Home extensions
Concept, planning and technical design for rear, side or multi-storey extensions to existing homes.
Architects St Helens
Find architects in St Helens
Planning an extension, conversion, remodelling project or new design in St Helens? Describe the property, goals and planning constraints once, then compare architects who cover your area.
Genuine verified customer reviews
Up to 3 local responses
You choose who to hire
Looking for an architect near you in St Helens?
Enter the postcode, property type and intended work. Include existing drawings or photos, whether the site is in a conservation area and any previous planning history so suitable St Helens architects can assess the likely design and approval route.
Common architect services
What can architects in St Helens help with?
Choose a professional whose experience matches the scale and practical requirements of your job.
Renovations & remodelling
Reworking internal layouts, circulation and spaces while coordinating structural and building-services requirements.
Planning applications
Drawings and design information for projects that require planning permission or specific local assessment.
Building Regulations design
Technical information and coordination needed to demonstrate compliance with relevant Building Regulations.
Listed & heritage buildings
Design work where listed-building consent, conservation context and historic fabric need special attention.
New-build design
Concept through technical design for new homes and other buildings where site, planning and construction constraints are considered together.
How much does an architect cost?
Fees depend on project value, complexity and which RIBA-style stages or services are included. Current 2026 UK guidance gives these broad examples:
£3,000–£5,000Extension planning drawings
£2,000–£7,500+Renovation projects
£5,000–£8,000Building regs & tender drawings
£5,000–£12,000Full house-extension fee guide
Indicative UK guidance checked August 2026 from MyJobQuote. St Helens architect fees vary with project value, survey information, planning complexity, heritage, structural coordination and how far the architect remains involved after approval.
Compare like for like
Compare the same design stages
One fee may cover planning drawings only while another includes technical design, tendering and site support. Compare scope before comparing price.
- State the project budget and what you want to achieve, not only the room dimensions.
- Ask which design stages, applications and revisions are included.
- Clarify structural engineer, surveyor and specialist-consultant costs separately.
- For heritage property, mention listing or conservation-area status from the start.
Cost sources: MyJobQuote 2026 architect cost guide
St Helens heritage and planning
Conservation areas and Article 4 directions can remove normal permitted-development freedoms
St Helens has designated conservation areas and several Article 4 directions, including controls affecting Rainford, Rainhill and Vulcan Village. That can make the exact address important before an architect assumes a householder alteration is permitted development.
The council maps conservation areas and identifies Article 4 directions
St Helens Council's current data-set page provides conservation-area mapping and links to older Article 4 directions for locations including Rainhill, Rainford, Vulcan Village, High Street Newton-le-Willows and Willow Park, with newer directions available through Planning Public Access.
Source: St Helens Borough Council — local land-charge data sets
Planning permission and Building Regulations are separate checks
The council explains that planning controls land use, appearance, access and environmental effects, while Building Regulations set safety and construction standards. A project can need both, so an architect's fee should state which drawings, applications and approvals are included.
Source: St Helens Borough Council — guide to planning and building control
Local to St Helens
Architects covering St Helens
Architects may cover St Helens by postcode, project type and planning complexity. Example areas include:
St HelensEcclestonRainfordRainhillHaydockSuttonParrThatto Heath
Start with the site's actual planning constraints
A rear extension in Haydock, remodelling near central St Helens and external alterations in Rainford or Rainhill can follow different planning routes. Give the architect the full address so conservation and Article 4 controls can be checked early.
Do not assume permitted development until the address has been checked. Ask the architect to identify planning, Building Regulations, structural-engineering and any heritage inputs separately so the quote is clear about what is and is not included.
How it works
Describe the project once, then compare St Helens architects
Budget, site, design ambition and required stages help architects decide whether the project fits their practice.
Set out the project brief
Add the postcode, property type, intended changes, budget and any known planning or heritage constraints.
Hear from suitable architects
Up to three interested St Helens architects can respond.
Compare service stages
Check relevant experience and compare exactly which surveys, drawings, applications and construction-stage services are included.
Before you hire
What should you check before hiring an architect?
Relevant project experience and a clearly defined service are more useful than comparing headline percentage fees alone.
Compare similar project experience
Look for work with a similar property type, planning context, budget and technical complexity.
Define the service stages
Agree whether the appointment stops at planning or continues through technical design, tender and construction support.
Clarify other consultants
Ask who appoints structural, measured-survey, party-wall or specialist consultants and whether their fees are separate.
Questions
Architects in St Helens: common questions
Useful answers before you post the job.
How much does an architect cost in St Helens?
Fees depend on project size, complexity, survey work, planning risk, structural input and how far the architect's service continues through construction.
Does St Helens have conservation areas?
Yes. The council maps designated conservation areas across the borough and publishes associated heritage information.
What does an Article 4 direction mean?
It removes specified permitted-development rights from affected properties, so work that might be permitted elsewhere can require planning permission.
Does planning permission cover Building Regulations?
No. St Helens Council explicitly treats them as separate approval systems and a project can require both.
Do I have to hire an architect who responds?
No. Up to three interested local professionals can respond and there is no obligation to hire.
Ready to compare architects in St Helens?
Describe the property and project once, then compare interested St Helens architects and their quotes.
More local specialists
Explore services in St Helens
Browse Local Trades service pages available for St Helens.