Bromley Architects

Bromley Architects

Bromley Architects

A South London community with a village feel, Bromley has the best of both worlds when it comes to family living. The pace here is slower than many other Zone 3 communities, and yet the connection to London’s Victoria Station is faster than ever – 20 minutes, if you time it right. Nature parks, sporting fields and as much shopping as Oxford Street make it an attractive base – not to mention the quality of the housing stock. Residential plots are blessed with front and back gardens, off-street parking and mature trees.

Most residential building works across Bromley require permission from Bromley’s borough body. However there exists a great tradition of “don’t move, improve” in the area. Many owners of single-family homes are preserving their distinctive woodwork and window bays while installing new, striking elements that complement the original structure and improve daily life.

Bromley architects are prepared to pay careful attention to local regulations, period details and decades of wear and tear. At Scenario Architecture, we boast a successful relationship with planning departments in all parts of London. Throughout more than 10 years in the business, we’ve developed a reputation for transforming these types of homes with a skilled hand and compassionate eye. As a result, our boutique residential architecture practice has become one of the most respected in the city.

We launched Scenario in 2007 with a unique vision: to marry our passion for heritage architecture with our fresh approach to contemporary design and create striking living spaces. From the start, we put our clients’ wishes at the forefront. Our method of collaboration means every Scenario home is tailor made, highly functional and reflective of the owners – not the architects. Over a decade, we’ve developed a deeper understanding of the ways in which homeowners engage with their space. Our bespoke architecture is speaks directly to the individuals living in it.

In 2018 our landmark project Scenario House, was shortlisted for the prestigious RIBA London Awards. A remodelled Victorian family home in London, it demonstrates our commitment to period properties and the modern lifestyles of Londoners today. Homeowners seeking Bromley architects should look to Scenario House to see our fresh, customised approach to a typical London heritage home.

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Bromley Architects Your Bromley project

Starting your Bromley project

If you are taking on an architecture project in Bromley, Scenario can set you on the right path. We’ve drawn up an illustrated inventory of the planning process to help you prepare – whether you’re planning an extension, renovation or new-build.

With the exception of small conservatories, porches or gardens, building projects in Bromley must be approved by the local council. Our successful record securing planning permission on behalf of our clients will extend to your project.


Discover if your chosen architect has had success steering planning applications through your local council. Visit the Camden Council website, click on “Planning and Building Control”, go into the search engine for planning applications and type in your agent’s name.

Bromley Architects


We have created guides for homeowners to provide additional advice and help with your project. The following eBooks are currently available for you to download:

1. Planning in London and the home counties - A guide for homeowners
2. Self build - A guide to building your own new build home
Download eBooks

Bromley Architects Your Bromley project >> Scenario Architecture

Working with Scenario Architecture on your Bromley project

At Scenario Architecture, we tackle domestic projects of every scale and complexity, from interior alterations and refurbishments to full renovations and new-builds. Our boutique studio in London offers a bespoke architecture service and a team of experienced, highly skilled architects.

Scenario is a RIBA Chartered Practice. We comply with the strict health and safety criteria of the country’s professional body.

Our specialists collaborate closely with every client from the initial drawings, detail design and planning through tender and construction to completion – on time and on budget. If you are looking for Wimbledon architects, check out our portfolio of high-end residential projects across London.

We use innovative 3D design technology on all our projects. Our decade in the business has shown us that real-time visualisations and virtual reality are the most efficient tools for seeing a project through, choosing the right fixtures and fittings and simulating natural light. This Chartered Institute of Building case study – featuring a Scenario Architecture project – demonstrates the great benefits of this advanced technology for domestic architecture.

Bromley Architects

Contemporary renovation and extension in a conservation area, London

Bromley Architects

Full refurbishment of a family-home in West Hampstead, London

Bromley Architects

Basement extension and full renovation in Kensington and Chelsea, London

Bromley Architects Your Bromley project >> Further reading

Bromley appears at that very point where London yields to the countryside. Anglo Saxon for “a place where broom grows”, it’s been a desirable place to live for decades, both for its physical proximity to London and its aesthetic difference from it. The Thameslink and Southeastern Rail get you into London Victoria in just over 20 minutes, yet the streets are quiet and quaint, and you’re never far from green. The town market draws in shoppers every Thursday, Friday and Saturday. Once swallowed up by mid-century developments, the area around it has had a string of makeovers in recent years.

Residential communities started cropping up in Bromley more than a century ago, though much of the housing stock dates back to the postwar period – broad mock Tudors with bay windows and garages, built for large families. The Chislehurst area is probably the most aspirational – many century-old homes here have views to the village green or church. Bromley’s old town, also called Bromley North Village, teems with Victorian terraces The town centre is packed with conveniences, from Edwardian pubs to live performance theatres to a covered shopping mall with an Apple Store. Yet just outside the M25 motorway is a world of open spaces, hobby farms and medieval town centres with historic belfries and Norman lore.

Most home-reconfigurations in the Bromley area will be straightforward, and young families have begun a tradition of moving in and scooping out old interiors in favour of glass and steel extensions. Getting more for your money here than in London proper, you’ll have more change to spare to extend a kitchen or basement, add a modern conservatory or expand the upper floors. And with houses here already wider than their Central London counterparts, you’ll have an enviable amount of space to live in.

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Bromley Architects In our clients words


Bromley Architects

FAQWhat is unique about the Scenario design process?
The scenario design process was developed, tested and perfected through over a decade of extensive delivery of residential projects within and around London, some of its key features are listed below:   
  • Scenario based design – We start each and every project with a meticulous analysis of our client’s vision, requirements and aspirations. We do this by asking our clients to imagine their everyday scenarios living in the completed house and describe their desired interaction with it. 
We then translate the resulting high definition brief into an informative and revealing 3-dimensional simulation, illuminating aspirations, requirements and patterns of habitation. 
  • Uniquely interactive - Our client’s deep involvement in the process does not stop with completion of the brief. Our design meetings are highly interactive, informal and fun. 
Sitting together in front of a real time 3D model of the proposed design with realistic materials, lighting and textures we push and pull the proposed scheme together to explore its full potential and drag and drop different materials to explore various options. hen we invite our clients to take a virtual reality tour through advanced equipment that is always available in our practice for our clients to explore their projects at different stages of development. 
  • Designed to reflect you – Based purely on your lifestyle, aspirations and requirements and free from externally imposed concepts, metaphors and pre-conceptions, a completely fresh and unique design will gradually emerge and it will tell your story not ours. 
It will not look like an image cut out of a trendy architecture magazine and not designed to intentionally impress anyone. It will feel familiar, warm and inviting and you will recognise yourself in it because it will be a genuine expression of the unique way in which you and your family wish to interact with it and enjoy it for many years to come.

Bromley Architects

FAQWhat is the cost of building an extension?
Currently we recommend allowing between £2,500 and £3,000 per square metre for side extensions, rear extensions or front extensions. For basement extensions, which are most expensive way to add space to your home, we recommend that you allow between £3,000 and £3,500 per square metre. When it comes to roof extensions, our experience shows that it is better to allow a lump sum of £40,000-£60,000 for loft conversions with dormer windows and between £80,000 and £120,000 for mansard roof extensions. These ranges are based on averages from numerous actual projects that we have completed in and around London since we established Scenario in 2007. We only use these rough costs per square metre during the early stages of design to maintain awareness of your target budget until a cost professional is appointed and more accurate methods of estimation are employed. The actual cost for your project will depend on many factors, including the complexity of the design, level of structural support required, and selection of fixtures, fittings material finishes. Using these rough ranges as a guide we will work together with you in an interactive process to optimise budget and scope and find the balance that works best for you. The estimated costs per square metre mentioned above are for the build costs only and exclude VAT and professional fees.

Bromley Architects

FAQWhat is the fee structure used by Scenario Architecture?
The fee structure that we will offer will depend on the type and scale of your project as well as the scope required from us. The vast majority of the projects we take on are what we call ‘full projects’, these are projects for which we will provide full Architectural services from inception to completion, covering the standard scope of services offered by most RIBA Chartered Architects and more. For these full projects our fees will be calculated on the basis of an agreed percentage of the final cost of the building works exclusive of VAT and professional fees. At any given time, we will calculate our fees based on the latest construction cost estimates available until the final cost of the building works has been ascertained. Our fees will be adjusted both forward and retrospectively to reflect any increase in budget and scope of the project, and forward only (due to work already completed) to reflect any decrease in budget/scope. During early stages, our fees will be calculated based on our in-house estimation tool and once available, on estimates by the appointed Quantity Surveyor, followed by actual prices of returned tenders and finally, the contract sum reflecting any changes during construction. Under unusual circumstances we may agree to take on projects only up to a certain stage, for example up to planning, and sometimes from a certain stage if we are taking over from another Architect. For these ‘partial scope projects’ we will normally put forward a simple fixed lump sum proposal.

Bromley Architects

FAQWhat is Scenario’s approach to planning?
Planning in the U.K in general and in Greater London in particular is admittedly a tricky business. It is a complex maze of policies, standards and regulations that requires specialised and up to date knowledge and skills to navigate successfully.  Over the years we developed a strong approach and an effective methodology, allowing us to maintain an outstanding track record stretching over more than a decade. Successfully securing planning permission for our clients across Greater London and the Home Counties.  The key aspects of our approach to planning are listed below: 
  • Collaborative – We start the conversation with planners early and advise most of our clients to seek pre-planning advice prior to submission of a full planning application. Our experience shows that when properly consulted and liaised with, most planning case officers will be receptive to conduct a professional dialogue, increasing chances of successes. 
  • Strategic – We tailor a custom planning strategy for each project based on its circumstances such as planning history, local context and specific challenging elements. We sometimes split applications or introduce minor tweaks to the scheme during the consideration period in conversation with the officers to prevent one contentious element from jeopardising approval of the main scheme.
  • Professional – Our experience shows that the quality and clarity of the submission in terms of background research, planning history of the property and context, precedent and of course the arguments presented to support the case has a tremendous effect on success rate. 

Bromley Architects

FAQHow long will it take to obtain planning permission for my project?
The standard consideration period for a residential project is eight weeks, this is the official time frame for your local council to carry out consultation with the neighbours and reach a decision.  We recommend allowing for a minimum of ten weeks from submission to decision as in practice the process always takes slightly longer for the following reasons: 
  • The decision period clock only starts ticking once the application is validated by the Council, This requires then to check that the forms are completed correctly and that the submission contains all the necessary drawings, statements and reports.
Validation can take anything from a few days to couple of weeks when the council is very busy, which is most of the time…
  • Although required by law to provide a decision within the statutory eight weeks period, it is not uncommon for councils to miss the deadline of the consideration period, normally only by a few days, sometimes longer. 
While there are some effective measures to apply pressure, which we do not hesitate to use when appropriate, it is generally beneficial for the project to bear with the council a little longer. 
  • In some cases the council may ask us as your agent for an extension of time, this may be requested due to internal reasons or as an acceptable result of a professional discussion that we are conducting with them about certain aspects of the application that they are not sure about.

Bromley Architects

FAQWhat is the cost of an internal refurbishment?
Currently we recommend allowing between £2,500 and £3,000 per square metre for areas which will undergo an extensive renovation. We designate an area of the project as extensive renovation if the planned works includes substantial changes to layouts, significant structural works, re-plumbing, re-wiring and full redecoration. For areas of lighter internal renovation which do not require significant changes to layout or substantial structural works but do require full redecoration, re-plumbing and rewiring, we recommend allowing between £2,000 and £2,500 as an estimated cost per square metre, we designate these areas as requiring medium renovation. If there areas in your project which only call for a light renovation such as re-plastering, and painting, installing new floor finishes and light modifications of electrics and plumbing fittings, we will designate these as areas of light renovation and recommend that you allow £1,500-£2,000 per square metre or even as low as between £1,000-£1,500 if you only have light touches in mind. The real cost for your project will depend on several different variables including the complexity of the design, extent of structural works and level of fixtures, fittings and material finishes. These estimated costs per square metre are for the build cost excluding VAT and professional fees.

Bromley Architects

FAQWhat is Scenario’s approach to sustainability?
In the past, it was common practice for local authorities to impose sustainability standards on residential developments. However, the 2015 Deregulation Act removed the obligation on local authorities to require any standard at all, which means the only requirements having fallen back to those of the Building Regulations.  With no clear and improved targets to work towards, in collaboration with Envision (, we have created optional Sustainability ‘Levels’ to offer our clients the chance to drastically improve the sustainability credentials of their home. These ‘Levels’ encompassing Bronze, Silver, Gold and Diamond, traverse a clear and applicable route from basic compliance with current Building Regulations all the way to the full and rigorous HQM (Home Quality Mark) certification within Level Diamond. As the packages become more elaborate in terms of sustainability, analysis and implemented measures, they provide increasing tangible benefits. Ranging from thermal and acoustic comfort and wellbeing, to reduced carbon foot print, savings on running costs and significant advantages through the planning process.  The more elaborate packages obviously entail higher cost in terms of professional fees as well as impact on the construction cost, although each sustainability ‘Level’ will endeavour to not overly burden the construction budget.

Bromley Architects

FAQWhich additional consultants are required for my project?
A key aspect, absolutely necessary to ensure successful delivery of your project is appointing a suitable and competent professional team. If we work together on your project we would be appointed as your Architects and Lead Consultants and help you to assemble the rest of the professional team. Most projects in and around London will require at least four additional consultants, a Structural Engineer, a Quantity Surveyor for cost control, an Approved Inspector to ensure and certify compliance with building regulations and a Party Wall Surveyor if any work is to be done to a party wall or structure. For some projects, depending on scale, complexity and your specific aspirations it may be recommended/required to use the services of additional consultants. Including but not limited to: Planning, Heritage, Right of Light, Landscape Designer, Audio Visual and Building Services Engineer. When appropriate, we will discuss these options with you and obtain relevant quotes for all additional consultants for you to consider.