Halo, Long Road

Halo, Long Road


Windows help Crest Nicholson achieve Level 4 in Code for Sustainable Homes

Halo at Long Road, Cambridge is a development by Crest Nicholson (Eastern) Ltd. The architects for this 274 home development were CHBC Architects. The development is within easy reach of Cambridge City Centre, the M11 motorway, Addenbrookes, and the Biomedical Campus.

Rationel provided its high performance timber windows from the AuraPlus range which have triple glazed units, giving them a very low, whole window U value of 0.79W/m2K and acoustic performance of 34-42dB Rw.

Panel doors, entrance doors and window doors to balconies and patios were also supplied.


Open plan living means large areas of glazing make a major contribution to the quality of life indoors – and their stylish Danish designed windows and glazed doors enhances this contemporary design.  The properties were designed with higher than normal internal ceilings at 2.5m.

Simon Watt, senior technical manager for Crest Nicholson said: “In order to achieve Code for Sustainable Homes Level 4 on this development, we predominately followed a Fabric First specification. We were in part able to achieve this by using Rationel’s AuraPlus range of Scandinavian timber windows. Rationel’s AuraPlus windows achieve a brilliant whole window U value of 0.79W/m2K which adequately achieved the energy efficiency figures we required to achieve our SAP and Code for sustainable homes level 4 requirements.”

“Because this was not a standard specification of window (which we tend to use), Rationel were extremely diligent during the specification and order confirmation process - going through the specification and measurements of each window individually. This was to ensure no mistakes were made during the manufacturing ad delivery process.”


The windows come with a 5 year guarantee, and because the high quality sustainable timber frames are aluminium clad on the outside, they are easy to repair if for example they are scratched or damaged.  

Simon continues: “We believe that the Rationel product really was the best out there for our needs, and the team were a delight to deal with, making our job much easier.”

On a visit to Rationel’s manufacturing  plant in Poland, known as ‘Window Village’, the team from Crest Nicholson were able to see first hand the whole process of how the windows and door products were ordered, manufactured and delivered.  The process made a good impression and helped the client understand how Rationel could deliver the required volumes and quality needed on the Halo development.

This development has balconies and sliding doors, and the Rationel products were required to achieve the Secured by Design Police Safety Initiative.  

Overall, the development consists of 3, 4 & 5 bed houses and 1, & 2 bed apartments.   Prices range from over £300,000 to over £1.4m.

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