The quick way to find a local House Extension specialist in King's Cross

Post your job for free. Get quotes. Read reviews.

Over 10,000 rated tradespeople
are ready to help you get your job done

Over 3 million happy homeowners
have found a quality tradesperson

Over 1 million ratings
with 88,000 5* ratings in the last 12 months

Join our group of happy customers

Thousands of 5 star reviews

Read real reviews from customers about their service experiences.

Craig got in touch quickly, gave me a rough estimate over the phone and answered all my questions. Surveyor arrived on time, gave instant quote. Price was good. Michael and (another) Craig turned up to do the job on the day, time given. Good, tidy job. Can't fault anything, from start to finish!! Would recommend!

Mary

George and his team are experienced builders, replaced my front door with a custom frame/sidelights and raising the floor level in the hallway quite quickly - in fact, they were the only who came next day, gave a quote straightaway and were ready to start in just couple of days. They also had all the necessary tools and materials, were ready to buy something additional quickly on the day - if further adjustments were required to fit everything as I asked. Thanks a lot for your help, guys!

Dmitry

Highly recommend. These guys did a fantastic job of constructing our pergola and decking. Very hardworking and reliable. The job was completed in the time frame agreed and to a very high standard. We would 100% use them again.

Holly

Browse House Extension specialists

Take a look at our House Extension specialists profiles, read reviews and request quotes directly.

Hello, We are BUILD SAFE HOMES LTD Building contractor with 20 years of experience -Extensions -Loft Conversions -Kitchen fitting -Bathroom fitting -Plumbing -Electrical -Tiling -Carpentry -Decoration -Decking -Driveways -Garden offices -Scaffolding -Roofing All works are insured and covered by 12 months warranty. Please shortlist our company and we will be delighted to assist you with your building project! Regards BUILD SAFE LTD

We are an electrical contractors with over 20 years of experience. NICEIC registration. Always delivering friendly and exceptional service. Public liability insurance for your peace of mind.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Tunji on 7/10/2024

Great price, prompt and professional.

We specialise in general building: Landscaping Stone works Brick paving Brick work Plumbing & Heating Damp proofing Extensions Loft conversions

Latest homeowner review
full starfull star
Reviewed by Nigel on 1/7/2019

He turned up and surveyed the job very professionally, stated he would quote within two days, but I never heard back from him. Very irritated.

This is Simicus Construction Ltd, we are a team of builders with over 20 years of experience in the Construction Industry.

family run business with over 20 years in the roofing industry we can meet all of your roofing needs from flat roofs fibreglass felt or rubber we do small single slate and tile repairs to whole new roofs all UPVC products dry verge systems dry ridge systems all types of guttering basically anything to do with your roof chimney repairs to lead work we do it all hard and soft Brick layer re-pointing /

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by jeannine on 18/10/2023

I call Phill and sons 3 days ago to fix a leak on my roof. I did have the valley fix by an other roofer but they did not do anything just to take my money. I was a bit suspicious but I was happily surprise when I call Phill who repond to my call very quicly. He is very friendly and most of all very professional. So so please with Phill I'll will recommand him anytime.Thank you Phill for your excellent job

With over 10 years of experience in the field, our dedicated team specializes in a wide range of refurbishment projects. We take pride in transforming spaces, whether it's residential, commercial, or industrial, ensuring that every detail is meticulously attended to. Our expertise encompasses everything from interior renovations to exterior upgrades, allowing us to breathe new life into any environment. We are committed to delivering high-quality workmanship, utilizing the latest techniques and materials to achieve stunning results that meet our clients' needs and exceed their expectations.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Sandra on 13/6/2025

Cosmin and team did an excellent job in my hallway and everything was finished to a very high standard. Highly recommended and would hire again

Rimi construction limited ! Guaranteed hight quality job with the best prices .

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Deepak on 30/9/2022

Very happy with Rimi. He at all times came up with ideas and solutions. We had a rear garden job. Involved brick work, decking, retiling, soil work,painting, creating new landscape overall. He did it professionally and in time. He was patient with delays in material supply and kept following up. Overall quite pleased with the end result

?

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Samson on 30/12/2024

Brilliant guy, very friendly and professional, Ill defiantly use this service on the future. Thank you.

With ALPHA BUILDING LTD you will have a pleasant experience. I have a high standard of work & fair quotes! I can assure any potential customer your satisfaction is my number one priority. All property renovation services available.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by David on 12/11/2024

LGL BUILDING SERVICES I have been in the industry for nearly 16 years and specialise in a number of trades including extension,loft conversion, rifurbishmant ,carpentry , landscaping With great attention to detail I aim to provide the highest quality of work. I am a trustworthy and genuine person devoted to my buisness, carrying out work professionally to each individual requirement

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Liz on 28/2/2023

Next Level bricklaying services with an exceptional level of quality workmanship and service.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Keith on 20/6/2024

I am delighted with the quality of Lefter's work. The job was a demanding one, and he responded to all the challenges. He is a perfectionist who works very hard. He is very easy to talk to and happy to explain how things are developing. I would recommend him highly.

Calling via the Rated People phone link button is the best way to make contact for a same day reply and lowest prices, call during July for a 25% discount on all quotes, offer ends July 30th If I miss your call, leave a message or text and I'll call you back on the same day Quotes can be given via pictures, and all payments can be made via bank transfer upon completion of all works. With over 25 years’ experience in the plastering, building trade and 10+ years of Rated People positive feedback, I provide a first-class service, including damp proofing, soundproofing and complete bathroom/kitchen and home renovations from start to finish

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Kate on 28/7/2025

building maintenance. roofs carpentry loft conversion extension Skylight. Velux slate tile lead work gutters pipes pvc fasia. grp fibreglass. Flat roof pitch roof zinc roof hot melt roof asphalt roof waterproofing paint for new roof we give you 15 years warranty

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Nicholas on 17/4/2025

Fantastic job! Worked really hard, polite, quality job. Would hire again no question.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Ben on 5/5/2025

Carpentry, home repairs, painting and decorating - mostly interior work. But also repairing and repointing. Works alone but can get a team for bigger jobs. Big and small jobs. Serving mainly West and North West London. Over 10 years of experience.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by David on 29/8/2025

More than 10 years experience in inside work Specialties: - Plasterboard - Tiles - Removal Services - Cleaning Qualifications: - Site Supervision Safety Training Scheme (SSSTS) - Blue Cscs - Harness award - First aid lv.3 - IPAF

Reliable, trusted working in the business since 2000. We work in conjunction with the client to get the best outcome for any job, within the time frame required. That is why we are trusted and recommended by many clients.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Sam on 13/10/2020

Very good and reliable.

Whether you need a small job done or would like to add an extension to your home, we do it all, big or small. We have been on the market for over 18 years and have hundreds of happy customers. We are committed to delivering superior quality work and ensuring customer satisfaction every time

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Julia on 11/9/2025

I engaged Pol Builders initially to replace the flooring on my landing. They did an excellent job, ensuring minimum disruption. I was so pleased with the standard of workmanship, they then completed, the hall, stairs and landing redecoration, installing panelling and laying LVT in the hallway to a very high standard. They re-modelled our kitchen units beautifully too. They are polite, efficient and professional and I would have no hesitation in recommending them to my family and friends.

started business as parternership in 2007, we grown our portfolio from 2 houses to 86 units today, we also helped over 100 homeowners and 25 landlords including housing association, we help from a full consultancy package to build yur dreams to even help with leasing to our corporate contacts if you wish to invest. featured on HOMES UNDER THE HAMMER, we pride our selves in job well done, we always make sure we start projects within 2 to 3 weeks from time we agree and we always deliver our projects on time; we make the impossible a luxury and affordable possible while we take all the stress away; BGH combines technical expertise with exceptional customer service, ensuring every client benefits from cutting-edge technologies tailored to their home needs. with industry leading certifications and proven track record, BGH is a top choice for those seeking efficient, reliable and successful renovations We ate fully accredited Offer full guarantees and insurances including insurance backed guarantee and deposit guarantee We are specialist in new build, extensions, heavy refurbs, hmo and luxury conversions

Dear Customer, We are a construction company with over 25 years experience. We undertake all aspects of building work, including new builds, extensions, lofts, total renovations, new bathroom and kitchens. All work guaranteed and certified for, GasSafe and NiCEiC approved on completion.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Paul on 21/11/2024

Great job good price

Post your job for free

app-icon

Get our app for homeowners

  • Send messages and get notifications from tradespeople
  • Add photos to get more accurate quotes
  • View tradespeople's profiles