Hertford · Hertfordshire
Wall tie replacement in Hertford
For landlords with older housing stock in Hertford, wall ties are worth checking before the cracks appear. A short survey on each elevation gives you a clear record and a priced plan if replacement is needed.
Guide price from£1,900per house inc VAT
- Postcodes
- SG13, SG14
- Population
- about 26,000
- Area
- Hertfordshire
- Pricing region
- East of England
What should you know about the ground under Hertford?
Hertford, Hertfordshire: about 26,000 residents across postcode districts SG13, SG14. If you are just outside Hertford, we also cover Ware (2 miles), Hoddesdon (4 miles) and Welwyn Garden City (6 miles).
Shrinkable clay is widespread in Hertfordshire. Ground movement here is more often linked to soils, drains and trees than to mining. Across Hertfordshire, most homes are garden-city houses in Letchworth and Welwyn, 1930s semis, Victorian terraces and post-war new-town estates.
From first photo to finished repair
Tie survey
A metal detector locates the existing ties and shows their pattern. Small holes are then drilled at sample points and a borescope passed into the cavity to see the tie condition, type and embedment. The holes are made good afterwards.
Report and quote
You receive a written summary of what the survey found on each elevation, which walls need new ties, whether old ties should be isolated or removed, and a no-obligation written quote with scaffold shown separately.
Install the new ties
New stainless ties are drilled and fixed to the specified grid, with closer spacing around windows, doors and the roofline. Sample ties can be pull-tested to confirm they are holding in your particular brick and block.
Symptoms that point to wall tie replacement
- Cracked render with a regular horizontal pattern
- A house built before the 1980s on an exposed or coastal site
- Horizontal cracks along mortar joints, repeating every few brick courses
Guide prices for wall tie replacement in Hertford
The ranges below reflect typical East of England costs for wall tie replacement, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Mid-terrace houseest. | £1,900 – £3,700 | per house |
| Semi-detached house | £2,600 – £5,250 | per house |
| Detached houseest. | £3,700 – £7,350 | per house |
| Scaffolding where neededest. | £630 – £1,900 | per elevation |
Methods for wall tie replacement
Remedial tie installation
New stainless ties are drilled through the outer leaf into the inner leaf, then fixed by mechanical expansion or resin, depending on the masonry. They are placed to a set grid across each elevation, with extra ties around openings and at the edges. Holes are made good in matching mortar.
Best for: Walls where the original ties have failed or are missing
Partial rebuild of the outer leaf
If a section of the outer leaf has bulged too far to be tied back, it is carefully taken down and rebuilt with new ties built in as the work goes up. This is uncommon, and is usually limited to a gable top, a parapet or a panel under a window.
Best for: Outer leaf too distorted to tie back safely
Rules for wall tie replacement in England
Like-for-like repairs such as crack stitching and repointing do not usually need building control approval in England, but anything that changes or strengthens the structure, such as underpinning or rebuilding a wall, does. If the work touches a party wall, the Party Wall etc. Act 1996 may apply.
Frequently asked questions
How much should I budget for wall tie replacement in Hertford?
Guide prices for wall tie replacement in Hertford start from about £1,900 per house, including VAT, on East of England rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Can you survey a property in Hertford?
Yes, Hertford is covered, along with postcode districts SG13, SG14. We also cover nearby Ware and Hoddesdon.
Why do houses in Hertfordshire crack?
South Hertfordshire around Watford, Borehamwood and Potters Bar is London Clay, while the north and west are chalk with clay-with-flints and the east has boulder clay. The clay areas are prone to seasonal subsidence near trees. Only an investigation can say why a particular building has moved.
Can wall ties be replaced on a rendered house?
Yes, new ties can be fitted through render, with each drill hole made good afterwards. The repairs can show on painted render, so redecoration of the affected elevation is often worth including. Render can also hide the cracking pattern, so a survey matters more.
Do the old wall ties have to be removed?
Not always, because thin wire ties that cannot swell are usually left in place once new ties are fitted. Thicker ties that are still expanding and cracking the wall are isolated or removed so they stop causing damage. The survey decides which applies.
Related work in Hertford
- Brick arch repairs
- Boundary and garden wall repairs
- Extension pulling away repairs
- Structural crack repairs
- Structural surveys and crack monitoring
Wall tie replacement near Hertford
If your Hertford home has a bulging outer wall, send photos from a few angles and we will help you decide what needs checking first.