Listed buildings cost significantly more to rebuild following an insured loss than unlisted buildings. Naturally the question on everyone’s lips is …“We know they cost more to rebuild; but how much more? What percentage should I add to the sum insured?” We would love to give you a simple answer; but unfortunately it all depends…
The first factor to understand is where does the starting figure come from? If you have taken building rates from the internet that are intended for a small modern home of a brick-block construction and our subject house is a stone cottage, in a conservation area, approached via a narrow bridge across a stream, the price per metre could be at least twice as high i.e. £1,500/m² for the modern home and £3,000/m² for the stone cottage.
So let us consider the key factors which all increase the rebuilding cost of a Listed building.
1. Professional Fees. For a Listed building one may need or want to employ a team of professionals (architects, surveyors, mechanical and electrical engineers, planning consultants etc.) who have specific experience, qualifications and/or a proven track record of working on such buildings.
Although fees are not fixed, you are likely to find that professionals with such specialisms charge more for their services than the average because of their expertise and because more time is involved to get the job done. You may also find that the correct person is not locally based and that additional travel and accommodation expenses will be charged. Very sought after teams may be busy at the time of a loss and having to wait for them may also increase costs.
2. Time delays – of various types! Work on Listed buildings tends to take longer than on a conventional building. For example, partition walls in modern buildings are often formed with plasterboard sheets nailed to timber studwork, whereas in Listed buildings timber laths and lime plaster might be used which takes much longer to construct and will involve more expensive specialist trades.
And this leads us onto the next point…
It is not uncommon for a Listed building to sit for at least a year following a major loss before reinstatement work can commence. Time delays cost money as there are still various professionals working in the background and prices tend to increase with inflation.
Time delays can also be caused by the site becoming of archaeological interest whereby the authorities insist on carrying out research etc. The cost of this is borne by the insurer. For expected delays and increased working time on site, one could reasonably expect the overall value to increase by 5-12% depending on the specific property and grading.
3. Conservation Approval. All work to a seriously damaged Listed building will need approval from the Local Authority who may also call in English Heritage. The homeowner is therefore at the mercy of these bodies, who are keen to see that no traditional forms of construction are lost, when the damaged building is rebuilt. Although some modern materials may be accepted, the cost of rebuilding will increase greatly if they insist on retaining the original form of construction. There is no way of knowing in advance what the authorities will specify. For example, for a stone quarry to have to be re-opened to provide similar stone to that which was originally quarried and used many years ago. It is important to take into account the specific materials used on a site. For example, if constructed from ashlar stone this could increase the cost of the building by over 50% compared to rebuilding in good quality brickwork.
4. Complexity. Many stately homes as well as small cottages have high sums added for garden walls and driveways, both of which should be included in the valuation upon which the premium will be calculated.
There are coach houses and other outbuildings which can add considerably to the sum insured as all of these buildings will be within the curtilage of the main house and therefore come within the Listing, even though they may not be separately described.
To sum up
It is not simply the Listed status which increases the sum insured. It is the type of materials and labour required to reinstate an historic building, the additional fees that will be incurred, specific location factors and timing; all of which increase the valuation for insurance purposes.
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