Contact information
Business Description

Established in 2008, dza has undertaken a wide variety of projects across the south of England, encompassing work of varying scope, from feasibility and outline planning applications to full detail design of commercial developments. We strive to promote green energy efficient design and construction while providing clients with designs that meet or exceed expectation or aspirations.

We have been involved with several low energy new build and refurbishment/ extension projects, one of which won an LABC Building Excellence Award in 2018.

We are here to help and to guide you, to work with you to achieve your aims.

We look forward to hearing from you.

Business sector
27 Trenchard Street

City of Bristol
United Kingdom
Woodland Grove, Bath

scope: Concept, planning submission and approval, building regulations a, energy assessment with Peter Warm.Liaison with Sauer (Germany) for timber frame detail and construction

aims: A bungalow occupied the existing site.Planning approval on the site had been turned down twice. dza were appointed to come up with a concept that met planning constraints while achieving a 4 bedroom house on the site in a conservation area

measures: Low u value walls, floors and roof.Green roofSolar Thermal panelsAir source heat pumpMVHRUnderfloor heatingTimber frame for walls and roof all with woodfibre insulation.Highly insulated concrete slab and edge beamsTriple glazingLED lighting throughout

monitoring: air tightness measured at 0.6.Performance as yet un monitored as the house is yet to be sold.Projected electrical use of 0.5 amps.SAP rating of AA for energy and AA for CO2 emissions