Technical Memo
Get answers about the ground early to know where you stand on your land
An independent, specialist response – fast
To move forward, you need confidence. Our Technical Memo Service provides a technical opinion from our Chartered Geotechnical or Geo-environmental Engineers. You’ll receive clear answers to your scheme’s ground-related questions, whether you’re seeking an opinion on geohazard requirements, confirmation that your site investigation evidence or conclusions are sufficient, or reassurance that your proposed foundation or ground mitigation approach is acceptable. We deliver an opinion quickly, usually within four weeks.
Why choose our Technical Memo service?
Avoid costly changes
A better land understanding reduces the chance of unsuitable work – especially with a Technical Memo early in the design process.
Get it in writing
We provide a clear response confirming our technical position on your query in relation to NHBC Standards Part 4.
Broad specialism and scope
We cover subjects like dissolution, coal mining risks, engineered fill, foundations, gas protection measures and more.
Move forward quickly
Our typical response times are within four weeks, so you get our insightful, experience-based opinions quickly and without delay.
How it works
Speak to us at any stage before site registration, ideally early in the design process about your technical query.
A qualified Geotechnical or Geo-Environmental Engineer will then answer your questions and pre-check your proposals so you can progress with a clearer perspective on your land.
You'll receive:
A Technical Memo from NHBC is a written, clear response that confirms our position and technical opinion.
Ideal for residential land developers and house builders working on schemes with complex ground conditions, where opinion may be divided or choosing the wrong solution could be costly.
Our Land Quality Services
Land Quality
Our geotechnical and geo-environmental specialists de-risk land acquisition and certify the site is suitable for residential development.
Land Risk Screening Tool
The Land Risk Screening Tool reviews the information provided alongside publicly available datasets and NHBC's own land quality intelligence to assess the likelihood of non-standard ground hazards.
Land Quality insights
Explore expert insights from our Land Quality Service team, covering ground conditions, site risks and practical ways to help de-risk land before development.
Start your project with confidence
Speak to our specialists early to reduce risk, avoid delays and unlock the full potential of your land.