Builders in Birmingham
Looking for a builder in Birmingham? The builders below are listed with their real Google rating where they have one. We list 89 in total, and the 40 below are the ones rated and detailed enough to choose between. Send a job request from any listing, saying what needs doing and when suits, and the business comes back to you with a price and a time. No payment is taken online.
Builders in Birmingham at a glance
The 40 builders shown in Birmingham are based across 23 postcode districts (B26, B7, B11, B14, B17, B31, B30, B21 and more), so there is usually one close by whichever side of Birmingham you are on.
40 of them carry Google reviews, 5,972 between them, averaging 4.8 out of 5. Worth reading before you pick on price alone, because the cheapest quote is a false economy if the work needs doing twice.
The highest rated is Cofton Drainage and Jetting Services Ltd at 5.0 from 57 reviews.
Of the 40 where we hold working hours, 35 work on a Saturday and 13 on a Sunday. Weekend slots go first, so asking a few days ahead usually gets you a better choice than ringing round on the day.
Good to know in Birmingham
- Water: Severn Trent supplies about 9 in 10 Birmingham postcodes and South Staffs Water most of the rest, including Sutton Coldfield. Hardness is from 35 mg/l (soft) to 223 mg/l (hard) depending on the supply zone.
- Drains and sewers: Severn Trent looks after the public sewers here, including most shared drains that serve more than one property. A blocked drain inside your own boundary is usually yours to clear.
- Gas: Cadent runs the gas network across the West Midlands. If you smell gas, call the free national gas emergency line on 0800 111 999 straight away, before you call a gas engineer.
- Planning and building regulations: Birmingham City Council handles planning applications and building control for Birmingham. Larger jobs such as extensions, new windows and rewiring need building regulations sign off, which your tradesperson can often self certify through a scheme such as Gas Safe, NICEIC, NAPIT or FENSA.
Water figures: Severn Trent and South Staffs Water supply zone data, 2025 to 2026, via TapWaterData (read 3 Nov 2026). Check your own postcode with your water company, as hardness varies by street.
What a builder does
Builders take on extensions, loft and garage conversions, knocking through walls, garden rooms, structural repairs and the general building work that other trades fit around. A good builder in Birmingham will talk about drawings, Building Regulations and a written schedule of payments before they talk about a start date.
Other trades in Birmingham
Builders by area in Birmingham
Builders in nearby areas
Before you choose, worth reading
Frequently asked questions
Do I need planning permission for an extension?
Many single storey extensions fall under permitted development, but there are limits on size, height and position, and the rules differ for flats, listed buildings and conservation areas. Building Regulations approval is needed regardless. Check with the council planning department, or ask the builder to show you the rules that apply.
How should I pay a builder?
In stages tied to work completed, never a large sum up front. A small deposit for materials is normal. Agree the stages in writing and keep a final payment back until snagging is done.
Does membership of the FMB or a similar body mean a builder is good?
The Federation of Master Builders and similar bodies vet their members, and membership is a reasonable sign, but it is not a guarantee. References from recent customers whose work you can see, and a written contract, matter more.
How do I get a quote from builders in Birmingham?
Pick a listing on this page and send a quote request saying what needs doing and when suits you. The business comes back to you with a price and a time. It is free to ask, and no payment is taken online.
Are the builders on this page vetted?
Not yet. Listings marked Claimed have been claimed by the business and are kept up to date by them; the rest come from public records such as Companies House and Google and are marked as not yet claimed. Every listing shows its real Google rating and review count where one exists. We do not check registers or insurance yet, so ask for a Gas Safe or NICEIC/NAPIT number and check it yourself.
What should I check before I hire a builder?
Ask for a written quote and what it includes, who will do the work, whether they are insured, and any registration the trade needs, such as Gas Safe for gas work or a Part P scheme for electrics. Never pay the full amount up front.
Is the water hard in Birmingham?
Severn Trent supplies about 9 in 10 Birmingham postcodes and South Staffs Water most of the rest, including Sutton Coldfield. Hardness is from 35 mg/l (soft) to 223 mg/l (hard) depending on the supply zone, from 2025 to 2026 supply zone data. It varies by street, so check your postcode with your water company.
Who do I call if I smell gas in Birmingham?
Call the national gas emergency number, 0800 111 999, free at any time. Cadent runs the gas network in the West Midlands and will send an engineer to make it safe. Then book a Gas Safe registered engineer for any repair.
Prices and availability are confirmed by each business. No payment is taken online, you pay the tradesperson directly.