Adfer Ty’n Twll – Hanes Creu Tŷ Eco-Gyfeillgar

Prynodd Haf Roberts y bwthyn tila yn Llangywer ar gyrion tref y Bala, ddeng mlynedd yn ôl, heb ddŵr na chyfleusterau ar ei gyfer. Dyma hanes ei siwrnai i droi'r gragen yn gartref eco-gyfeillgar a chlyd.
The author decided to buy a traditional cottage in Penllyn and set out to renovate it using as many environmentally friendly materials and methods as possible. This is the story of the work carried out, from beginning to end, the successes and all the difficulties.