Architectural Services/ Planning Applications/ Drawings/ Extension/ Loft Design/ Structural Engineer

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Overview

Operates in Hounslow, London
Posting since 2012

Portfolio

Services

Planning Consultancy

Architectural Services

Engineering and Technical Design

Description

🏡 Need Planning Permission in London or England? We’re Here to Help!
Free Design and Planning Consultation with an almost 100% success rate in planning applications, our expert team delivers residential architectural and planning services across Greater London and throughout England. Whether you’re planning a loft conversion, a home extension, or a listed building renovation, we provide full-service support — from initial concept to approval.

✅ Our Planning & Design Services
We specialise in planning applications for:

> Loft Conversions
> Single & Double-Storey Extensions (Rear and Side)
> Garage Conversions
> Porch Extensions
> Outbuildings & Garden Rooms

Additional services include:

> Structural Calculations & Building Regulation Drawings
> Build Over Agreements & Drainage Design
> Party Wall Surveys & Reports

💡 Why Homeowners and Developers Choose Us
✅ FREE initial consultation with expert project guidance
✅ Hundreds of successful planning approvals across London
✅ Fully qualified architects, planners, and structural engineers in-house
✅ Deep expertise in UK planning policies and building compliance

📍 Local Planning Experts Across Greater London and England
We’ve helped secure planning permission in nearly every London borough, including:

Barking and Dagenham, Barnet, Bexley, Brent, Bromley, Camden, City of London, Croydon, Ealing, Enfield, Greenwich, Hackney, Hammersmith, Haringey, Harrow, Havering, Hillingdon, Hounslow, Islington, Kensington, Lambeth, Lewisham, Kingston upon Thames, Merton, Newham, Redbridge, Richmond upon Thames, Southwark, Sutton, Tower Hamlets, Waltham Forest, Wandsworth, Westminster, Wembley — and many more towns and counties throughout England.

📞 Ready to Start Your Project?
Get in touch today to book your affordable on-site consultation.
Our friendly team is ready to help you turn your plans into reality — from design to approval.

📣 Popular Hashtags
#PlanningPermission #LoftConversion #HomeExtension #GarageConversion #PartyWallSurveyor #BuildOverAgreement #BuildingRegulations #ArchitecturalServices #LondonArchitects #ResidentialArchitects #HomeImprovement #UKPlanning

Ad ID: 1446896470

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Reviews (31)

Please note: any reviews provided by our partner, Google are not managed or verified by Gumtree.

4.9out of 5

31 reviews

Rayhan Shakil

11 July 2026

Thanks to OAS, my planning permission was approved smoothly, and I couldn’t have asked for a better experience. I highly recommend OAS to anyone looking for a reliable, efficient, and friendly architectural service. Thank you for making everything so simple!

Asif Siraj

10 July 2026

Working with OAS completely changed my expectations of the planning permission process. I thought it would involve endless paperwork and uncertainty, but their team made everything feel clear, structured, and surprisingly stress-free. They kept me updated at every stage, answered every question with patience, and dealt with the technical details so I never felt overwhelmed. Their knowledge, organisation, and genuine commitment to getting the best outcome gave me real peace of mind. I would happily trust OAS with another project and recommend them to anyone looking for a reliable and professional planning team.

Nayeem Ahmed

10 July 2026

Choosing OAS was one of the best decisions I made for my home project. I was expecting the planning permission process to be complicated, but their team made everything feel simple and well organised. They were always quick to respond, explained every step clearly, and took care of all the paperwork with great attention to detail.

Fozol Rabbey

21 August 2024

I've had the pleasure of working with Seema, who created and executed some incredible ideas for our floor plan reconfiguration and kitchen addition. She is a productive and considerate person who has fulfilled her commitments to produce everything on schedule. Seema, I appreciate all of your support. Online Architecture Services is a very skilled and knowledgeable company.

Nazmul Adil

23 September 2023

The level of communication, consideration, and knowledge we received from Online Architectural Services really impressed us. The group was amiable, dependable, and competent. They collaborated closely with us, assisting us with the planning and design phases as well as the hiring of structural engineers, quantity surveyors, party wall surveyors, and quantity surveyors, and preparing us for what will hopefully be a successful build.