In 2014 ANPOL, executed renovation of entrance gates to the property of Ministry of Culture and National Heritage in Warsaw.

Gate renovation in stages: the foundations of the walls were excavated, drained and waterproofed under the ground level, chafing and damaged plaster from the entire surface was removed, structural elements were cleaned of corrosion products, the stone elements were cleaned using the pressure water method and subjected to drying, the electrical installation has been replaced, damaged flashing has been removed, rotten and weakened bricks were forged and new ones were laid in their places, the whole was reinforced with preparations based on silicic acid esters, the cracks in the wall were stitched with stainless steel anchors, new flashings were installed, the defects in the face of sandstone and limestone were supplemented with mineral putties and gouging, layered renovation plasters were applied, the colors were combined and the stone elements were impregnated, the plasters were painted in accordance with the existing colors of the Potocki Palace