@engdavid.otunga: This is my latest design, a modern 5 bedrooms all ensuite maisonette flat roof with an acces to roof top. Plot size-50ftsx80fts Total floor area-362m² Total design cost-Kshs130,000 Main house construction cost-Kshs14,856,937 Perimeter wall Construction cost-Kshs896,476 All plumbing and electrical fittings works included 16% VAT on materials purchase included. All labour and materials included. We design and build countrywide WhatsApp 📞 📲 0758187061 Visit my office situated along Nicholson Drive, off Ngong road kilimani nairobi kenya.