Ground floor extension
SE15
Completed before the expected finish date and on budget. The team worked hard throughout, even through some terrible weather. Delighted with the outcome and the standard delivered.

Baseline Build And Renovate Ltd · Company 11470688
Active, accounts up to date·main contractor & subcontractor·Head office London
Baseline Build & Renovate is a South London-based company specialising in residential projects with a high-end finish. With a skilled and experienced workforce, they help clients create their dream homes. They offer expertise in construction, home improvements, and renovations, having worked on properties ranging from large period homes to studio flats.
Their services encompass bathroom and kitchen installation, electrical work (carried out by NICEIC qualified electricians), and upgrading heating systems. They pride themselves on quality workmanship, personal service, and a quick turnaround time with no compromise on standards. A significant portion of their work, around 75%, comes from repeat clients, a testament to their reputation for efficiency, trustworthiness, reliability, and cleanliness.
Baseline Build & Renovate is a proud member of The Federation of Master Builders, TrustMark, Gas Safe, Which? Trusted Traders, and Checkatrade, underscoring their commitment to quality and customer satisfaction. They ensure all work is insured and focus on clear communication and negotiation with clients before any work commences.
SE15
Completed before the expected finish date and on budget. The team worked hard throughout, even through some terrible weather. Delighted with the outcome and the standard delivered.
BR3
Work carried out to the agreed schedule and budget. Continuing communication and excellent up front advice to find a solution to existing plumbing problems.
SE21
Included building another upper storey and loft conversion as well as roof, downstairs, electrics, heating and refurb on every floor. The guys were polite, clean and respectful of neighbors. Costings were clear and good communication. Stayed within budget and timelines.
SE15
Completed before the expected finish date and on budget. The team worked hard throughout, even through some terrible weather, which was appreciated. Delighted with the outcome and the standard delivered.
SE16
The team were reliable and always did the things they said they would. No hidden costs. Excellent communications. Very helpful, friendly and offering ideas and suggestions to get the best possible outcome. Project managed everything. Professional job across a range of trades, electrics, heating, plastering, carpentry, flooring, decorating. Completed on time.
SE1
Included removing part of a weight-bearing wall, putting in a steel support beam, fitting a new kitchen and outside tap, fitting new flooring, and decorating. Work carried out to a high standard, within budget, and to specifications. Useful suggestions made to improve some of the desired work. Dealt with Building control and with electrical certificates.

SE15
The whole job, including tiling of some awkward shaped tiles was completed within 5 days. All work was completed to a high standard, and the final results were very pleasing. Subsequent work included replacing a garden fence, wallpapering, painting and putting up shelving. The team always arrive on time, are friendly, polite and always resolve any issues.
Client · Charlie

SE4
The flat looks amazing after work has finished. The company was engaged, efficient, reliable, organised and offered best advice possible. High workmanship and finished to the highest standard. The team are great guys to work with.
Client · Tim

New Cross
The kitchen was gutted and prepared, new kitchen fitted, room decorated, hall flooring laid and walls painted. Also external painting (front of house). The team work very effectively and quickly and the result was very satisfactory.
Client · Tim

SE1
Worked to an agreed budget and tight deadline with perfect attention to detail. The units were built around difficult chimney breasts and alcoves, and the plumbing and wiring was done discretely. Worked closely with joiners to coordinate delivery and timings. The worktops, tiling and final finishing are all very professional.
Client · Mark

SE26
Extremely happy with the finished work. Had peace of mind throughout the project. Very organised, committed and deliver high quality workmanship. Offer great value. Cannot be faulted in any way.
Client · Fiona
This profile was compiled from public records. Claim it to add the things buyers ask for:
South London based renovation, installation and maintenance company specialising in high-end residential projects. Offering quality workmanship for kitchens, bathrooms, electricals, heating, bricklaying and more. Their listed services include Refurbishment, Extensions, Kitchen fitting, Bathroom fitting and Electrical.
Baseline Ltd is registered at 35a Astbury Road, London, SE15 2NL, in London.
Baseline Ltd states that it works across London, South East London, South London and East London.
Accounts filed for the year to 2025 report 9 employees, which places the company in the 1-9 employees band.
Companies House lists Baseline Ltd as active, with accounts most recently made up to 2025-07-31.
Baseline Ltd displays NICEIC, Gas Safe, FMB, TrustMark, Which? Trusted Traders and Checkatrade on its website.
Baseline Ltd works in Residential and Commercial.
Baseline Ltd was incorporated on 2018-07-18.
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