Case Study: Energy Strategy for 44A Holland Park Basement Extension

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Syntegra Consulting Ltd has been appointed as energy consultants to produce an energy strategy for the scheme at 44a Holland Park, London, W11 3RP– to support the scheme design process, demonstrate Building regulations Part L1B compliance, along with intent to deliver a minimum BREEAM ‘domestic’ refurbishment –‘very good’ rated dwelling. The existing dwelling is a two storey detached house. The proposed development is to extend the existing basement floor to garden by approximate 72% of garden area.

Syntegra Consulting will provide their expert and professional advice and compile an energy strategy report on the project. The report will consist of justification calculations and overview detailing what LZC and renewable have been reviewed for the both scheme(s) and how the RBKC LA energy and Sustainability UDP Planning conditions will be met in terms of renewable/LZC and building services design.

The report will also cover detailed information on the following sections:

  • 1No.  x BREEAM domestic refurbishment pre-assessment
  • U-Value consultancy and top-level M&E/renewable design advice will be included.
  • Sustainability and Energy Statement demonstrating that the applications include the consideration of all renewable energy technology / energy efficient measures, details what is proposed and, where these are not proposed and where these are not proposed, why these have been discounted as inappropriate / unfeasible.
  • SAP assessment compliance checks based on proposed scheme U-values and other services based design recommendations/assumptions. A series of SAP assessments will need to be run to assist in the evaluation overview justifying building regs compliance.
  • Indicative CAPEX, ROI and payback periods will be stated within the report and any potential income streams via the FIT & RHI will be identified.

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Frequently Asked Questions

1 What specific engineering and environmental services does Syntegra Group provide for basement extension projects?

For basement extensions, Syntegra Group offers comprehensive services including M&E engineering design, daylight and sunlight assessments, acoustic plant and noise impact assessments, and flood risk assessments. They also provide sustainability assessments like BREEAM and various building control testing services to ensure compliance and performance.

2 How does Syntegra Group integrate various environmental and engineering assessments for large-scale developments?

Syntegra Group provides a holistic approach by offering a wide range of integrated services. These include Environmental Impact Assessments (EIA), comprehensive sustainability assessments (e.g., BREEAM, LEED), M&E engineering design, and specialized consulting in areas like air quality, ecology, and transport planning. This allows for coordinated project delivery from a single source.

3 What sustainability and regulatory compliance services does Syntegra Group offer for new constructions or major refurbishments?

Syntegra Group offers extensive sustainability and compliance services, including BREEAM, LEED, Well Building, and Passivhaus design consultancy, as well as Whole Life Cycle Carbon and Net Zero Carbon assessments. They also provide regulatory certifications such as SAP & SBEM Part L calculations, Energy Performance Certificates (EPC), and TM44 Air Conditioning Inspections.

4 What building control testing services are available to ensure project compliance and performance?

To ensure project compliance and optimal building performance, Syntegra Group provides essential building control testing services. These include Acoustic Sound Insulation Testing, Air Tightness Testing, and Thermal Imaging Surveys. These tests help verify that constructions meet required standards and operate efficiently.