Some of our top rated damp proofers in Welwyn
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We specialise on all aspects of plastering,rendering ,screeding water & damp proofing ,general building. over 25 years experience. All electrical installation .
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Bluestonestate is north London based construction and loft conversion structural works reactive house extension
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“Experienced Painter, Decorator, and Handyman with a reputation for delivering high-quality finishes, reliable repair work, and exceptional customer service across residential and commercial properties.”
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We are an established roofing and solar PV company based in Hertfordshire. We are able to assist with flat roof and pitched roof enquiries. All our renewal work is guaranteed and we are able to offer Insutamce backed guarantees of up to 10 years also. Some of our accreditations include Trustmark,RECC, MCS, which? trusted trader, ISO, CORC
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Probably the most outstanding, Friendly London based Physicist in action Plumbing Gas leaks Thermal imaging Electrical and Mechanical Vaillant and Intergas gas boilers approved F Gas Registered - Air Conditioning Split / Multi Units Refrigeration HVAC Property Maintenance Fully qualified and insured Full DBS checked Airbnb multi skilled emergency tradesman Beware of Rogue Traders and COWBOYS - a lot of thief’s about
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NuRend limited have over 20 years experience in plastering and rendering between us , we are silicone render approved and issue ten year warranty small on silicone renders we also cover external wall insulation , damp proofing , floors screeds and much more . Look no further for any external works or internal works great communication polite and efficient Thanks again for reading Ellis Lockwood NuRend limited
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With over 34 years of hands-on experience in the industry, I bring specialist knowledge in damp proofing and professinal insight as a qualified building surveyor. As a family-run business, I take great pride in delivering high-quality, reliable service that's built on trust, transparency, and long-standing expertise. Every project I undertake is backed by public liability and indemnity insurance and a fully comprehensive ten year guarantee - giving you complete peace of mind that your property is in safe hands. I am here to provide honest and effective advice with lasting solutions to your damp issues.
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Our company, Construction in level, specializes in construction works, groundworks, performing each project with passion, precision, and dedication. With our experience and attention to detail, we ensure the highest quality of service, meeting the expectations of even the most demanding clients. By choosing us, you choose reliability, professionalism, and satisfaction with the results.
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Hi, I’m a certified Passive House Designer (PHI – Germany) based in Stratford, with over 10 years of hands-on experience in construction, façade systems, airtightness detailing, door & window installation, and full residential refurbishment. My work combines practical building expertise with advanced building physics, allowing me to deliver upgrades and repairs that are not only well-finished, but also energy-efficient, durable and technically correct. I’m detail-driven, reliable and known for leaving every job clean, organised and professionally finished. 🌬️ Energy Efficiency, Airtightness & Diagnostics Blower Door Airtightness Testing Using professional blower-door equipment, I carry out full airtightness tests to identify all hidden air leaks around: windows & doors walls & floors service penetrations insulation gaps loft hatches & structural junctions Air leakage often causes: cold rooms & draughts high heating bills condensation & mould noise infiltration poor comfort I detect and document every issue, then provide clear recommendations on how to fix them. 🔥 Thermal Imaging & Heat-Loss Analysis With a calibrated thermal camera, I identify: thermal bridges missing or failing insulation cold/damp areas poor window/door performance heat-loss patterns throughout the property This helps homeowners understand exactly where energy is being lost and why. 🌡️ Humidity, Ventilation & Mould Diagnostics I measure humidity and airflow to diagnose: condensation problems mould risk inadequate ventilation poor indoor air quality I then provide targeted advice based on Passive House principles. 🏡 Passive House–Level Improvement Guidance As a PHI-certified specialist, I offer tailored upgrade plans such as: airtightness improvements insulation detailing thermal bridge mitigation façade optimisation moisture control strategies window & door performance upgrades Result: a home that is warmer, quieter, healthier and significantly cheaper to run. 🛠️ General Building & Refurbishment I also take on high-quality internal improvement work, including: plasterboard installation, patch repairs and making good stud walls & small conversions tiling (walls & floors) painting & decorating laminate flooring, skirting & trims door & window installation handyman tasks & furniture assembly small carpentry repairs I bring the same precision, cleanliness and attention to detail as in my energy-efficiency work. 🧱 Façades & Exterior Work 10+ years experience with: ventilated façade systems external insulation systems exterior rendering (small/medium) exterior repairs & maintenance ⚠️ Important Notice I do not take on: plumbing gas work full electrical rewiring Everything else is carried out to a high, safe and clean standard. ✔️ Why Customers Choose Me Based in Stratford Fully insured Certified Passive House Designer (PHI Germany) Professional, friendly and reliable Precise workmanship & clean finishes Strong technical and diagnostic expertise Honest, transparent pricing Clear communication throughout the job
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Hello , my name is Alan, I have 20 plus years experience in multi-trade , carpentry, painting & Decorating, amongst many other skills. I work in domestic and commercial sectors . I am consistent in offering a friendly and reliable service, and like to keep in good communication with customers. Through commercial I am requested to attend by customers, this is due to my high standard of work and presentation. Majority of my work is lead my recommendation. No job is too small, repairs fall within my remit also.
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City Building and Roofing Ltd provides professional roofing, refurbishment and building services across London and Surrey. Our services include roof repairs, new roofs, flat roofing, GRP roofing, roof refurbishment, guttering, fascias and soffits, chimney work, damp proofing, brickwork and full property refurbishment. We work with homeowners, landlords and commercial clients, delivering reliable workmanship, honest advice and free no obligation quotes.
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20+years experience in construction.Working on all types of jobs;large,small and everything in between.Seasoned in extensions,brickwork,renovations,chimney removal,structural work and development,we ensure an exceptional finish. Competitive rates,we have natural drive to get jobs done. These qualities allow us to set out budgets,and time frames,allowing our clients peace of mind. See our about section,and soon you could be relaxing in the knowledge that your job will be done on time and budget.
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We always deliver our best, in order to make our customers 100% happy .My reviews define my work ,quality makes the difference, we always look into the details when the job is completed, and focus on our clients queries to achieve the best result. We always working close with our customers needs and expectations, to obtain a satisfactory service, and good reputation with our clients. I'm 1st aider qualified, nvq and management civil engineer qualified.
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We are experienced team working in the Building line form last 15 Years, we specialise in Ground Work, Basement, waterproofing the basement, drain work, all kind of foundation work, piling, steel work, beam & block and all machine digging and hire.


