Hi, Can anyone tell me what type of steel framed system was used by Crest Development back in 1967, in (Location provided to admin) GU* Surrrey?
Thank you.

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Hello Colin
Having undertaken some research into the properties shown on the street it would appear to be a variant of the Trusteel 3m type steel framed house of which 17000 were built in the UK.

Substructure: Concrete raft foundation thickened below
stanchions and loadbearing walls [1]. DPC.
Frame: 13 double cold RSC forming I-section stanchions
[2], 6 cold RSC perimeter beams with timber top and
bottom battens [3], 7 double cold RSC floor joists [4],
2 cold RSC and 5 double cold RSC roof trusses, see
frame layout [A].
Protective coating: Red oxide paint
External walls: Brick, cavity, foil-backed plasterboard,
plain plasterboard [5].
Separating wall: 9″ brick lined with plasterboard.
Partitions: Honeycomb plasterboard.
Ground floor: Concrete.
First floor: T&G boarding on steel joists.
Ceilings: Plasterboard.
Roof: Bituminous felt, timber battens and interlocking
concrete tiles.
Concrete pads or piles with PRC perimeter beams.
Concrete strip footings and brick substructure.
Varying numbers and arrangement of stanchions and
roof trusses, see frame layouts [B] and [C].
Single storey stanchions with perimeter beams connecting
the tops of stanchions.
Double cold RSA forming T-section ceiling joists.
External walls of PC panels or timber frame panels, clad
with shiplap timber boarding or tile hanging.
Brick or block cavity separating wall.
No-fines concrete separating wall.
Suspended ground floor of T&G boarding on timber
Stramit board linings and partitions.
Glass-fibre insulation quilt in cavity and roof space.
Asphalt or felt, flat or monopitch roofs lined with
woodwool slabs.
Slate roof cover.

I hope this helps


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  • Admin

    Hi Colin It's not so much about being good or bad as the steel frame in the majority of Trusteel houses is usually found to be in excellent condition.

    The problem is that only a small number of mortgage providers are prepared to lend on system built houses (Steel framed, timber framed or concrete houses). The key is to choose a provider who is prepared to lend on a steel framed house. The two most popular lenders for this type of house are Santander and Halifax.

    Often buyers can be put off when they approach the wrong lender, pay a survey fee, have the survey completed and only after this are they told, "sorry we don't lend on steel framed properties". This means that the prospective buyer has to search for another lender and pay another survey fee which can often put them off altogether.

    In short, providing they approach the right lender to start with, all should be plain sailing. The lender may insist on an invasive survey so that the steel frame can be examined close to floor level and particularly at the corners of the house but this is standard practice and they should not be concerned if this is requested. Although an invasive survey may well require your permission as part of the inner or outer fabric of the house may need to be removed so that the steel is exposed for examination. If this is requested you need to ensure that anything removed will be returned to its original condition at the new buyers cost.

    A typical invasive survey can cost around £850 plus repair costs which can be carried out by a general builder.

    Not every mortgage application requires an invasive survey though but if one is requested you should first ask if the survey can used a borescope which is a tiny camera that can be inserted into the building cavity through a very small hole. This enables the surveyor to view your steel frame without the need to remove plasterboard or brickwork.

    I hope this answers your question.

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