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Posted

Following on from our Architectural woes (we had to part ways with our original Architect). I instructed an Architect to handle the re-detailing of our roof as the Zinc scheme that was installed 2 years ago has to be ripped off.

 

The assignment was a fixed scope, to provide replacement details to cover all areas of the Zinc roof but with Sika SGK membrane, I had obtained a spec from Sika which was in hand. I was very open and candid about the as-built structure and the pain points. I provided lots of photos, plans and a detailed narrative all in advance of the quote.  I explicitly told him that I needed decisive details, as I don't have the headspace to do this myself. The Architect quoted, I agreed and paid 50% up front as requested. The suggested timeframe was 4-6 weeks.

 

It quickly emerged that the Architect was not confident. He flitted between solutions and relied upon me far too much to back him up. 5-6 months later, we still did not have a workable set of details that were efficiently buildable and conformed with Sikas standard details. After much patience, I called a halt and raised a dispute. After some backwards and forwards emails, the Architect has agreed to waive the remaining 50% fee, but insists that the 50% up front is payment for time spent.

 

This is an example of the details produced...

 

 

DefectiveDetail.jpg.f642aad2fdf16d710eae1982e5dc6b61.jpg

 

There is far more timber in here than the alternative detailing and much of that is not practical in my view. Besides, the Aluminium edge drip trim arrangement doesn't conform to Sika's detailing and for their own trim that is the only one they allow.

 

This is the alternative that I now have in hand (not quite finished but you get the idea). Far simpler and compliant with the manufacturers requirements....

 

DavidsDetailing.jpg.12162e5db2a1742062f44b0b626d374b.jpg

 


As I understand it, payment for time spent is not a thing with fixed-scope/fixed-fee work? Nothing about payment for time spent was discussed in a email "contract". I have nothing usable from his detailing and have since found a good Architect who has already pretty much re-detailed it proving it can be done. I'm not prepared to let the £2400 I've paid this guy just slip away.

 

I'd appreciate any advice on this.

Posted

The fixed scope and the background of that scope being defined in the context of costly issues with your previous roof may well weigh in your favour in any action, but there'll still be risk in any court action.

 

Have you checked whether you have legal cover in your home insurance or self build insurance? If so, they may offer advice.

Posted

 

 

image.thumb.png.61943a8196ba96fb9e370794224c7d53.png

On 20/05/2026 at 11:43, Mulberry View said:

It quickly emerged that the Architect was not confident. He flitted between solutions and relied upon me far too much to back him up. 5-6 months later, we still did not have a workable set of details that were efficiently buildable and conformed with Sikas standard details. After much patience, I called a halt and raised a dispute. After some backwards and forwards emails, the Architect has agreed to waive the remaining 50% fee, but insists that the 50% up front is payment for time spent.

Ok. A few points. You'll see lots of stuff on BH that looks easy until you try and meet all your requirements. Below is a bespoke detail of mine, your detail is more simple on the face of it and I can see you are asking why there is so much timber. I have posted this to let folk see how hard and how much thought and experience you need to have to navigate your way round this and then produce something that is buildable. The screen shot is just that, the drawings are more defined and the colour easier to understand.  The key points for you are that I'm using the top sheet and bottom of OSB to cantilever out to support the roof edge. I can prove this works as an SE. But you have to cut your Architect a bit of slack as they can't really be expected to know that you can cantilever OSB for example. 

 

On 20/05/2026 at 11:43, Mulberry View said:

5-6 months later,

I do this stuff a lot and work with informed Clients such as youself. Often we disagree at the outset, then we work our way towards a solution. Disagreement is healthy if managed. 

 

You have had a hard time with your roof, I've seen a lot of your posts and know it's not been fun for you. But the Architect in the round should have been more proactive, lifted the phone.. and you could have talked through the detailing and design difficulties. A site visit would have helped? 

 

As an aside it astounds me how many folk under the age of say 40 are so poor at communicating, this is prevalent in the SE and Architect profession. 

 

Anyway. @Mulberry View keep your head up. At the end of the day you are a domestic Client. If your Architect has not kept you informed and excercised reasonable skill and care then you have a good case not to make any payment to them. I do a lot of bespoke design. That means that lot's of stuff I do I've not done before. I use first principle design, that applies to SE stuff and also Architectural detailing. 

 

Now it looks you are going to have to have another go at this? I would try and see if you can mend the bridges with your Architect. If that fails then at least you can show you have made every attempt to resovle the issues you have. 

 

This is the thing I love about BH is that folk are innovating and I love chipping in to make it work technically at sensible cost. I hope someone can get something out of my detail that they can use / adapt. 

 

 

image.thumb.png.61943a8196ba96fb9e370794224c7d53.png

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