A large proportion of the housing stock in Lawrence Weston dates from the mid-twentieth century, built as council semis and low-rise blocks close to green space and the motorway network. Over the years many of these properties have gained rear extensions, side additions or converted outbuildings, and by the time a roof reaches the end of its life, the original structure and the extension are often functioning as one continuous roofline, at least from the street, even though underneath they may be quite different in construction.
Re-roofing a property with a previous extension is rarely as simple as replacing a single uniform surface. There may be more than one roof pitch to consider, a change in construction date and quality between the original house and the addition, and junctions where the two meet that were built to whatever standard was common at the time, which was not always a particularly high one. A survey before any work starts should look at the whole roof as a system rather than assuming the extension will behave the same way as the main structure or share the same remaining lifespan.
Materials are another factor. An extension built decades after the original house may already be finished in a different tile profile or colour, or in a completely different material such as a flat roof covering laid over a single-storey addition. Deciding whether to replace everything in a single matching material, or to treat each part appropriately for its age and pitch, is a conversation worth having early rather than after scaffolding has gone up and decisions become harder to change.
Access can also differ between the original roof and an extension, particularly where a single-storey addition sits lower and closer to boundaries or neighbouring gardens. This affects how scaffolding is planned, how materials are moved onto the roof, and how long different parts of the job take, which is worth understanding before agreeing a timescale for the work with any contractor.
Structural condition should not be overlooked either. Extensions built with less generous timber sections, or altered later to accommodate loft storage or additional insulation, can sometimes need more attention during a re-roof than the main structure, and this is best identified during the initial survey rather than discovered once the old covering has already been stripped away. This is particularly relevant where a garage or outbuilding roof has been converted into habitable space, since the original structure may not have been designed with that later use in mind.
Brunel Roofing Bristol has experience surveying and re-roofing exactly this kind of extended property across Lawrence Weston, and can put together a specification that treats the whole roof properly rather than as an afterthought. Contact us for a survey and a detailed quote for your home.
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