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KWS Builders Manchester

Our Building Services in Manchester

KWS Builders provides a full range of construction, renovation, conversion and planning services across Manchester. From house extensions and new builds to loft conversions, design support and underfloor heating, we help clients move from idea to completion with one dependable team.

01
Core Service

House Extension Builders

If you need more space but do not want to move, a house extension can transform how your property works. We build practical and well-finished extensions in Manchester that improve layout, comfort and long-term value.

What we offer

  • Single-storey extensions
  • Double-storey extensions
  • Side return and wraparound extensions
  • Kitchen and open-plan extension layouts
  • Structural work, roofing and final finishes

Best for

  • Growing families needing more living space
  • Kitchen-diner reconfigurations
  • Adding value before resale
  • Improving natural light and flow
02
Core Service

New Build

We deliver new build projects with careful planning, reliable project coordination and a strong focus on finish quality. From groundwork to the final handover, we manage each stage with attention to detail.

What we offer

  • Groundworks and foundations
  • Brickwork and structural build stages
  • Roofing, plastering, plumbing and electrics
  • Internal and external finishing works
  • Project coordination from start to finish

Best for

  • Clients building a home from scratch
  • Investors developing residential sites
  • Properties requiring bespoke layouts
  • Long-term build quality and value
03
Core Service

Airbnb / HMO Conversion & New Build

We help turn properties into practical, compliant and income-focused spaces for serviced accommodation and HMO use. This includes layout changes, room creation, bathrooms, kitchens and supporting build works.

What we offer

  • Property layout reconfiguration
  • Room creation and partitioning
  • Shared kitchen and bathroom installation
  • Refurbishment and upgrading works
  • Build support for investor-led projects

Best for

  • Landlords and property investors
  • Airbnb-ready refurbishment
  • HMO development strategies
  • Multi-room rental conversion projects
04
Core Service

House Renovation & Refurbishment

We renovate and refurbish tired properties into modern, functional homes. Whether you need a full house upgrade or improvements to specific rooms, we can manage the work under one team.

What we offer

  • Full house renovation and refurbishment
  • Internal reconfiguration
  • Kitchen refurbishment and installation
  • Bathroom refurbishment and finishing works
  • General property upgrade works

Best for

  • Older homes needing a refresh
  • New homeowners upgrading before moving in
  • Kitchen and bathroom modernisation
  • Improving layout, finish and value
05
Core Service

Loft Conversion / Dormer

A loft conversion is a smart way to unlock unused roof space and turn it into a valuable room. We build loft and dormer conversions that feel integrated, practical and built to last.

What we offer

  • Dormer loft conversions
  • Rooflight loft conversion options
  • Bedrooms, home offices and en-suites
  • Insulation and staircase works
  • Structural alterations and finishing

Best for

  • Creating an extra bedroom
  • Adding a home office space
  • Growing families staying in the same home
  • Increasing property value without extending outward
06
Core Service

Cellar & Garage Conversion

Converting an underused garage or cellar is one of the most practical ways to create more living space. We help transform these areas into warm, usable and well-finished parts of the home.

What we offer

  • Garage conversion works
  • Cellar conversion and improvement
  • Insulation, flooring and lighting
  • Utility rooms, bedrooms and offices
  • Damp considerations and finishing works

Best for

  • Creating extra rooms without moving
  • Home office or gym conversions
  • Utility and storage improvement
  • Better use of existing property space
07
Core Service

Water Underfloor Heating & Screed

We install wet underfloor heating and floor screeding systems for homes, extensions and renovation projects. This creates efficient heat distribution and a level base ready for final flooring.

What we offer

  • Wet underfloor heating systems
  • Pipe layout and installation
  • Floor screeding and levelling
  • Preparation for final floor finishes
  • Suitable for new builds and refurbishments

Best for

  • Modern extensions and refurbishments
  • Energy-efficient heating upgrades
  • Open-plan living areas
  • Smooth, durable floor preparation
08
Core Service

Design & Planning Permission Services

Good projects start with the right preparation. We help clients move from early ideas to workable plans with design support, planning guidance and a clearer route into the construction stage.

What we offer

  • Architectural drawings and layout planning
  • Planning permission guidance
  • Support with planning applications
  • Building regulations compliance input
  • Preparation for build-ready project delivery

Best for

  • Extensions requiring planning input
  • New build preparation
  • Major renovation and conversion projects
  • Clients who need clarity before construction begins

How We Work

Every project is different, but our process stays focused, clear and practical from first enquiry to completion.

01

Initial Discussion

We learn about your property, your goals and the type of building work you need.

02

Planning & Scope

We define the right solution, outline what is involved and help shape the project properly.

03

Quote & Preparation

We provide a clear quote and prepare for the practical stages of the project.

04

Build & Delivery

Our team completes the work with an emphasis on quality, communication and finish.

Need Help Choosing the Right Service?

Tell us about your property and what you want to achieve. We will guide you toward the right building solution for your project.

Google star 1Google star 2Google star 3Google star 4Google star 54.8
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Top Rated Service
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Jihad Kader profile picture
Jihad Kader
969 days ago
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+1
Excellent service. Professional, honest and good quality work provided. Hard to find builders like this nowadays. Highly recommend Waseem and his team.
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Muhammad Ajmal Khan profile picture
Muhammad Ajmal Khan
2472 days ago
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+1
Cellar Conversion Waseem and his were very nice and helpful got on with the job and explained to me what they were going to do with damped cellar. They did the job to a good standard even they have to install a new drainage system in cellar. They are really truly professional, hard working and was always on time. I will get him to work on our home in the future! Excellent service, would not hesitate to recommend. All Happy!
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Rizwan Malik profile picture
Rizwan Malik
11 days ago
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Kw&S undertook internal building works (garage extension and removal of internal walls) for us in South Manchester which was completed this year. We went with this company because it had good reviews on Google and this experience has made us aware of the importance of writing accurate reviews. I have done my best to give a balanced unbiased review here. Pros -As far as structural building work goes, KW&S eventually did the work to good quality and compliant with regulations. Cons -The cost of the work was around twice as much as some of the companies quoted. -The workers appeared at our property on average 2-3 days a week max. We assume they were working at other sites the rest of the time. Consequently, the work that we were told would take 2 months ended up taking 7 months. My family was confined to our tiny room in the granny flat during this time. - The Director of the company was not contactable during the time that the work was being done, despite seeming quite charming before the contract was signed. We had to chase him with multiple text messages and phone calls. This caused unnecessary anxiety for my family and me. -  Whilst most of the building work was reasonable, I wouldn't recommend KW&S for other works eg kitchen installation, gas and electric works and roofing. - The gas works done by KW&S were faulty and luckily a plumber noticed the smell of a gas leak before our house exploded. The gas board had to close off our street for 2 weeks to fix it. We dread to think what could have transpired if the leak had not been spotted in time! - Our kitchen installation was faulty and the kitchen doors were damaged by the workers. We had to order new ones, but thankfully KW&S did eventually cover this cost. - The roofing done on our extension was a bit of a mess and many of the tiles fell off. The Director of KW&S is still invoicing us for the remaining £1550 for the roof, but it cost us £1600 to repair, so I've refused to pay this. I have now received threats from the Company that the Director wants to take us to court, despite explanations that we had to have the work done again. - There were defects in the roof, which allowed rats to get into our loft. The rats chewed away our insulation. We subsequently had to pay the council £300 to remove this rat infestation. - After the workers left, they did not clean up their mess. Our front and back gardens were ruined and we had to make several trips to our dumpyard to get rid of their mess. **In summary, please avoid being ripped off and having faulty and dangerous work done to your house as well as the emotional stress that comes with working with KW&S. We don't  want anyone else to go through the same experience as us
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Zk N profile picture
Zk N
18 days ago
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Waseem, s attention to detail was admirable and the work overall was completed to a high standard.
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abdul kabir profile picture
abdul kabir
108 days ago
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I would like to thank Waseem and his team for all the work that they have done for me. I got a chimney breast removed, full renovation on my kitchen and bathroom. I was really pleased with the work done and the speed at which they completed every job.
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Dani Abulhawa profile picture
Dani Abulhawa
686 days ago
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KWS Builders completed a loft conversion with dormer for us in summer 2024. They worked to schedule and were clean and tidy in their approach. We were very happy with the finish of the work internally, which looks excellent. They created a fantastic double-winder staircase for us. We had some concerns about the final finish on the roof, but we discussed this with KWS and the issue was resolved amicably. We were always extremely grateful for the quality of communication with KWS, and their commitment to ensuring we were happy with the work. Overall the job was excellent value and we would recommend them wholeheartedly.
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Sophie Malik profile picture
Sophie Malik
691 days ago
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Fantastic group of professionals - always friendly and respectful. Highly recommended! They did our imprinted concrete driveway and front porch for us and i am very happy with the end result.
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Osisaya237 profile picture
Osisaya237
748 days ago
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I needed a full renovation on my four-bedroom house in Wigan. The renovation required two more WC installed into the house (ensuite and a down stairs toilet), an extension to my bathroom, new planned kitchen, re-wall and rewiring of my utility room. Two walls opening (1x main solid wall and 1 x studded wall). All WC and utility rooms tiled and all internal doors fitted new. Top floor with new ceiling and wiring. Like every customer, the last thing you will need is signing a contract to a cowboy builder. I looked into this company and from the start, Waseem was very reassuring. The conversation was smooth, and he was very open to discuss everything. He even recommended me to get quotes from other building companies. Seeing their exceptional reviews on every platform, and the initial smooth chat, I was completely hooked. Day one came and I was away on holiday when they started their job. I had it all discussed on the phone to start everything while I was away. Being away from your home and letting people into your house can be unsettling, but Waseem being very professional, reassured me that I should enjoy my holiday and not to worry about anything. He sent me pictures every day on the progress of their jobs and only called if they really needed me. I came back from my holiday and the progress to their job was surprisingly quick. The team does not waste time on the job, and this was also noticed by my neighbour who acknowledged and highly commended their work and their work ethic. I was at a point that I was slowing them down because I just couldn’t keep up with their pace. Not only they were quick, but the job was done with perfection, and they do tidy up before they finish every day. I was working away from home throughout their job, and this could’ve been a heavier burden for me but the team made sure that I’m not worrying about anything. Everytime I come home, they never fail to surprise me with the progress of their work and putting a smile on my face. They have completed their job perfectly as I wanted for my house and was completed sooner than I thought it would. I have already recommended them to friends & families who are thinking of doing their homes. I couldn’t thank you enough brother Waseem and your team for your great work, along with your friendly team. You’ve all made it all worth it for me. I am now a proud owner to my newly reformed home and you’ve all made that happen to this proud serving British Soldier. Thank you! - HIGHLY RECOMMENDED. Aseri
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Naveed Ur Rehman profile picture
Naveed Ur Rehman
840 days ago
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They are very professionals, punctual, and dedicated throughout the project, and the results are truly impressive. I will certainly recommend your services to others and look forward to working with you again in the future.
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Muhammad Raheem profile picture
Muhammad Raheem
955 days ago
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"Quality of work is GREATE, the finish looks spotless."