Extensions & additions
Single- or two-storey extensions, side or rear additions, porches and other projects involving structural work and coordination with other trades.
Builder Guildford
Planning an extension, renovation, structural alteration, conversion or substantial repair? Post the project once and suitable builders covering your Guildford postcode can get in touch. Compare relevant experience, scope, programme and price before deciding who feels right for the work.
Use the project postcode and describe the property, proposed work and stage you are at. Guildford combines a historic centre with Victorian suburbs, established inter-war and post-war neighbourhoods and continuing development around the urban area. The current Local Plan is made up principally of the Local Plan: Strategy and Sites 2015–2034, adopted in 2019, and the Local Plan: Development Management Policies, adopted on 22 March 2023.
Building projects large and small
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.
Single- or two-storey extensions, side or rear additions, porches and other projects involving structural work and coordination with other trades.
Whole-room or whole-house improvement projects involving strip-out, repair, reconfiguration, making good and coordination between several trades.
New openings, wall alterations and structural supports where the work follows appropriate design, calculations and the required approval route.
New walls, repairs, repointing, steps, blockwork and other masonry where a general builder or brickwork specialist is appropriate.
Garage, loft-adjacent or internal reconfiguration projects that change how existing space is used, subject to design and permissions.
Local masonry, structural and building-fabric repairs, making good after other trades and work that goes beyond a typical handyman visit.
Building costs vary widely by project size and specification. Current Guildford data gives useful local benchmarks:
Indicative guidance checked August 2026. Checkatrade currently shows general building services in Guildford at about £9,413 on average, with a typical range around £4,675–£16,635. Extensions average about £36,363 and loft conversions about £37,346.
Comparable quotes start with a comparable brief
Standardise the information before comparing totals so inclusions such as scaffolding, waste, steelwork and specialist trades are clear.
Across Guildford
The postcode helps narrow your request to tradespeople who regularly cover Guildford town centre, Bellfields, Burpham, Merrow, Onslow Village, Stoughton, Park Barn and Stoke.
Guildford Borough Council formally commenced preparation of a new Local Plan on 5 June 2026. The first formal scoping consultation is scheduled to run from 2 September to 14 October 2026. Until a replacement plan is adopted, the 2019 Strategy and Sites plan and 2023 Development Management Policies remain the main borough-wide Local Plan documents.
How it works
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.
Enter the Guildford postcode, describe the work, project stage, drawings or approvals you have and your preferred timing.
Your requirements can be matched through our partner network, and up to 3 local tradespeople can contact you about the project.
Compare relevant project experience, scope, exclusions, programme, communication and price before deciding who to hire.
Choose with confidence
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.
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.
For larger work, agree the scope, insurance, programme, variation process and staged payments in writing. Avoid vague arrangements that make inclusions hard to judge.
Clarify who is responsible for drawings, structural design, planning matters, Building Regulations, inspections and completion paperwork before work begins.
Useful answers
Practical answers before you post a building project in Guildford.
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 Guildford, allowing you to compare up to 3 responses.
Current Checkatrade Guildford guidance shows general building services at about £9,413 on average, with a typical range around £4,675–£16,635.
Checkatrade currently shows Guildford extensions at about £36,363 on average, with a typical range around £21,034–£60,872. Size, structure, specification and access can move the final price significantly.
It depends on the size, design, property and permitted-development rights. Check the exact proposal with Guildford Borough Council and confirm any Building Regulations requirements separately before work starts.
Guildford's current Local Plan comprises the Strategy and Sites 2015–2034 plan adopted in 2019 and Development Management Policies adopted in 2023. A new Local Plan preparation process formally commenced in June 2026, but the existing adopted documents remain in force while that work progresses.
No. Posting the project does not oblige you to hire anyone. Compare written scopes, programme, experience and price before deciding.
Post the building project once, let suitable local builders come to you and compare your options before deciding who to hire.
More local trades
Browse every GetTradesmen trade page currently published for Guildford.