Severe white frost; dull. Mr Ward the builder called. Also in afternoon an estimator from the surveyors called. Mr Pontifex called. Saw the barrage balloon hauled down and towed by a lorry to its moorings on the playing fields. Out to do shopping for the animals. A postcard in his own writing has been received from Cousin Len prisoner of war in Germany. Night warning at 7.50 p.m. Nothing happened. All clear at 8.44 p.m.