: Mar, 2017
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 80%
    2nd May, 2017More details…
  • 100%
    "The great thing about Karl is his commitment to excellence - personally, and from his subcontractors. He went beyond the call of duty to identify anything resembling a defect from those he contracted.
    His advice was always available when requested, and proved to be beneficial on every occasion. His patience (and sense of humour) was admirable! We are very pleased with the finished product (our remodelled bathroom and toilet) and feel that a friendly and relaxed relationship was maintained throughout the project.
    Rating by: George   |  Rating posted: 7th Feb, 2017  |  Contact: Karl Nicholas  |  Job date: Feb, 2016
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    7th Feb, 2017More details…
  • 98%
    "We used KN Construction to renovate 2 bathrooms and to do remedial work. We found Karl and his team to be a delight to deal with. They completed the work on schedule and in a professional manner. Other tradesmen commented on the good workmanship. We will use KN Construction for our next project."
    Rating by: Karen  |  Rating posted: 10th Jun, 2016  |  Contact: Karl Nicholas  |  Job date: Jan, 2016
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 90%
    10th Jun, 2016More details…
  • 88%
    "Karl was recommended to us for a major renovation, and has been great to work with. Karl managed the project from start to finish and kept us up to date with progress. Both his immediate team and other sub contractors were a pleasure to deal with and we are extremely pleased with the final result. "
    Rating by: Graeme  |  Rating posted: 18th May, 2016  |  Contact: Karl Nicholson  |  Job date: May, 2016
    Communication: 100%  |  Quality: 80%  |  Reliability: 80%  |  Value: 90%
    18th May, 2016More details…
  • 93%
    "Karl has helped me to convert a garage into minor dwelling. He had put forward a cost estimation based on the building plan and he was able to mostly stick to it until the project completed. I found Karl is very easy to communicated with. He always listen to our requests and was willing to do any change if we required. Karl is very reliable to us and has demonstrated a very good workmanship. I am happy to recommend Karl to any building work.
    Rating by: Frank  |  Rating posted: 10th Dec, 2015  |  Contact: Frank Xie  |  Job date: Nov, 2015
    Communication: 100%  |  Quality: 90%  |  Reliability: 90%  |  Value: 90%
    10th Dec, 2015More details…
  • 93%
    "My experience with K N Construction was extremely good and I plan to use them again on our next building project."
    Rating by: Stanley  |  Rating posted: 19th Nov, 2015  |  Contact: Stanley Armon  |  Job date: Oct, 2014
    Communication: 90%  |  Quality: 90%  |  Reliability: 100%  |  Value: 90%
    19th Nov, 2015More details…
  • 93%
    "KN Construction were employed to built a large deck at a block of units (3 up and 3 down). The workmanship was of good quality and the job was completed in a reasonable time. Karl and co. were happy to make small alterations to the original plans and go the extra mile with any small requests. Friendly approach and good energy. I would highly recommend Karl (KN CONSTRUCTION) for any building requirements.
    Glen Howes


    Rating by: Glen Howes  |  Rating posted: 2nd Mar, 2015  |  Contact: Karl Nicholas  |  Job date: Feb, 2015
    Communication: 100%  |  Quality: 90%  |  Reliability: 90%  |  Value: 90%
    2nd Mar, 2015More details…
  • 100%
    "Karl has now completed two building jobs for us.
    First job repairing and replacing drooping garage entrance way in 2014,
    Second job removing a wall between two bedrooms and installing a wardrobe and reinstating all the gib and skirting boards and installing a stair case into our loft January 2015.
    Karl 's building skills are faultless, efficient, cost effective, he's on time and a pleasure to have around.
    We are having Karl back to have more work done and would recomend him to any person requiring a good builder with sound work ethics.

    Gary and Jan Auckland
    Rating by: Gary  |  Rating posted: 24th Jan, 2015  |  Contact: Karl Nicholas  |  Job date: Jan, 2015
    Communication: 100%  |  Quality: 100%  |  Reliability: 100%  |  Value: 100%
    24th Jan, 2015More details…
  • 98%
    "We used KN Construction to renovate our new master bedroom and add an ensuite on. We chose KN construction as Karl had previously done some smaller jobs at our house and we had found him to be very reliable, professional and easy to communicate with.

    From start to finish Karl has done an amazing job with our new Master bedroom and ensuite. He assisted with the initial plans, and had some great ideas. I really liked that he provided an in depth review of the estimated costs before starting the job so that we could keep to budget and were not left with any additional expenses or surprises. The job was completed without any major issues and in a very reasonable time period. Karl worked well with all the other tradesmen that were present and helped to organise timelines.

    Sometimes I think it is difficult to find builders you get on with and can fully trust. We found this with KN Construction and would totally recommend them to anyone looking for building work.

    Rating by: Charla  |  Rating posted: 22nd Jan, 2015  |  Contact: Karl Nicolas  |  Job date: Dec, 2014
    Communication: 100%  |  Quality: 90%  |  Reliability: 100%  |  Value: 100%
    22nd Jan, 2015More details…
  • 95%
    "Karl carried out the building work for us on our bathroom and toilet renovation. We found him excellent to deal with. He quoted on the job and pretty much came in on quote, where we were a wee bit over was really down to us adding a few things on, and Karl split this extra cost with us which was very fair. He always turned up when he said he would (highly valued considering other trades on the job were far less reliable), and he finished when he had agreed to - even when this meant working late into the evening. He was also really accommodating when other trades caused blow-outs to our schedule - he made himself available when we needed him back on-site. His follow up was really good - during the planning stages of the job he always came back on points he said he'd look into for us. He recommended another trade to us who we also found really good to deal with. Would definitely use again."
    Rating by: Kiri  |  Rating posted: 13th Jan, 2015  |  Contact: Karl Nicholas  |  Job date: Nov, 2014
    Communication: 100%  |  Quality: 90%  |  Reliability: 100%  |  Value: 90%
    13th Jan, 2015More details…

Primary contact
Karl Nicholas

Phone number

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About us
KN Construction is owned and operated by Karl Nicholas. Karl started his building apprenticeship when he left school and has been building ever since bringing decades of experience to your project.
When you employ KN Construction you can be assured of a personal approach. Karl works on each project and KN Construction uses a small tight team of qualified and trusted contractors. Extremely high levels of quality is a priority. This is partly achieved through establishing excellent communication with the client throughout the project.

What we do
New Residential Home Builds
Let us build your new home. We specialise in new home builds from smaller to larger projects. We can take care of the entire process including obtaining the necessary consents.

Extensions, Renovations and Alterations
We undertake both minor and major renovations, extension and alterations of homes including new bathrooms.

Categories we service
Renovation, Luxury Homes Builders, Framing Contractor, Fencing Contractors, Door & Window Installation, Decks & Decking, Custom Homes Builders, Construction Companies, Cladding, Carpentry Contractors / Carpenters, Carpentry Companies, Building Designers, Builders, Bathroom Remodelers

Areas we service
Whitford, Westmere, Westfield, Western Springs, Wattle Downs, Waterview, Totara Heights, Three Kings, Tamaki, St Marys Bay, St Lukes, St Johns, St Heliers, Sandringham, Royal Oak, Remuera, Ponsonby, Point Chevalier, Penrose, Parnell, Papatoetoe, Panmure, Pakuranga, Otara, Otahuhu, Orakei, One Tree Hill, Newton, Newmarket, New Windsor, Mt Wellington, Mt Roskill, Mt Eden, Mt Albert, Mission Bay, Meadowbank, Manurewa, Manukau (Auckland), Mangere Bridge, Mangere, Lynfield, Kohimarama, Kingsland, Howick, Hillsborough, Highland Park, Herne Bay, Half Moon Bay, Grey Lynn, Greenlane, Grafton, Glendowie, Glen Innes, Flat Bush, Eastern Beach, East Tamaki, Conifer Grove, Cockle Bay, Clendon Park, Bucklands Beach, Botany Downs, Beachlands, Awhitu, Alfriston, Airport Oaks

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