Active Architecture — builders in London
Active Architecture is a London architectural design and planning services firm with over 20 years of experience. It helps homeowners and property developers with architectural drawings, planning permissions, house extensions, alterations and conversions, across commercial and residential projects in London and the surrounding area.
What Active Architecture does — and what it typically costs in London
Every job below can be priced from this page. The ranges are what London homes typically pay, from Locufy's price guides. Active Architecture confirms the exact figure in a written quote — asking is free, with no obligation.
Building & extensions
Kitchens, bathrooms & interiors
Roofs, walls & windows
Typical prices from Locufy's UK 2026 price guides — each guide explains what the job involves and what moves the price. Rendering and insulation installer are also offered, priced on survey.
About Active Architecture
Active Architecture is a London architectural design and planning services firm with over 20 years of experience. It helps homeowners and property developers with architectural drawings, planning permissions, house extensions, alterations and conversions, across commercial and residential projects in London and the surrounding area.
You can ask for a written price on any building job from this page — an extension, a kitchen refit, a roof that leaks — and compare it with other London builders if you want to.
At a glance
- Trade
- Building and construction
- Based
- North Harrow
- Covers
- London and 15 km around
- Hours
- Mon–Fri 9:00–18:00, Sat 9:00–13:00
- Quotes
- Written, free, no obligation
A written price, with no obligation
Describe the job
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Active Architecture prices it
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How Active Architecture is rated
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Have a question before you book?
Do they handle planning? Are they on the voluntary construction register? Your message goes directly to Active Architecture by email.
London and the towns around it
Based in London, Active Architecture works across the city and about 15 km around it.
- London
- Harrow
- Watford
- Hayes
- Wembley
- Southall
- Uxbridge
- Hounslow
- Finchley
- Cricklewood
Before you book
What services does Active Architecture offer?
Active Architecture offers architectural drawings and planning permission services for commercial and residential property. This covers house extensions, alterations, conversions, prior approvals, change of use, and feasibility and viability studies.
Do you work with homeowners?
Yes, the firm has worked with over 500 homeowners on house extensions and alterations to make homes more functional, comfortable and attractive.
Do you work with property developers?
Yes, the firm has worked with over 150 property developers on conversions and feasibility studies aimed at developer needs, including work to lower maintenance costs through environmentally friendly alterations.
How long has Active Architecture been operating?
Active Architecture has over 20 years of industry experience.
Which areas does your planning knowledge cover?
The firm is well versed in planning legislation for London and the surrounding area.
How successful are your planning applications?
The firm reports a high success rate of application approvals.
Does your work comply with UK regulations?
Yes, all work is compliant with UK regulations.
Have you worked on office or hotel projects?
Yes, the featured portfolio includes office buildings and residential new builds internationally, as well as hotel planning.
Get a written price from Active Architecture
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