Architectural Projects, Tailored Designs, Bathgate
John Allan Architectural Design, Bathgate, has 20 years of industry expertise. Domestic and commercial architectural projects. 3D virtual tours available.
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Exploring Completed Projects And Proven Design Outcomes
Our portfolio highlights a wide variety of completed work, including home extensions, internal alterations, commercial fit-outs, and full new builds. Each project begins with measured surveys, concept designs, and detailed planning before moving into approvals and delivery. The case studies show how challenges were addressed through creative yet practical solutions. With mini galleries, process notes, and outcome insights, you can see how design concepts were transformed into functional spaces that meet individual client requirements. This collection reflects both the diversity of services offered, and the quality achieved from concept through to completion.
Our Projects
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This unique extension, combining both double and single‑storey elements alongside a double garage conversion in Tullibody, greatly increased the available floor space for the client.
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As a result, they were able to remain in the area they valued and had already built strong connections in.
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This 50 sqm extension, combined with the recladding of the existing structure and internal modifications, is shaping up to be a distinctive project.
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The mix of timber and zinc cladding delivers a bold contrast at the rear while maintaining a seamless appearance at the front.
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From the street, it presents a modest profile, but inside opens to a double‑height ceiling and fully glazed gable, framing stunning views of the surrounding countryside.
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A structural opening of around 9m will span the rear of this property.
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The supporting beam has been raised to sit flush with the ceiling, creating a seamless flow from the existing house into the extension with no visible downstand.
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Careful detailing is what sets this project apart.
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With 6.6m sliding doors and a 6.6m lantern, the space will be transformed for everyday use.
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Permissions and warrants are already secured, and the build is scheduled for next year.
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From first idea to final build, every stage was carefully managed.
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The design began with a 45‑degree angle to protect neighbouring light.
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That principle was extended vertically and horizontally, resulting in a truly distinctive form.
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The roof posed a challenge with its complex mix of angles and pitches, combined with a vaulted structure that added further intricacy.
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Visualising how it would come together took some work, but the end result has exceeded expectations in every way.
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The client's home in Glenrothes sits on a steeply sloping site and includes a conservatory that couldn't be used year‑round.
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In addition, a nearby box room needed to be enlarged to meet their needs.
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By converting and extending the conservatory, the main floor area was significantly increased, while the basement level was extended to create a dedicated games room.
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This kept the new living space uncluttered, with a glazed balcony overlooking the garden providing the finishing touch.
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This generous lean‑to extension in Reddingmuirhead, combined with a wide structural opening, has created a bright and spacious open‑plan kitchen-diner.
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A compact utility room was included to add functionality, while large bi‑fold doors and roof windows bring an abundance of natural light into the space.
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Bigger isn't always the answer—making smart use of smaller areas can completely change how a home functions.
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In this case, an external storage space was converted, with the addition of a large internal cupboard, to create a well‑sized downstairs bathroom.
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The client's goal was to transform three separate rooms into a single, spacious kitchen‑dining area by removing two internal walls, and we were glad to make it happen.
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The existing windows were reduced to floor level and fitted with bi‑fold doors, allowing natural light to pour in and creating a seamless link to the garden.
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The end result is a striking, open space full of light and character.
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This project is the first of two extensions planned for the property.
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The flat‑roofed kitchen addition, complete with a lantern roof light, has created a bright kitchen‑dining space filled with natural light.
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A discreet utility room is also incorporated for added practicality.
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Once the second extension is completed, the ground‑floor living space will have almost doubled, with the plans including a new master bedroom and en suite.
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Sometimes, removing a single wall and making better use of underused rooms can completely transform a property.
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What was once a small kitchen and dining room has now become the true centre of the home.
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This substantial custom extension has transformed the property by creating a spacious open‑plan kitchen, dining, and family area.
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A partial garage conversion was also carried out to provide a downstairs WC and utility room.
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Extensive glazing brings in an abundance of natural light, resulting in a space that feels exceptional and uplifting.
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It has undoubtedly become the true heart of the home, offering the ideal setting for family life and entertaining.
John is quick and applies for all permissions quickly, he is very thorough, and everything is handled professionally. He keeps in contact with your builder, also I would recommend him all day long 5 stars
