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About Nica

Experienced and Friendly


We manufacture high-quality bespoke windows and doors for private and commercial projects. Having been established and active in the EU for 30 years, we have built an impressive portfolio of projects ranging from fit-outs for historical listed buildings as well as modern developments.

The windows we make are built and fitted by our in-house team of carpenters and professionals. They are finished to the highest EU standards and whether sash or casement windows; front doors to sliding doors, they feature modern as well as traditional designs.


To operate in an ethical, upright, reliable and transparent manner. To give top priority to customer satisfaction with regard to price, and to the quality of products and services.

To meet our customers requirements in terms of design and style for all our products. We aim to establish a working environment where craftsmanship of the highest quality can flourish and our workers can feel a sense of pride in providing products and services that are best in class.

Meet the management team

Combined, we have many years of experience in construction, manufacturing and building customer centric businesses.

Peter Sas

Managing Director

With a laser focus on product excellence, customer service and a very large contact base of developers in London and the South East, Peter brings a lot of experience and value to growing the business and at the same time ensuring the smooth day to day running of the company.

Lukas Wolowiec

Operations Director

Having 10 years of experience in setting up production operations, running them efficiently and opening several European markets from scratch, Lukas is focused on the details and brings huge value to the business.

Peter Atkinson

Commercial / Finance Director

Peter is an executive manager who has priceless experience and general know how having spent many years holding Directorate positions in construction management companies Bovis and latterly Mace.

Having an official accreditation from the number one fenestration and glazing body in the UK, means our customers have 100% peace of mind when we complete window installations.

Our guarantee is additionally backed and insured by GGFi which specialise in window and door installation insurance, giving you even more confidence in our products.

Our projects are featured on the worlds largest building design website so that you can check us out and review us on Houzz as well.