Expertise
Design intelligence, held in-house.
Architecture, interiors and chartered surveying sit under one roof, so advice on condition, cost and design comes from the same team that draws the detail.
Architecture
Architecture is the principal discipline of the practice, and our teams work successfully across many sectors from our studios in Durham.
- RIBA work stages 0–8
- Brief writing and client design advice
- Full design service
- Technical information for building regulations and tender
- Contract administration and contractor liaison
- As-built audits and measured surveys

Interior Design
The HL Interior Design team works across hospitality, leisure, commercial, education, healthcare and residential projects.
- Detailed drawing packages
- Sourcing and procurement of FF&E
- Specification of appropriate materials
- Space planning
- Interior architecture
- 3D visualisation

Building Surveying
All buildings require survey, refurbishment, alteration and maintenance during their life. Our building surveyors are trained in the structured and methodical inspection of buildings and the built environment.
- Full building condition surveys
- Planned maintenance programmes
- Dilapidations and schedules of condition
- Party wall matters
- Defect diagnosis
- Refurbishment and repair specification

Design Project Management
Our project managers and Principal Designers co-ordinate the design and delivery of complex projects for public and private sector clients.
- Project management
- Principal Designer (CDM 2015)
- Client design advisor
- Programme and risk management
- Cost and value control
- Stakeholder consultation

Heritage & Conservation
From our studios in the heart of historic Durham, the practice has worked over many years on listed buildings of local, regional and national importance, and is accredited by the RIBA to do so.
- Conservation management plans
- Heritage statements
- Historic and archive research
- Heritage grant applications
- Quinquennial surveys
- Listed building consent

Sustainability
The practice works to sustainability targets on every commission, seeking to produce buildings that actively reduce carbon use.
- Whole-life costing
- Fabric-first and passive design
- Retrofit and adaptive reuse
- Low-carbon servicing strategies
- Post-occupancy review
- Sustainability reporting

