Ysgol Craig y Deryn: Llanegryn | Wynne Construction

Ysgol Craig y Deryn: Llanegryn

  • Client Gwynedd County Council


    Gwynedd County Council

  • Contract Value £5.4m

    Contract Value


  • Length of Contract 12 months

    Length of Contract

    12 months

  • Architect B3 Architects


    B3 Architects

  • BREEAM Excellent



Wynne Construction was appointed by Gwynedd County Council to build the new area school Ysgol Bro Dysynni (named Ysgol Craig Y Deryn) in Llanegryn. The £5.4m new primary school project is a state-of-the-art modern educational facility designed to give the young people of the area the best possible start in life.

Ysgol Craig y Deryn offers four classrooms with additional practical teaching areas for each room and an additional suite for the local Cylch Meithryn, as well as practical rooms for art and food science and a large library and IT room. A new access to the school was provided through widening of the road into Llanegryn.

Throughout the project regular monitoring was conducted of site activities in order to reduce the impact on the environment. The water consumption, fuel consumption and electricity usage were all monitored and logged on a weekly basis. As in all our projects, 75% of materials for Ysgol Bro Dysynni, were sourced from within a 30 mile radius, ensuring the delivery of materials to site is kept to a minimum, reducing the carbon emissions of deliveries and retaining the project spend within the surrounding community. Noise is also monitored on a daily basis to ensure that loud activities are kept to a minimum in order to avoid impact on the surrounding envionrment and local community.

The school is constructed to BREEAM Excellent standards with Key Environmental Featuresto include photovoltaic panels, BIOMASS heating systems, solar hot water, low water demand sanitary installations, rainwater harvesting and sedum green roofing system.

Community Information

LABC 2014 County Winner: Best Educational Building and LABC 2014 North Wales Winner: Best Educational Building

pdf docNewsletter - May 2013 - English
Clychlythyr - Mai 2013 - Cymraeg

pdf docNewsletter - March 2013 - English
Clychlythyr - Mawrth 2013 - Cymraeg

pdf docNewsletter - January 2013 - English
pdf docClychlythyr - Ionawr 2013 - Cymraeg

pdf docNewsletter - October 2012 - English
pdf docClychlythyr - Hydref 2012 - Cymraeg

Work started on site in August 2012

Building Information

Building Footprint 1,258m²
Gross Internal Floor Area 1,119m²
Total Site Area 30,600m²

Estimated Costs

Basic Cost - £3,500.00/m²
Building - £1,500.00/m²
Service Costs - £650.00/m²
External Works - £1,100.00/m²
Drainage and External Services - £250.00/m²

Building in Use

Function areas and their size 543.5m²
Area of storage 50m² internal; 16m² external
Area of circulation 159.2m²
% area of grounds to be used by the community - 12.75%
% area of buildings to be used by the community - 25.99%

Predicted Electricity Consumption: 37.47 kWh/m²
Predicted Fossil Fuel Consumption: 65 kWh/m² (this value offset by utilising renewable biomass heat generating equipment)
Predicted Renewable Energy Generation: 12.2 kWh/m²
Predicted Water Use: 3.55m³/person/year
% predicted water use to be provided by rainwater harvesting 39%

Site Impacts

Target CO2 Emissions for Site Activities - Kg

Actual v Target CO2 Emissions for Site Activities - Diesel

Actual v Target CO2 Emissions for Site Activities - Electricity

Target Water Consumption for Site Activities -

Actual v Target Water Consumption for Site Activities

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