Retaining Wall Replacement in Lower Hutt
Top Retaining Walls Lower Hutt replaces retaining walls that have reached the end. We take the old wall out, deal with the bank while it is exposed, install proper drainage, and build back in whatever type genuinely suits the height, the ground and what sits above it. Removal and disposal is part of the quote rather than a line you discover later.
- Old wall removed and disposed of
- Rebuilt in the type that actually suits the site
- Drainage installed as part of the job, not extra
- Repair priced alongside so you can compare
Get your free quote
Four quick questions. Most quotes come back within a couple of days.
The reason people end up replacing a wall twice is that the second one gets built exactly like the first. Same post spacing, same treatment level, same missing drainage, same result in eight years. A replacement is the one chance you get to fix the underlying problem while the ground is open, and it costs very little extra to do it then.
What retaining wall replacement actually involves on site
Making the bank safe first
Once the old wall is out, the ground behind it has nothing holding it. On anything more than a low garden wall that means battering the face back, benching it, or working in sections so the whole run is never open at once. On a steep site it can mean temporary shoring. This is the part cheap quotes underestimate.
Dealing with what you find
Old walls hide things. Service trenches running behind them, tree roots grown through the drainage, fill tipped in decades ago and never compacted, and occasionally a second buried wall. We allow for investigation rather than pricing a perfect world.
Building back better than like for like
A replacement does not have to repeat the original. If the old timber wall was always marginal for the height, this is when it becomes a block wall. If the ground is permanently wet, this is when it becomes gabion.
The consent trap on retaining wall replacement in Lower Hutt
People assume replacing a wall is like for like work and therefore exempt. Sometimes it is. Often it is not, and the reason catches people out.
The Schedule 1 exemption depends on the wall retaining no more than 1.5 metres of ground and carrying no surcharge. If the original wall went in before that mattered, or before the driveway above it existed, the replacement gets assessed on today's conditions rather than the 1970s ones. Terraced walls are also assessed as one combined structure, so two 1.2 metre walls close together are not two exempt walls.
We work that out before quoting, because finding it out afterwards is the expensive way.
Retaining wall replacement cost against repairing what you have
Replacement is priced like new work at $400 to $3,500 per square metre of wall face depending on type, with removal and disposal on top. Sectional repair runs roughly $105 to $365 per lineal metre.
Our quotes show both where both are real options. On a wall with sound posts and a drainage problem, repair usually wins on cost by a wide margin. On a wall with rotten posts along the whole run, repair is money spent twice and we will tell you that.
Retaining Wall Replacement at a glance
- Included
- Removal, disposal, bank support, drainage, backfill and compaction
- Rebuild options
- Timber, block, poured concrete, gabion, concrete sleeper
- Cost
- $400 to $3,500 per square metre plus removal
- Compared with repair
- About $105 to $365 per lineal metre for sectional repair
- Consent
- Assessed on today's conditions, not the original wall's
- Terraced walls
- Two or more close together assessed as one structure
- Staging
- Worked in sections so the whole bank is never open at once
Retaining Wall Replacement in Lower Hutt: common questions
Is replacing a wall exempt because it is like for like?
Not automatically. The exemption is assessed on the retained height and surcharge as they are today, so a driveway added since the original wall went in changes the answer.
Do I have to replace the whole wall?
Not always. Where the failure is localised and the rest is sound, sectional repair is far cheaper. We price both.
What happens to my garden while the wall is out?
We work in sections and batter or bench the exposed face so the bank is supported at every stage. Expect disruption along the wall line and a bit either side.
Can I change the wall type?
Yes, and often you should. A replacement is the right moment to move from timber to block if the height or the load above always made timber marginal.
How do I know whether to repair or replace my retaining wall?
Probe several posts at ground line with a screwdriver. If most are solid and the failure is in one section, repair is the right call and it is far cheaper. If the probe goes in easily on post after post, the wall is at the end of its life and replacing individual posts just moves the failure along the run. We do that test at the free site visit and show you the result.
Can you replace a retaining wall without damaging my garden?
There will be disruption along the wall line and a metre or two either side, because the bank behind has to be battered or benched while it is open. We work in sections so the whole run is never exposed at once, which protects both the bank and the rest of the garden. Plants worth keeping can be lifted and heeled in beforehand if you tell us early.
What happens to the old wall?
Removal and disposal is in the quote. Treated timber cannot be burnt or reused for anything in contact with soil or vegetables, so it goes to a facility that will take it. Concrete and block are usually crushed and recycled, and clean rock from an old rock wall can often be reused in the new one, which takes real cost out.
Should the new wall be the same type?
Not necessarily, and often it should not be. A replacement is the one moment when the ground is open and the underlying problem can be fixed. If the old timber wall was always marginal for the height, this is when it becomes reinforced block. If the base sits permanently wet, this is when it becomes gabion.
Recent Lower Hutt jobs
Boundary wall between us and the neighbour on a new build. Sorted the levels, the consent question and the fence on top in one job. Turned up when they said and left the site clean every night.
Builder here. I use them on infill work because the paperwork comes back complete. PS1 up front, PS4 at the end, no chasing.
Wall failed after the big rain and took part of the bank with it. Made safe within two days and rebuilt a month later with real drainage behind it.
Terraced the back lawn into two levels. Fast, tidy, fair price, and the drainage was done properly.
Get a price for retaining wall replacement in Lower Hutt
Free site visit, a fixed written quote, and a straight answer on what the wall actually needs.
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Four questions and you are done.