TRUSTED BY
500+
London Homeowners
SUCCESS RATE
92%
First-Time Approvals
EXPERIENCE
15+
Years in London
AVG. RESPONSE
24hrs
Consultation
Planning Services in London
From initial consultation to submission, we handle your entire planning application with expertise in all 33 London boroughs.
Single Storey Extension
Perfect for kitchen extensions, living spaces, and adding ground floor space to your London home.
- ✓ Site survey & measurements
- ✓ Architectural drawings
- ✓ Planning application submission
- ✓ Council liaison
Loft Conversion
Add valuable bedroom space. We handle dormer, hip-to-gable, and mansard conversions across London.
- ✓ Structural calculations
- ✓ Detailed floor plans
- ✓ Elevation drawings
- ✓ Building regulations support
Two Storey Extension
Maximize your property’s potential with double-storey additions. Popular in outer London boroughs.
- ✓ Full architectural design
- ✓ 3D visualizations
- ✓ Neighbour consultation advice
- ✓ Planning appeal support
Basement Conversion
Popular in Central London. Create additional living space, home cinema, or gym facilities.
- ✓ Feasibility study
- ✓ Party wall agreements
- ✓ Structural engineer liaison
- ✓ Complex planning applications
Change of Use
Converting commercial to residential or HMO? We handle all London planning classifications.
- ✓ Use class analysis
- ✓ Planning statements
- ✓ Fire safety drawings
- ✓ Local authority negotiations
Permitted Development
Lawful Development Certificate applications. Build without full planning permission where eligible.
- ✓ PD eligibility check
- ✓ Certificate application
- ✓ Technical drawings
- ✓ Fast-track processing
Not Sure What You Need?
Book a 30-minute consultation and we’ll assess your project requirements.
Book ConsultationHow We Work
Our streamlined 5-step process makes planning permission straightforward and stress-free.
Consultation
We discuss your project goals, budget, and timeline. Site visit scheduled if needed. No obligation quote provided within 24 hours.
Site Survey & Measurements
Professional site survey conducted. All existing dimensions recorded. Photos and site notes compiled for accurate drawings.
Design & Drawings
Architectural drawings created to planning standards. Floor plans, elevations, and site location plans. 3D visualizations available on request.
Planning Application
Complete application submitted to your local council. All supporting documents included. Planning portal management and council liaison handled.
Approval & Support
Regular updates throughout 8-week determination period. We respond to council queries. Planning permission secured and delivered to you.
Serving London Boroughs
Expert knowledge of local planning policies across London borough. We know what works in your area.
Westminster
Southwark
Lambeth
Wandsworth
Hammersmith
Kensington
Greenwich
Lewisham
+ All other London boroughs including Barnet, Bromley, Ealing, Enfield, Haringey, Brent, Croydon, and more
What Our Clients Say
Real reviews from London homeowners who trusted us with their planning applications.
“Ash Hill made our loft conversion planning so straightforward. They handled everything with Camden Council and we got approval in 7 weeks. Highly recommend!”
Sarah M.
Loft Conversion, Camden
“Professional service from start to finish. The drawings were excellent quality and the team knew exactly what Wandsworth Council needed. Worth every penny.”
James T.
Single Storey Extension, Wandsworth
“We were worried about planning permission but Ash Hill explained everything clearly. They got our side extension approved on the first try with Ealing Council.”
Priya & David K.
Side Extension, Ealing
★★★★★ 4.9/5 from 200+ Google Reviews
Why Choose Ash Hill?
✓ London Planning Experts
15+ years working exclusively with London councils. We understand local policies, conservation areas, and Article 4 directions.
✓ Fast Turnaround
Most drawings completed within 7-10 working days. Planning applications submitted within 2 weeks of survey.
✓ Transparent Pricing
Fixed fees quoted upfront. No hidden charges. All council fees clearly explained before submission.
✓ Full Support
We handle all council correspondence, respond to objections, and provide resubmission support if needed.
Get Your Quote Today
Book a consultation and receive a no-obligation quote within 24 hours. We’ll assess your project and explain exactly what’s needed.
📞 Call Us
+44 (0)7905 884 453
Mon-Fri: 9am-6pm, Sat: 10am-2pm
📍 Office Location
Central London
Covering London boroughs