  Both the ATLAS and CMS collaborations have reported a Standard Model
Higgs-like excess at around $m_h = 125$ GeV. If an SM-like Higgs particle is
discovered in this particular mass range, an important additional test of the
SM electroweak symmetry breaking sector is the measurement of the Higgs
self-interactions. We investigate the prospects of measuring the Higgs
self-coupling for $m_h=125 \gev$ in the dominant SM decay channels in boosted
and unboosted kinematical regimes. We further enhance sensitivity by
considering dihiggs systems recoiling against a hard jet. This configuration
exhibits a large sensitivity to the Higgs self-coupling which can be accessed
in subjet-based analyses. Combining our analyses allows constraints to be set
on the Higgs self-coupling at the LHC.
