Whether you’re a homeowner planning your next move or a landlord looking to maximise your investment.

We offer practical, design-led support to help you unlock your property’s full potential. Whether you’re planning an extension, conversion, or a complete redesign, we guide you from concept to completion, with clear communication, fixed-fee packages, and planning expertise built in.

A little bit about Ben and the Team.

Unlike many architectural companies, we see ourselves as a one-stop shop, supporting families and landlords through every stage of the design and development. Whether it’s rethinking room layouts, planning an extension, converting a property, or designing a bespoke new home, we’re here to help you make the most of your space. We believe the process should be simple, clear, and exciting, creating a journey that brings ideas to life and works for everyone involved.


Over the past twenty years, Ben has worked alongside growing families, ambitious property developers, and large house builders, helping turn ideas into fully approved, beautifully delivered homes. From initial inspiration to final sign-off, Ben and the team provide constructive guidance and practical support every step of the way.

We tailor our services to suit each project, with no hidden costs and a clear, collaborative approach.

Early Help and Advice – Clear guidance from the start avoiding common pitfalls and ensuring smooth project management.
Feasibility Sketches and Concept Design – Exploring what’s possible with creative, practical layouts that reflect your goals.
Full Planning Applications and Approvals – We handle the paperwork and liaise with planning authorities to keep things moving.
Building Regulations and Construction Drawings – Detailed, compliant documentation to support builders and contractors on site.
Marketing Visuals and 3D Model Rendering – Bring your project to life, ideal for visualising ideas or strengthening complex planning submissions.

Whether you’re extending, converting, or starting from scratch, we’re here to make the process smooth, exciting, and built around your goals.

Thanks to consistent positive feedback, we continue to deliver the personalised, professional service our clients deserve, with clarity, creativity, and care.

750+

Projects and counting.

96%

Planning success rate.*

600+

Single or two storey household extensions.

143+

Designed houses and flats.

115+

Planning applications for bedsits and HMOs.

100%

Paper free.

View examples of our projects.

We create inviting, functional, and affordable home design and architectural solutions, whether you’re expanding as a growing family or starting fresh with a bespoke new build. Our approach is practical, creative, and tailored to help you make the most of your space.


City Centre, Carlisle

Planning application and listed building consent for the conversion of a historic furniture showroom and mill into a vibrant mixed-use development. The scheme includes: 92 one-bedroom student apartments, restaurant space, games room and on-site gym.

City Centre, Carlisle

Full conversion of a three-bedroom dwelling into a nine-bedroom House in Multiple Occupation (HMO), complete with a loft conversion and dormer window addition.
The scheme includes: Nine en-suite bedrooms for privacy and comfort, Large open-plan shared kitchen designed for sociable living and a Private garden space for outdoor relaxation and amenity.

City Centre, Carlisle

Planning permission and listed building consent for the full renovation of a three-storey Grade II listed property. The approved scheme includes: Five double bedrooms, three bathrooms and a private gym. The project involved sensitive restoration and internal reconfiguration, balancing heritage preservation with modern living standards.

Denton, Carlisle

Successfully obtained planning permission and listed building consent for internal alterations to a flat within a beautifully converted historic mill. The project involved sensitive design adjustments that respected the building’s character while improving functionality and comfort for modern living.

City Centre, Carlisle

Conversion of a former bed and breakfast into a nine-bedroom House in Multiple Occupation (HMO), designed to offer comfortable, affordable shared accommodation.
The scheme included, Nine bedrooms with shared bathroom facilities, open-plan communal kitchen for sociable living and a rear garden providing outdoor amenity space.

City Centre, Carlisle

Full conversion of a three-bedroom dwelling into a nine-bedroom House in Multiple Occupation (HMO), complete with a loft conversion and dormer window addition.
The scheme includes: Nine en-suite bedrooms for privacy and comfort, Large open-plan shared kitchen designed for sociable living and a Private garden space for outdoor relaxation and amenity.

City Centre, Carlisle

Planning permission and listed building consent for the full renovation of a three-storey Grade II listed property. The approved scheme includes: Five double bedrooms, three bathrooms and a private gym. The project involved sensitive restoration and internal reconfiguration, balancing heritage preservation with modern living standards.

Denton, Carlisle

Successfully obtained planning permission and listed building consent for internal alterations to a flat within a beautifully converted historic mill. The project involved sensitive design adjustments that respected the building’s character while improving functionality and comfort for modern living.

Find the Perfect Fit for Your Budget

Choose from our range of flexible pricing options that cater to your specific needs.

from

£200

Garage, porch, Outbuilding, annex.

Most common examples include new garage, outbuildings, annex, porch extension, etc.

Free consultation and planning advice.
Free measured survey (worth £300).*
Illustrate feasibility design and discuss proposals.
Optional – Written pre-application advice to the council.
Submit planning application or permitted development on your behalf. (planning fees seperate)
Optional – Drawings to assist further design services such as Building Regulations and Construction to enable accurate quotes from builders.

from

£400

single storey household extension

Most common examples include single storey rear, side or front extensions to existing home owners.

Free consultation and planning advice.
Free measured building survey of existing property (worth £300).*
Illustrate feasibility design and discuss proposals.
Optional – Written pre-application advice to the council.
Submit planning application or permitted development on your behalf. (planning fees seperate)
Optional – Drawings to assist further design services such as Building Regulations and Construction to enable accurate quotes from builders.

from

£450

TWO storey household extension.

Most common examples include single storey rear, side or front extensions to existing home owners.

Free consultation and planning advice.
Free measured survey (worth £300).*
Illustrate feasibility design and discuss proposals.
Optional – Written pre-application advice to the council.
Submit planning application or permitted development on your behalf. (planning fees seperate)
Optional – Drawings to assist further design services such as Building Regulations and Construction to enable accurate quotes from builders.

please

Call

New Build Home or LARGER Development.

New house or housing development consisting of two or more dwelling houses.

Free consultation and planning advice.
Topographic Survey or OS Map.
Illustrate feasibility design and discuss proposals.
Optional – Written pre-application advice to the council.
Submit planning application or permitted development on your behalf. (planning fees seperate)
Optional – Drawings to assist further design services such as Building Regulations and Construction to enable accurate quotes from builders.
Optional – Colour Street Scene Elevation, 3D model Rendering for supporting Planning Application.

View our testimonials.

See what our clients have been saying.

Located in Carlisle.

Offering Home Design and Architectural Services across Carlisle, Brampton, Penrith, Wigton, Cumbria and further afield. We provide full measured building surveys, feasibility sketches through to the full planning, building regulation and construction drawings to ensure you gain the most accurate price for the proposed works from builders. Prices starting from £400 for a single storey extension. We work flexibly to fit in around your schedule, so please contact us to arrange a time to discuss your proposals.

Feel free to get in touch.

Provide us a few details about your query and we’ll contact you to see how we can help.

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Not sure where to begin?
Call 07944486178
8am – 6pm Mon – Fri

Tell us about your project?
hello@benwill.co.uk

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7 Hartington Place
Carlisle
Cumbria
CA1 1HL

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Ben Williams
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Help and Advice
Before You Start
Areas We Cover
Frequently Asked Questions
Planning Advice
Objection to Planning Application
Working With Builders
Landlords And Investors

Home Design Services
Free Consultation
Prices
Projects
Testimonials

Architecturtal Services
Kitchen Extension
Bedroom Extension
Garage Conversion
Loft Conversion
New Garage
Annex and Garden Outbuildings
Porch Extension
Orangery Extension
Flats, Bedsits and HMO
Renovation and Remodelling
Single Storey Extension
Two Storey Extension
New Homes and Development
Change Of Use

Drawing Services
Measured Building Survey
Planning Application
Permitted Development
Building Regulations
Detail Construction
Colour Elevation
Colour Floor Plan
Colour Site Plan
Colour Street Scene Elevation
Ordnance Survey Map
Sketch Illustration

3D Modelling Render Services
Architectural Visualisation
Interior Visualisation
3D Floor Plan
3D Sketch Illustration
3D Massing Model
3D Product Design
Sun Shadow Study & Analysis
360 Panorama VR
3D Animation Fly Through
3D Photomontage

(1) Free measured building survey applies if application is in preparation, costs apply otherwise. (2) Depending on proposal will a planning application or permitted development application be required to the council. (3) Estimated timescales based on current projects at present. (4) Depending on type of project, a topographic survey (by third party) or OS Map will be required as part of the application. (5) Free 3D sketch illustration if full payment is recieved for any previous services carried out. (6) Additional fees apply. (7) Additional fees apply for further design services. (*) Services for a single storey extension start from £300 depend on size of property and no more than 2 bedrooms.

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