Extensions & additions
Single- or two-storey extensions, side or rear additions, porches and other projects involving structural work and coordination with other trades.
Builder St Albans
Find a builder in St Albans
Planning an extension, renovation, structural alteration, conversion or substantial repair? Post the project once and suitable builders covering your St Albans postcode can get in touch. Compare relevant experience, scope, programme and price before deciding who feels right for the work.
- Post your building project once
- Compare up to 3 quotes
- No obligation to hire
Identity-verified partner profiles
Compare up to 3 local quotes
You choose who to hire
Looking for a builder near you in St Albans?
Use the project postcode and describe the property, proposed work and stage you are at. St Albans combines a highly historic city core with Victorian and Edwardian housing, established suburban neighbourhoods and continuing city-centre redevelopment. The current adopted district plan still includes saved policies from the St Albans District Local Plan Review adopted in November 1994, while a new St Albans Local Plan 2029 entered a fresh statutory plan-making timetable in June 2026.
Building projects large and small
What can a St Albans builder help with?
A general builder may take on anything from masonry repairs to a multi-trade renovation. Larger projects are easier to compare when every builder receives the same drawings, specification, structural information and statement of responsibilities.
Renovations & refurbishments
Whole-room or whole-house improvement projects involving strip-out, repair, reconfiguration, making good and coordination between several trades.
Structural alterations
New openings, wall alterations and structural supports where the work follows appropriate design, calculations and the required approval route.
Brickwork & masonry
New walls, repairs, repointing, steps, blockwork and other masonry where a general builder or brickwork specialist is appropriate.
Conversions & reconfiguration
Garage, loft-adjacent or internal reconfiguration projects that change how existing space is used, subject to design and permissions.
General building repairs
Local masonry, structural and building-fabric repairs, making good after other trades and work that goes beyond a typical handyman visit.
How much does a builder cost in St Albans?
Building costs vary widely by project size and specification. Current St Albans data gives useful local benchmarks:
~£10,119/jobcurrent St Albans general-building average
£5,428–£17,181typical St Albans general-building range
Indicative guidance checked August 2026. Checkatrade currently shows general building services in St Albans at about £10,119 on average, with a typical range around £5,428–£17,181. Extensions average about £35,702 and loft conversions about £37,195.
Comparable quotes start with a comparable brief
Give every builder the same project information
Standardise the information before comparing totals so inclusions such as scaffolding, waste, steelwork and specialist trades are clear.
- Share drawings, dimensions, structural information and specifications you already have.
- State which permissions or approvals have been obtained and who is expected to manage inspections or paperwork.
- Explain access for deliveries, skips, scaffolding and materials.
- Ask each builder to state exclusions, VAT where applicable, payment stages, programme and how variations will be agreed.
Across St Albans
Search for builders by St Albans postcode
The postcode helps narrow your request to tradespeople who regularly cover St Albans city centre, Fleetville, Marshalswick, Sopwell, Bernards Heath, St Stephens, Jersey Farm and Cottonmill.
St Albans city centreFleetvilleMarshalswickSopwellBernards HeathSt StephensJersey FarmCottonmill
Planning, regeneration and heritage are site-specific
The council's new Local Plan timetable took effect on 25 June 2026, with scoping consultation running from 3 August to 14 September 2026 and adoption targeted for April 2029. Until a replacement plan is adopted, the existing development-plan framework remains relevant. City-centre change also continues through projects such as Jubilee Square and the City Centre Opportunity Sites.
Clarify approvals before work starts. Planning permission, Building Regulations approval, structural calculations and party-wall matters are separate issues. Confirm which apply to the exact property and who is responsible for each before work begins.
How it works
Post the St Albans building project once. Then compare suitable builders.
Describe the project once, share the information you already have and let builders who cover the postcode decide whether the scope fits their team and programme.
Post the building project
Enter the St Albans postcode, describe the work, project stage, drawings or approvals you have and your preferred timing.
Hear from suitable local builders
Your requirements can be matched through our partner network, and up to 3 local tradespeople can contact you about the project.
Compare and choose
Compare relevant project experience, scope, exclusions, programme, communication and price before deciding who to hire.
Choose with confidence
What should you check before hiring a builder?
For substantial work, compare more than the total price. Look at relevant experience, the clarity of the written scope, how the project will be managed and what happens when design or site conditions change.
Comparable project experience
Ask for recent examples and references from work similar in scale and complexity. Extensions, structural alterations and full renovations demand different planning from small repairs.
Contract, insurance & payment stages
For larger work, agree the scope, insurance, programme, variation process and staged payments in writing. Avoid vague arrangements that make inclusions hard to judge.
Approvals and responsibilities
Clarify who is responsible for drawings, structural design, planning matters, Building Regulations, inspections and completion paperwork before work begins.
Useful answers
Builder St Albans FAQs
Practical answers before you post a building project in St Albans.
How do I find a builder near me in St Albans?
Enter the project postcode and describe the work, scale and current stage clearly. Your request can then be matched with suitable builders who cover that part of St Albans, allowing you to compare up to 3 responses.
How much does a builder cost in St Albans?
Current Checkatrade St Albans guidance shows general building services at about £10,119 on average, with a broad range around £5,428–£17,181.
How much does an extension cost in St Albans?
Checkatrade currently shows St Albans extensions at about £35,702 on average, with a broad range around £22,203–£57,936. Size, structure, specification and access can move the final price significantly.
Do I need planning permission for an extension in St Albans?
It depends on the size, design, property and permitted-development rights. Check the exact proposal with St Albans City and District Council and confirm any Building Regulations requirements separately before work starts.
What is the current Local Plan position in St Albans?
The council is preparing a new St Albans Local Plan 2029 under a timetable that took effect on 25 June 2026, with adoption targeted for April 2029. Until a replacement plan is adopted, the existing development-plan framework, including saved policies from the 1994 Local Plan Review, remains relevant.
Do I have to appoint a builder after posting?
No. Posting the project does not oblige you to hire anyone. Compare written scopes, programme, experience and price before deciding.
Need a builder in St Albans?
Post the building project once, let suitable local builders come to you and compare your options before deciding who to hire.
More local trades
Explore trades in St Albans
Browse every GetTradesmen trade page currently published for St Albans.