Eltham flat: Evaluating a prospective investment

Maelle, a young professional, was looking for a flat to buy with her mother. The flat had to be one where her mother could live, short-term, while Maelle continued to rent, but long-term would be a good investment for both of them.  Because of a potential future relocation to France, the flat had to work as a buy-to-let as well.  She used Preview Studio to help her understand the potential of a prospective purchase, and the costs of unlocking that potential.

The client

Preview Studio visualisation of a dormer loft conversion bedroom, with bespoke wardrobe, wooden floors, balcony and a circular rug.
Preview Studio visualisation of a loft conversion bedroom, with bespoke wardrobe, wooden floors, balcony, and triangular window.
Preview Studio visualisation of a dormer loft conversion bedroom, with bespoke wardrobe, wooden floors, balcony
Preview Studio CGI of a loft conversion bedroom, with bespoke wardrobe, wooden floors, balcony, and cream coloured interior design.

Preview Studio’s visualisations showing options for how a loft extension in Maelle’s prospective investment could appear

Eltham flat: Evaluating a prospective investment

Maelle, a young professional, was looking for a flat to buy with her mother. The flat had to be one where her mother could live, short-term, while Maelle continued to rent, but long-term would be a good investment for both of them.  Because of a potential future relocation to France, the flat had to work as a buy-to-let as well.  She used Preview Studio to help her understand the potential of a prospective purchase, and the costs of unlocking that potential.

The client

Preview Studio’s visualisations showing options for how a loft extension in Maelle’s prospective investment could appear

Existing plans of the 2-bedroom flat, made by Preview Studio from a video. The flat had an uninhabited loft space, used by the current owners for storage. Click on the images to see larger versions.

Maelle found a flat in south-east London at a good price, but she wasn't sure about whether it could be extended. She had several important questions:

  • Would she need planning permission?

  • She would be buying a leasehold, would that stop her building an extension? 

  • The property had an EPC rating of 'D', how would that effect her ability to let it out in future? 

Her questions

A Preview Studio pack gave her all the information she needed to make the right decision for her family. The sketch design showed how an extra bedroom with ensuite and balcony could be added as a loft conversion, and the rendered plans gave her and her mother a way of discussing the work even though her mother wasn't good at reading architectural drawings.

The Preview Studio pack

Rendered 3D plans of the flat with the proposed loft extension. The rendered 3D plans were an optional extra Maelle chose for maximum clarity during her discussions with her mum. The loft extension would be large enough to add a third bedroom with ensuite shower, and a small balcony overlooking the garden. Click on the images to see larger versions.

The planning advice section explained that she would need to apply for planning permission, as permitted development rights didn’t apply to blocks of flats.

Preview Studio obtained a copy of the lease, and explained that under the terms of the lease Maelle would have to contact the freeholder and get permission for the work, but that the freeholder was unlikely to refuse. 

Maelle also ordered energy efficiency advice because with an EPC rating of D, the flat would likely not be legal to let out after 2028. Preview Studio showed the minimum improvement the flat would need to work as a buy-to-let would be met just by building a the loft extension to current standards, whilst also offering options for better levels of improvement as well as the trade-offs needed to get there.

Pages for the Eltham Flat Preview Studio Pack with planning advice, leasehold advice, and energy efficiency advice

Extracts from the planning, leasehold and energy efficiency advice sections of the Preview Studio pack. The analysis showed that Maelle could very likely improve the flat to a ‘C’ EPC rating - and thereby making it suitable to let even after standards for landlords had been raised in future - by building the loft conversion and improving the roof insulation, plus adding cavity wall insulation.

A page from the Preview Studio Pack for the Eltham Flat, with the key numbers relating to the renovation, including area estimates, cost estimates, and value estimates.

The ‘numbers’ section of the Preview Studio pack showed that she would be increasing the size of the flat from around 80 sq m to just over 100 sq m. Depending on the level of specification Maelle chose for the new work, the rough cost was likely to be somewhere between £50k and £75k, and could add around £80k to the home’s value.

After weighing up the potential improvement in property value, along with the rough cost of the work, in the end Maelle and her mother decided not to go through with the purchase, and to look for smaller property which, once you factored in the cost of extending, better fit with their budget.

The numbers

Maelle ordered a Preview Studio pack, plus:

  • Rendered plans

  • Value estimate

  • Planning advice

  • Leasehold advice

  • Energy efficiency advice

Interested in evaluating the potential of a property before going through with the purchase? We can turn around a report in as little as 3 working days.

Ready to get your Preview Studio pack?

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Clerkenwell mixed-use: Investigating a unique property