Rated builders
6
Typical rate
£35–£55/hr
Call-out from
£80
Every builder we found in DA12, with Google's own ratings — collected by Google, not by us. The bar beside each name is their review count on one fixed scale, so the list can be read at a glance and a short list is a short district, not a hidden one.
Most trusted first
Review volume
Contact
Most trusted first
extension builder · Gravesend · in DA12
A landline rather than a mobile.
15reviews
★ 5.0 average on Google
15reviews
★ 5.0 average on Google
extension builder · Gravesend · in DA12
9reviews
★ 4.9 average on Google
extension builder · Gravesend · in DA12
7reviews
★ 4.4 average on Google
extension builder · Gravesend · in DA12
A landline rather than a mobile.
New listing · 3 reviews
New listing · 1 review
Based in neighbouring districts, covering DA12 — each card shows where they're actually based.
extension builder · Gravesend · DA13 9AT · Website
★ 5.0 · 3 reviews on Google
extension builder · Gravesend · DA11 7EJ · Website
★ 5.0 · 3 reviews on Google
extension builder · Gravesend · DA13 9JQ · Website
★ 4.8 · 6 reviews on Google
extension builder · Gravesend · DA11 8BE · Website
✦ Local pricing insight
Builder in DA12 typically charge £35–£55/hr
A general guide to UK rates for this trade — not a quote from any business on this page, and not based on jobs booked through Domifyr. Always get a written quote before work starts.
One fixed scale across every page on Domifyr: full width is 250 reviews. Half of all UK trades hold exactly 5.0, so the average tells you almost nothing — the volume behind it tells you most of what there is.
There is no official register for builders in the UK — anyone may use the title. Check the company at Companies House and ask to see their insurance before work starts. We have not done either.
✦ Builder cost calculator
Based on builder rates in DA12, Gravesend.
The calculator gives you a range. For a real number, send the job to local builders serving DA12 — free, and they reply to you directly.
Send a quote requestDomifyr lists 6 builders serving DA12and the surrounding postcodes, each shown with its genuine Google rating and review count. We don't check insurance or trade certifications ourselves, so ask to see them before work starts — as you would with any tradesperson.
Typical hourly rates for builders in DA12 range from £35 to £55, with a callout fee around £80. Dartford sits between London and Kent with rates reflecting proximity to M25; typical projects include materials, labour runs 40-50% of total cost. Fixed-price quotes are available for most standard work — request one through Domifyr for free.
| Job | Typical range |
|---|---|
| House extensions | £45,000–£85,000 |
| Loft conversions | £35,000–£65,000 |
| Garage conversions | £18,000–£35,000 |
| Structural alterations | £8,000–£25,000 |
| Bricklaying | £280–£450 |
| Groundwork and foundations | £12,000–£30,000 |
| Rendering | £45–£75 |
| New builds | £1,800–£2,400 |
Indicative ranges from market data — actual quotes vary by scope, access, materials, and timing. Request quotes through Domifyr for accurate figures.
Typical builders in DA12 charge £35–£55 per hour, with a callout fee around £80. Emergency callouts are typically 40% higher. Dartford sits between London and Kent with rates reflecting proximity to M25; typical projects include materials, labour runs 40-50% of total cost.
Most builders in DA12 can quote within 24 hours for standard work. For emergencies (leaks, lockouts, no heating), expect a response in 1–3 hours.
Every listing comes from a real Google Places entry, shown with its genuine Google rating and review count — we don't invent ratings. We can't guarantee a business is still trading, and we don't check insurance or certifications, so always confirm both before work starts, as you would with any tradesperson.
About this guide
Compiled from held data
This guide is assembled by Domifyr from the data we hold: Google ratings and review counts (collected by Google, not by us), UK statutory register requirements, and typical price ranges for the area. No individual author is credited because no individual wrote it — and we would rather tell you that than invent someone.