All Bathroom fittersBath ResurfacingBathroom DesignBathroom InstallationBathroom RepairBathroom TilingComplete Bathroom RefurbishmentWet Room InstallationAll Blacksmith / Metal workersDecorative Ironmongery and MetalworkMetal Kitchen WorktopsMetal StaircasesSecurity FencingSecurity Gates & BollardSecurity GrillWooden / Metal / Wire FencesZinc / Metal RoofAll BricklayersChimney Building / RepairGarden WallPizza OvenPointing / RepointingStonework / Stone CladdingAll BuildersCavity Wall InsulationCellar & Basement ConversionChimney Building / RepairCladdingConservatoryDisability Access InstallationGarage ConversionGarden Office / Studio ConstructionGroundwork / FoundationsHome ImprovementsHouse ExtensionLoft ConversionLog Cabins / Timber Framed BuildingMetal StaircasesMould / Damp ControlPartition WallPeriod / Listed Building WorksPizza OvenPorch / CanopyPost Construction CleaningSteel Fabrication / Structural steelworkSuspended CeilingUnderfloor InsulationUnderpinning / Piling / FoundationsWooden StaircasesAll Carpenter / JoinersBespoke FurnitureBespoke KitchensBuilt-In FurnitureFitted Bedrooms / WardrobesFlat Pack Furniture AssemblyFloor Sanding & FinishingGarden Shed / PlayhouseGeneral Fitted FurnitureHot Tub Installation / RepairLaminate FlooringLog Cabins / Timber Framed BuildingPeriod / Listed Building WorksRadiator CoversSkirting Board InstallationSolid Wood FlooringWood Floor Sanding / StainingWooden Casement WindowWooden Cladding /Fascias/ SoffitsWooden DeckingWooden Doors - ExternalWooden Doors - InternalWooden Sash WindowWooden ShutterWooden StaircasesAll CCTV / Satellites / AlarmsAerial & Satellite Dish InstallationAerial InstallationBurglar, Security & Intruder Alarm InstallationCCTV InstallationDigital Home NetworkFire Alarm InstallationSound & Audio Visual InstallationAll CleanersCarpet CleaningCommercial Window CleaningConservatory Cleaning / MaintenanceDeep Cleaning - CommercialDeep Cleaning - DomesticDomestic House Cleaning: One OffDomestic House Cleaning: RegularEnd of Tenancy CleaningOffice / Commercial CleaningOven CleaningPost Construction CleaningRepeat Wheelie Bin CleanWindow CleaningAll Drainage SpecialistsDrains - Installation / Unblocking / CleaningSeptic Tanks - Installation / Emptying / CleaningAll Driveway paversBrick / Block PavingConcrete DrivewayResin DrivewayTarmac DrivewayAll ElectriciansAccess Control / Door EntryAerial & Satellite Dish InstallationAir Conditioning / RefrigerationCarbon Monoxide Alarms - InstallationDomestic Appliance RepairElectric Car Charging Point InstallationElectric Oven / Hob - InstallationElectric Underfloor HeatingElectrical Inspection Condition ReportElectrical Installation / TestingEmergency ElectricianExternal LightingHot Tub Installation / RepairInternal LightingLandlord Reports / Safety ChecksSmoke Alarm - InstallationAll Floor fittersCarpet FittersElectric Underfloor HeatingExternal TilingFloor Sanding & FinishingFloor TilingLaminate FlooringLinoleum FlooringPlastic / Rubber FlooringPolished ConcreteScreedingSolid Wood FlooringStone / Concrete PavingVinyl FlooringWater Underfloor HeatingWooden DeckingAll Gardener / Landscape gardenersArtifical Grass / Astro TurfBrick / Block PavingGarden ClearanceGarden DesignGarden MaintenanceGarden Shed / PlayhouseGarden WallLandscapingLawn Care Services - Grass Cutting / Turfing / SeedingPlantingPond & Water FeatureRepeat Garden MaintenanceSoil Irrigation / DrainageStone / Concrete PavingTree Surgery / ConsultancyWooden / Metal / Wire FencesWooden / Metal GatesWooden DeckingAll Gas / Heating engineersElectric Boiler - InstallationElectric Boiler - RepairElectric Boiler - ServiceGas Boiler - InstallationGas Boiler - RepairGas Boiler - ServiceGas Cooker / Hob - InstallationGas Cooker / Hob - RepairGas FireHeat Pump (Air source/ Ground Source)Hot Water Tank/Appliance Tank ThermostatsOil-Fired BoilerRadiatorSolar Panel InstallationWater Underfloor HeatingAll HandypersonsBlind / Curtain / Shutter - InstallationCat Flap - InstallationDomestic Appliance RepairElectric Oven / Hob - InstallationFlat Pack Furniture AssemblyHome Maintenance / RepairJet / Power WashingPerspex / Protective ScreensSkirting Board InstallationAll Kitchen SpecialistsBespoke KitchensComplete Kitchen RefurbishmentFitted KitchensKitchen Design / InstallationKitchen TilingKitchen Worktops - StoneLaminate / Wooden Kitchen WorktopsMetal Kitchen WorktopsAll LocksmithsBurglar RepairsDoor OpeningDoor ReplacementEmergency / 24 Hour LocksmithLock Fitting / RepairAll Loft Conversion SpecialistsHome ImprovementsLoft ConversionMetal StaircasesVelux / Skylight WindowWooden StaircasesAll Painter and decoratorsDoor / Window PaintingExternal Wall PaintingInternal Painting & DecoratingMould / Damp ControlWall Murals / Paint EffectsAll Pest ControlersCommercial Pest ControlResidential Pest ControlAll Plasterer / RenderersDecorative Cornicing / PlasterworkDry Lining & Plasterboard - InstallationDry Lining & Plasterboard - RepairExternal RenderingExternal Wall InsulationInternal RenderingPebble DashingPlaster SkimmingPolished / Other Plaster FinishScreedingStandard CovingAll PlumbersBathroom InstallationBathroom, Kitchen and WC PlumbingEmergency / 24 Hour PlumberGuttering and Rainwater PipeHot Tub Installation / RepairPlumbing Repair & MaintenancePower Showers and PumpRadiatorSolar Panel InstallationSprinkler SystemWater Tanks and Immersion HeaterWater Underfloor HeatingAll Removal ServicesHouse ClearanceHouse RemovalsMan/Woman with a VanSpecialist RemovalsStorageWaste RemovalAll Renewable Energy SpecialistsElectric Car Charging Point InstallationHeat Pump (Air source/ Ground Source)Solar Panel Cleaning & RepairSolar Panel InstallationAll RoofersChimney Building / RepairFlat Roof - Installation / RepairGuttering and Rainwater PipeLeadworkRoof CleaningRoof InsulationSlate & Tiled RoofThatched RoofuPVC Fascias / Soffits / CladdingVelux / Skylight WindowWooden Cladding /Fascias/ SoffitsZinc / Metal RoofAll Security systems / AlarmsAccess Control / Door EntryBurglar, Security & Intruder Alarm InstallationCCTV InstallationFire Alarm InstallationGarage Doors - Installation / RepairLock Fitting / RepairRoller Shutters - Installation / RepairSecurity FencingSecurity Gates & BollardSecurity GrillAll Specialist TradespersonsAerial & Satellite Dish InstallationAir Conditioning / RefrigerationBrick / Block PavingBrick & Stone CleaningCellar & Basement ConversionDamp ProofingDemolitionDigital Home NetworkDisabled Access / Mobility ServiceFireplaceScaffoldingSound & Audio Visual InstallationSound ProofingStored GasStored OilThermal InsulationTimber Preservation, Woodworm & RotWaste RemovalWater Underfloor HeatingWhole Internal RefurbishmentAll Stoneworker / StonemasonsBrick & Stone CleaningFireplaceGarden WallKitchen Worktops - StoneLandscapingPolished ConcreteStone / Concrete PavingStonework / Stone CladdingAll Swimming Pool SpecialistsSwimming Pool DesignSwimming Pool InstallationSwimming Pool MaintenanceAll TilersExternal TilingFloor TilingWall TilingAll Traditional CraftspersonsBespoke FurnitureDecorative Cornicing / PlasterworkDecorative GlazingDecorative Ironmongery and MetalworkFireplacePeriod RestorationStonework / Stone CladdingThatched RoofWall Murals / Paint EffectsWooden Doors - InternalWooden ShutterAll Tree SurgeonsCrown ReductionCrown ThinningStump GrindingTree FellingTree Surgery / ConsultancyAll Window fitter / Conservatory installersConservatoryConservatory Cleaning / MaintenanceDecorative GlazingPerspex / Protective ScreensSingle / Double GlazinguPVC Windows & DoorVelux / Skylight WindowWooden Casement WindowWooden Doors - ExternalWooden Sash WindowAsk a tradespersonCost guidesHomeowner advice centreInspiration centreTrade advice centreTrends reportLondonBerkshireBuckinghamshireEast SussexHampshireIsle of WightKentOxfordshireSurreyWest SussexBristolCornwallDevonDorsetGloucestershireSomersetWiltshireBedfordshireCambridgeshireEssexHertfordshireNorfolkSuffolkHerefordshireShropshireStaffordshireWarwickshireWest MidlandsWorcestershireDerbyshireLeicestershireLincolnshireNorthamptonshireNottinghamshireRutlandEast Riding of YorkshireNorth YorkshireSouth YorkshireWest YorkshireCheshireCumbriaGreater ManchesterLancashireMerseysideDurhamNorthumberlandTyne & WearClwydGwyneddGwentMid GlamorganSouth GlamorganDyfedWest GlamorganPowysAyrshire and ArranBerwickshireCity of EdinburghDumfriesDunbartonshireLanarkshireMidlothianRenfrewshireRoxburgh- Ettrick and LauderdaleThe Stewartry of KirkcudbrightTweeddaleWigtownAberdeenshireAngusCity of DundeeCity of GlasgowClackmannanEast LothianFifePerth and KinrossStirling and FalkirkWest LothianArgyll and ButeBanffshireCaithnessCity of AberdeenInvernessKincardineshireMorayNairnOrkneyRoss and CromartyShetlandSutherlandWestern IslesAntrimArmaghDownFermanaghLondonderryTyrone

The quick way to find a local Cellar & Basement Conversion specialist in Hertfordshire

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 Cellar & Basement Conversion specialists

Take a look at our Cellar & Basement Conversion specialists profiles, read reviews and request quotes directly.

TCL Building and Landscapes, friendly professional service.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Paul on 8/3/2024

Quick response and turn around

Social Distancing Since 2020. We Are Here For You. We are a Son and Father team with a wealth of experience of working for private clients.We also work at Pinewood Studios building film sets and advertising sets.Painting,Plumbing and building works.If you want something different then you have found us.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Rachel on 10/8/2021

Not only were Tim and Brian the best tradesmen who we have had, they were the tidest, most reliable, trustworthy people I have had work in my home. They stuck to the quote, fixed every problem that arose, made it as stress free as possible and were super friendly. They will be my first call for any future work that needs doing. They knocked down the wall between our kitchen and dinner and fitted a whole new kitchen... Couldnt be happier.

J4H Civil Engineering Ltd is a trusted company providing a range of property maintenance and home improvements for domestic and industrial customers in Feltham, Middlesex, West London, and the surrounding areas.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Jason on 13/4/2025

Delighted with the service received from this company. Completed the job to quoted budget and well within the maximum timeframe quoted including doing some extra work (painting hallways, replacing spotlights) that weren't in the original job. Everything looks really good, and I wouldn't hesitate to recommend them.

geo-tlamp avatar

geo-tlamp

Cellar & Basement Conversion

-Extensions -Conversions -New build ,Refurbishments Garage conversion Flat roofs And more.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Kim on 3/11/2024

Piotr was meticulous in his work and very knowledgeable. He did a great job for me and I would use him for any further projects I have.

Mr Fixer avatar

Mr Fixer

Cellar & Basement Conversion

I'm a sole trader,with 9 years experience and orientated to a quality finish of every job.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by adam on 25/1/2024

High quality works based on 13 years experience.guaternted quality work at accesible prices and no time wasted

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Rashi on 10/9/2025

London City Roofing & Renovations ltd is an established and trusted company with over 20 years experience, offering all aspects of roofing and building services. We are based in Wembley (London) serving all of London and surrounding areas within 100 miles.? We pride ourselves on our punctuality and quality workmanship, offering a prompt and professional service with experienced and expert staff. We guarantee a friendly, clean and tidy service with all work being to the highest standard. We are fully insured and all work is guaranteed. All our tradesmen are experienced and qualified in their respective trades. We specialise in the following: Roofing services: UPVC Fascias & Soffits Cladding Guttering Bargeboards Flat Roofing Chimney Repairs Tile & Slating Work Re-Roofs Lead Work General Building Work Fibre Glass Roofing Double Glazing Building services: Home improvements Kitchen Fitting Bathroom Fitting Extensions Loft Conversions Garage Conversions Bricklaying Plastering Comprehensive driveway and paving service, including: Driveways Drop Kerbs Patios Paths Block Paving Concreting Tarmacing Car Port We offer free quotes

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Richard on 22/11/2024

John and the team did an outstanding job. It was easy to work with John and he was very knowledgeable, and provided very sensible advice. Other people quoted work which was over-the-top or wouldn't have solved the problem but John got right to the issue in a no-nonsense way. Quality of the work undertaken was very good, considering the age of the building and complexity. Would recommend.

we are a family run business with over 40 years of experience in the building trade. we specialise in traditional design and renovation work, interior and exterior including all areas of roofing work. Drone inspection surveys are also available if required. we have worked on a number of listed buildings over the years that have needed underpinning work carried out on them and new drainage systems installed. We are fully insured to carry out any building work requirements. We'll look forward to helping you the best we can.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Claire on 18/7/2025

Alex did a great job and we are really happy - we would definitely work with him again.

We are General Building Services ANGEL BUILDING@BUSINESS We look after our costumers for 21 years. Wall Work Undertaken

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Amanda on 22/4/2024

Angel and his team were great. Came on time and worked long days. I'm really happy with the work they have done. I will definitely use them again and would recommend them.

FINISHERS. You're complete building & decorating solutions. Established 1995 , finishers is a family ran business in the centre of Cambridge we guarantee any work undertaken will be completed to the highest standards. For a free quote contact FINISHERS

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Sheila on 25/6/2025

my potting shed was reglazed and the rotten wood replaced arrived on time to give an estimate Work completed to a high standard prompt reliable Michael was open honest and the work done was value for money

We believe that no job is too small. From home refurbishments to large commercial contracts, we are experienced and knowledgeable to get the job done for you! Every job is managed by Betka to ensure every project is delivered to the highest standards. We work with you every step of the way to capture your requirements and ensure the result is just as it was envisioned. We take pride in our ability to provide professional, timely, and experienced services.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Mohit on 1/3/2024

Michal and team did a great job in adding office room, remodelling and fitting new kitchen, flooring and renovating the full house for us within 2.5 months. All team members were professional and worked very fast to complete the work on time.

J and J Building Construction have been supporting customers for over 40 years. We take on all general building works such kitchens, bathrooms, loft conversion, drives, general plumbing, electrical, decoration, garden and patio works, roofing etc.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Dzmitry on 18/12/2025

John and Yuri recently completed wall insulation at my property and I’m very happy with their work. The quality is high, everything was done professionally, and there were no extra costs beyond what we agreed. I would definitely recommend them.

We offer property care and maintenance to a high standard.Reliable affordable and high quality services. We can offer you full bathroom renovation, kitchen renovation , floor fitting, plasterboard partitions , painting , carpentry works , plumbing works , electric works , etc Web site : gmppropertyservices.co.uk Instagram page : gmp_property_services

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Sofi on 20/12/2025

We're absolutely thrilled with our toilet renovation by Giannis and his team! Giannis made the process seamless - supplied quality materials and oversaw the work. Along with Bilal, they fixed a recurring leak by installing new pipes and installed new tiles, toilet, and vanity unit. They are professional, trustworthy, and they delivered an outstanding result as promised. Huge thanks to Giannis for giving us a stylish toilet and Bilal for his skilled installation - will definitely hire GMP again!

Dawid Pec avatar

Dawid Pec

Cellar & Basement Conversion

David Property Maintenance Ltd. We offer: full bathrooms and kitchens refurbishment, house refurbishments, plastering, all kinds of flooring fitting, tiling, painting & decorating etc. Full insurance. Free no obligation quote will be provided.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Mark on 10/6/2025

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

25 years experience as a builder and over 15 years running my own business I specialise in property renovation, loft conversion, bathrooms and kitchens fitting Cooperating with and architect, fully qualified electrician and Gas Safety plumber All job insured

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by mark on 30/9/2024

Andrew and his team did a great job with our refurb. His quote was very competitive and he was easy to communicate with. Very happy with the finish. Would definitely recommend him and use his team again for any other work in the future.

hello, I am a responsible person, I have more than 10 years of experience in construction, painting and decorating, flooring, tiling, carpentry, plumbing, and more... I do my best to keep the client happy... contact me if you want a good quote for your work! I Regards:ION

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Michele on 7/10/2025

I could not have hoped for a better experience than the one I had with Ion. He was extremely skilled, professional, available, accommodating, and detail focused. He is also the loveliest guy you could ever hope to meet, and he was a joy to have him over to work on my flat. Anyone in need of any type of renovating job for their house, should look no further and hire Ion in a heartbeat. You will not regret it I promise. Thank you

We offer a full and comprehensive range of residential and commercial building services like bathrooms, kitchen,patios,loft conversion,extensions ,internal and external building work.More than 20 years of experience and highly quality construction

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by denny on 22/12/2019

Excellent, from start to finish. Very professional. Cesar and his partner were excellent in their work. I'm giving them 100% Feedback and will be keeping their number.

We are North London Based Building Company offering the following services: Carpentry/Joinery,Painting/Decorating,General Builduing work. Our motto is : ALWAYS AIM FOR PERFECTION

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by samar on 20/3/2021

Zoltan was great. He took the time to design and plan with us, had a lot of patience for working out the detail... he was very clear in giving us timing brackets and delivering within that time. He loves what he does, and that is very visible in the quality of the carpentry and joinery he delivers. We would definitely recommend him to anyone as we are very happy with the results.

We specialise in structural works, underpinning, steelwork and basements. Our experienced team are also experts in damp control, waterproofing and tanking solutions and all our work is guaranteed, offering our clients complete peace of mind.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Lisa on 9/3/2023

We had a retaining wall fixed in our basement. Kevin was great at communicating and helpful with the issues we had. The team working were great, polite, and kept the place clean and tidy each day. Very reliable. Thanks!

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