New Open House Hours for winter 2016. Londonderry's first conservation community offers 50 beautiful homesites surrounded by pristine conservation land. These quality built, Energy Star rated, Craftsman-style homes built by Chinburg Builders will save you money on energy costs and last for years to come. Many lots and home plans to choose from -- stop by one of our weekly open houses or contact us for more information at info@thegovegroup.com or 603-778-6400. Marketed exclusively by The Gove Group Real Estate, LLC.