積慶(qing)堂又名(ming)“恩(en)薦堂”、“小宗祠”,位于(yu)社峰(feng)村下宅(zhai)。始建于(yu)元朝,后(hou)(hou)重建于(yu)明(ming)崇禎(zhen)十七年(1644),清康(kang)熙、乾(qian)隆年間(jian)(jian)重修。坐西朝東,布(bu)局為三(san)間(jian)(jian)四進(jin)(jin)(jin)(jin)兩(liang)狹弄,通面闊13.75米,通進(jin)(jin)(jin)(jin)深(shen)(shen)58.8米,硬山頂(ding)。一進(jin)(jin)(jin)(jin),進(jin)(jin)(jin)(jin)深(shen)(shen)六檁(lin)(lin),梁(liang)架(jia)為六架(jia)后(hou)(hou)檐(yan)(yan)廊(lang),用(yong)(yong)脊柱,前(qian)(qian)(qian)(qian)檐(yan)(yan)雙步(bu)施(shi)(shi)卷(juan)棚。二進(jin)(jin)(jin)(jin),進(jin)(jin)(jin)(jin)深(shen)(shen)九(jiu)檁(lin)(lin),梁(liang)架(jia)為五架(jia)梁(liang)前(qian)(qian)(qian)(qian)后(hou)(hou)雙步(bu),明(ming)間(jian)(jian)前(qian)(qian)(qian)(qian)后(hou)(hou)檐(yan)(yan)部分(fen)檁(lin)(lin)下浮雕獅子和花卉等。三(san)進(jin)(jin)(jin)(jin),除前(qian)(qian)(qian)(qian)檐(yan)(yan)雙步(bu)施(shi)(shi)卷(juan)棚外(wai),其余梁(liang)架(jia)結構均與(yu)二進(jin)(jin)(jin)(jin)相(xiang)似。四進(jin)(jin)(jin)(jin),進(jin)(jin)(jin)(jin)深(shen)(shen)七檁(lin)(lin)用(yong)(yong)四柱,梁(liang)架(jia)脊柱前(qian)(qian)(qian)(qian)后(hou)(hou)雙步(bu)帶前(qian)(qian)(qian)(qian)廊(lang),前(qian)(qian)(qian)(qian)檐(yan)(yan)柱間(jian)(jian)設格扇(shan)門窗(chuang)。三(san)進(jin)(jin)(jin)(jin)與(yu)四進(jin)(jin)(jin)(jin)明(ming)間(jian)(jian)之間(jian)(jian)設過廊(lang)。
積慶堂建筑規(gui)模宏大(da),選(xuan)址布局合理(li),用材規(gui)整大(da)氣,歷次修建均(jun)有明(ming)確年(nian)代記(ji)載(zai),具有很高的歷史、科學和藝術價值,對研究我國(guo)明(ming)清時期(qi)(qi)江南建筑技藝、技法(fa)和營造(zao)理(li)念(nian)及其傳承和衍化(hua)過程具有標尺性作用。1992年(nian)被列為市級(ji)文保單(dan)位,2005年(nian)獲批省級(ji)文保單(dan)位,可以長期(qi)(qi)對外開放(fang)展示(shi),2013年(nian)5月公布為國(guo)家級(ji)文保單(dan)位。